Flora of the Houtman Abrolhos
Encyclopedia
This is a list of the terrestrial
Terrestrial plant
A terrestrial plant is one that grows on land. Other types of plants are aquatic , epiphytic , lithophytes and aerial ....

 flora of the Houtman Abrolhos. Only vascular plants are listed — there have been some collections of moss
Moss
Mosses are small, soft plants that are typically 1–10 cm tall, though some species are much larger. They commonly grow close together in clumps or mats in damp or shady locations. They do not have flowers or seeds, and their simple leaves cover the thin wiry stems...

es, liverwort
Marchantiophyta
The Marchantiophyta are a division of bryophyte plants commonly referred to as hepatics or liverworts. Like other bryophytes, they have a gametophyte-dominant life cycle, in which cells of the plant carry only a single set of genetic information....

s and lichen
Lichen
Lichens are composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner , usually either a green alga or cyanobacterium...

s from the Houtman Abrolhos
Houtman Abrolhos
The Houtman Abrolhos is a chain of 122 islands, and associated coral reefs, in the Indian Ocean off the west coast of Australia. Nominally located at , it lies about eighty kilometres west of Geraldton, Western Australia...

, but no information has been published on these non-vascular groups.

The distribution of each species within each island group is provided. A list of islands is provided for species that occur on fewer than ten islands in a group; for species that occur on ten or more islands in a group, an island count is provided. Islands without a formally gazetted
Gazetteer
A gazetteer is a geographical dictionary or directory, an important reference for information about places and place names , used in conjunction with a map or a full atlas. It typically contains information concerning the geographical makeup of a country, region, or continent as well as the social...

 name are referred to by informal names, given in quotation mark
Quotation mark
Quotation marks or inverted commas are punctuation marks at the beginning and end of a quotation, direct speech, literal title or name. Quotation marks can also be used to indicate a different meaning of a word or phrase than the one typically associated with it and are often used to express irony...

s.

A grey background indicates a naturalised species.
Scientific name Common name Distribution Remarks Image
Wallabi Group
Wallabi Group
The Wallabi Group is the northern-most group of islands in the Houtman Abrolhos. Nominally located at , it is 58 kilometres from the Australian mainland, and about 9 kilometres from the Easter Group....


(45 islands)
Easter Group
Easter Group
The Easter Group is the central of three groups of islands that make up the Houtman Abrolhos island chain. Nominally located at , it is about 20 kilometres by 12 kilometres, and consists of a number of islands including Rat Island, Wooded Island, Morley Island, Suomi Island and Alexander Island....


(34 islands)
Pelsaert Group
Pelsaert Group
The Pelsaert Group is the southernmost of the three groups of islands that make up the Houtman Abrolhos island chain. Nominally located at , it consists of a number of islands, the largest of which are Gun Island, Middle Island, and Pelsaert Island. The group is named after a Dutch "opperkoopman"...


(41 islands)

Aizoaceae
Aizoaceae
The Family Aizoaceae or Ficoidaceae is a taxon of dicotyledonous flowering plants containing 135 genera and about 1900 species. They are commonly known as stone plants or carpet weeds. Species that resemble stones or pebbles are sometimes called mesembs...

Carpobrotus
Carpobrotus
Carpobrotus is a genus of ground-creeping plants, with succulent leaves and large daisy-like flowers. The name refers to the edible fruits. It comes from the Greek "karpos" and "brota" .There are about 25 species in this genus, having a disperse distribution worldwide...

sp.
Rat I. 
Carpobrotus virescens
Carpobrotus virescens
Carpobrotus virescens, commonly known as Coastal Pigface, is a prostrate coastal succulent shrub of the family Aizoaceae native to Western Australia.-Description:...

Coastal Pigface 13 islands 25 islands 23 islands
Disphyma crassifolium subsp. clavellatum
Disphyma crassifolium subsp. clavellatum
Disphyma crassifolium subsp. clavellatum is the subspecies of Disphyma crassifolium that occurs in Australia and New Zealand. It is sometimes known by the common name Rounded Noon-flower-Description:...

Round-leaved Pigface Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Leo I., Rat I. 
Mesembryanthemum crystallinum
Mesembryanthemum crystallinum
Mesembryanthemum crystallinum is a prostrate succulent plant that is native to Africa, Western Asia and Europe. The plant is covered with large, glistening bladder cells, reflected in its common names of Common Ice Plant, Crystalline Iceplant or Iceplant.-Uses:Its leaves are edible, as with some...

Iceplant 40 islands 18 islands 30 islands Naturalised
Sesuvium portulacastrum
Sesuvium portulacastrum
Sesuvium portulacastrum, commonly known as shoreline purslane or "sea purslane", is a sprawling perennial herb that grows in coastal areas throughout much of the world.-Description:...

Campbell I. 
Tetragonia decumbens
Tetragonia decumbens
Tetragonia decumbens, commonly known as Sea Spinach, is a coastal shrub native to southern Africa.-Description:It grows as a trailing undershrub with thick, pale, furry stems, and thick, oval leaves one to six centimetres line and five to thirty millimetres wide...

Sea Spinach Crake I., Keru I., White I., Wooded I.  Naturalised

Amaranthaceae
Amaranthaceae
The flowering plant family Amaranthaceae, the Amaranth family, contains about 176 genera and 2,400 species.- Description :Most of these species are herbs or subshrubs; very few are trees or climbers. Some species are succulent....

Ptilotus divaricatus Climbing Mulla Mulla East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Ptilotus eriotrichus East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Ptilotus gaudichaudii East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Serventy I. 
Ptilotus obovatus Cotton Bush East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Ptilotus villosiflorus West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Anthericaceae

Thysanotus patersonii
Thysanotus patersonii
Thysanotus patersonii is a twining perennial herb which is endemic to Australia.It is leafless and grows to between 0.15 and 0.5 metres in height and produces purple flowers between July and November in its native range....

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Apiaceae
Apiaceae
The Apiaceae , commonly known as carrot or parsley family, is a group of mostly aromatic plants with hollow stems. The family is large, with more than 3,700 species spread across 434 genera, it is the sixteenth largest family of flowering plants...

Apium annuum East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Campbell I., Serventy I. 
Apium prostratum
Apium prostratum
Apium prostratum, commonly known as sea celery, is a variable herb native to coastal Australia. The leaves are variable, with toothed leaflets, and a celery like aroma. The tiny white flowers occur in clusters.There are two varieties:...

Sea Celery Tattler I.  Middle I. 
Daucus glochidiatus
Daucus glochidiatus
Daucus glochidiatus, commonly known as Australian Carrot, Austral Carrot or Native Carrot, is a species of herb in the flowering plant family Apiaceae. It is native to Australia and New Zealand.-Description:...

Australian Carrot East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Campbell I., Keru I., White I.  Middle I. 
Hydrocotyle diantha East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Rat I.  Basile I., Middle I.
Petroselinum crispum Parsley Little Rat I., Rat I., Roma I.  Naturalised
Trachymene pilosa Native Parsnip East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Apocynaceae
Apocynaceae
The Apocynaceae or dogbane family is a family of flowering plants that includes trees, shrubs, herbs, and lianas.Many species are tall trees found in tropical rainforests, and most are from the tropics and subtropics, but some grow in tropical dry, xeric environments. There are also perennial herbs...

Alyxia buxifolia
Alyxia buxifolia
Alyxia buxifolia is a species of shrub in the Apocynaceae family.It can grow up to 2 metres in height, but is more often less than 50 cm high in exposed coastal areas. It has thick, elliptic to obovate leaves which are 1 to 4 cm long and 5 to 25 mm wide...

Dysentery Bush East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Seagull I. and West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Asclepiadaceae
Asclepiadaceae
According to APG II, the Asclepiadaceae is a former plant family now treated as a subfamily in the Apocynaceae...

Sarcostemma viminale subsp. australe "Eagle Point Islet", East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I. and West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Basile I., Middle I. 

Asphodelaceae
Asphodelaceae
Asphodeloideae is a subfamily of the monocot family Xanthorrhoeaceae in the order Asparagales. It has previously been treated as a separate family, Asphodelaceae. The subfamily name is derived from the generic name of the type genus, Asphodelus...

Bulbine semibarbata
Bulbine semibarbata
Bulbine semibarbata, commonly known as Leek Lily, Native Leek or Wild Onion, is a species of annual herb native to Australia.-Taxonomy:...

Leek Lily "Eagle Point Islet", East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Little Pigeon I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 and West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Rat I.  Middle I., Pelsaert I. 

Asteraceae
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...

Actinobole condensatum
Actinobole condensatum
Actinobole condensatum is a dwarf annual herb, endemic to Western Australia.It produces white, cream or yellow flowers between August and October in its native range. :...

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Actites megalocarpus Dune Thistle Little Pigeon I., Long I., Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I. 
Pelsaert I. 
Angianthus tomentosus Camel-grass East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Brachyscome ciliaris
Brachyscome ciliaris
Brachyscome ciliaris, commonly known as Variable Daisy, is a small bushy perennial herb with a prominent flower, which occurs throughout most of temperate Australia-Description:It grows as a bushy perennial herb up to 45 centimetre in height...

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Little Rat I. 
Brachyscome iberidifolia
Brachyscome iberidifolia
Brachyscome iberidifolia, the Swan River Daisy is an annual herb found in Western Australia. Occupying a wide range, the species spreads out as fields. The Bellis daisy form and colours were familiar to Europeans when discovered and they have since become a popular garden plant...

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Calocephalus aervoides
Calocephalus aervoides
Calocephalus aervoides is a herb in the family Asteraceae. It produces yellow flowers from September to October in its native range....

Woolly Beauty-heads East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

Rated "Priority Three - Poorly Known Taxa" in the Department of Environment and Conservation's Declared Rare and Priority Flora List.
Chthonocephalus tomentellus
Chthonocephalus tomentellus
Chthonocephalus tomentellus is an annual herb in the family Asteraceae. It is endemic to Western Australia, occurring in saline depressions...

West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Rated "Priority Two - Poorly Known Taxa" in the Department of Environment and Conservation's Declared Rare and Priority Flora List.
Conyza bonariensis
Conyza bonariensis
Conyza bonariensis is a species of Conyza, found throughout the tropics and subtropics as a weed; its precise native origin is unknown, but most likely Central America or South America...

Flaxleaf Fleabane Little Pigeon I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Bushby I., Little Rat I., Rat I., Roma I.  Naturalised
Conyza sumatrensis
Conyza sumatrensis
Conyza sumatrensis is an annual herb native to North America but naturalised worldwide.In certain countries the plant has started to exhibit resistance to herbicides....

Tall Fleabane Rat I.  Naturalised. Harvey et al. (2001) lists C. albida, but this is now a taxonomic synonym of C. sumatrensis.
Erigeron karvinskianus
Erigeron karvinskianus
Erigeron karvinskianus is a species of flowering plant in the daisy family known by the common name Latin American fleabane, though some know it as the Santa Barbara daisy....

Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Murray I. 
Naturalised
Euchiton sphaericus
Euchiton sphaericus
Euchiton sphaericus is a herb native to Australia.-Description:It grows as an erect annual herb from 4 to 25 centimetres high, with yellow, cream or brown flowers.-Taxonomy:...

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Rat I. 
Gnaphalium indutum Tiny Cudweed East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Leo I. 
Helichrysum luteoalbum
Helichrysum luteoalbum
Helichrysum luteoalbum, commonly known as Jersey Cudweed or Weedy Cudweed, is a cosmopolitan weed.-Description:It grows as an erect herb up to 70 centimetres high, branching from the base...

Jersey Cudweed East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Turnstone I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Little Rat I., Rat I.  Naturalised. Harvey et al. (2001) lists Pseudognaphalium luteoalbum, but this is now a nomenclatural synonym of Helichrysum luteoalbum.
Hypochaeris glabra
Hypochaeris glabra
Hypochaeris glabra is a species of flowering plant in the daisy family known by the common name smooth cat's ear. It is native to Eurasia and North Africa but it can be found on other continents where it is an introduced species and a widespread weed. This is an annual herb growing a small taproot,...

Smooth Catsear Basile I.  Naturalised
Lactuca saligna
Lactuca saligna
Lactuca saligna is a species of wild lettuce known by the common name willowleaf lettuce, and Least lettuce. It is native to Eurasia but it grows in many other places as an introduced species, including much of North America....

Wild Lettuce Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Naturalised
Olearia axillaris
Olearia axillaris
Olearia axillaris is a shrub of the Asteraceae family, found in coastal areas of Australia. Commonly known as the Coastal Daisybush, it was one of the first edible plants to be discovered by Europeans.-Description:...

Coastal Daisybush Eastern I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Long I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Turnstone I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Campbell I. 
Podotheca angustifolia
Podotheca angustifolia
Podotheca angustifolia, commonly known as Sticky Longheads, is a species of herb native to Australia.-Description:An annual herb with yellow flowers, P. angustifolia grows in a range of habits, from trailing along the ground to erect; when erect if can reach up to 30 centimetres in height, but...

Sticky Longheads North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Reichardia tingitana False Sowthistle Campbell I., Rat I.  Basile I., Middle I.  Naturalised
Senecio glossanthus
Senecio glossanthus
Senecio glossanthus is an annual herb native to Australia. In Western Australia it is commonly known as Slender Groundsel.-Description:...

Slender Groundsel East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Senecio pinnatifolius
Senecio pinnatifolius
Senecio pinnatifolius is a species of herb native to Australia. Common names include Coast Groundsel.-Taxonomy:The name Senecio pinnatifolius was first published by Achille Richard in 1834, but it was not immediately taken up. Instead, the species was long treated as the Australian component of...

23 islands 17 islands 16 islands Harvey et al. (2001) lists S. lautus but this name has been misapplied in Western Australia to S. pinnatifolius.
Sonchus oleraceus
Sonchus oleraceus
Sonchus oleraceus is a medicinal plant native to Asia and Europe, which is nutritious food for humans and most livestock.- Nutritive qualities :The common name Sow thistle refers to its...

Common Sowthistle 20 islands 19 islands 16 islands Naturalised. Harvey et al. (2001) lists both S. oleraceus and S. tenerrimus
Sonchus tenerrimus
Sonchus tenerrimus is a species of flowering plant in the aster family known by the common name slender sow thistle. It is native to Europe, but it is known practically worldwide as a common weed similar to several other species of sow thistle. This annual or perennial herb produces a slender,...

on four islands, and S. tenerrimus alone on another. However, the latter name is now considered a misapplication against the former in Western Australia, so here the entries for these names have been pooled.
Urospermum picroides
Urospermum picroides
Urospermum picroides is a species of flowering plant in the aster family known by the common name prickly goldenfleece. It is native to Eurasia and it is known as an introduced species in many other regions, including North and South America, Australia, and southern Africa. It grows as a common...

False Hawkbit 10 islands 10 islands Burnett Rock, Burton I., Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Post Office I., Uncle Margie I. 
Naturalised
Ursinia anthemoides Ursinia Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Leo I., Serventy I., White I. 
Burnett Rock, Burton I.  Naturalised.
Vittadinia cuneata var. cuneata Woolly Vittadinia Akerstrom I., Barge Rock, East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Marinula I., Seagull I., Turnstone I. 
Vittadinia
Vittadinia
Vittadinia is a genus of flowering plants in the daisy family, Asteraceae.Species include:*Vittadinia arida N.T.Burb.*Vittadinia australasica N.T.Burb. - Sticky New Holland Daisy*Vittadinia bicolor N.T.Burb....

sp.
East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Avicenniaceae

Avicennia marina
Avicennia marina
Avicennia marina, commonly known as grey mangrove or white mangrove, is a species of mangrove tree classified in the plant family Acanthaceae...

White Mangrove Akerstrom I., "East Mangrove I.", Marinula I., Oystercatcher I., Seagull I., Tattler I., Turnstone I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Campbell I., Keru I., Little Rat I., "Little Stokes I.", Morley I., Serventy I., Suomi I., Wooded I. 
14 islands

Boraginaceae
Boraginaceae
Boraginaceae, the Borage or Forget-me-not family, include a variety of shrubs, trees, and herbs, totaling about 2,000 species in 146 genera found worldwide.A number of familiar plants belong to this family....

Cynoglossum australe Australian Hound's-tongue East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Harvey et al. (2001) lists this species, but according to FloraBase
FloraBase
FloraBase is a public access web-based database of the flora of Western Australia. It provides authoritative scientific information on 12,978 taxa, including descriptions, maps, images, conservation status and nomenclatural details...

 it does not occur in Western Australia.
Echium plantagineum Paterson's Curse East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Naturalised; classed as a noxious weed.
Trichodesma zeylanicum
Trichodesma zeylanicum
Trichodesma zeylanicum, commonly known as Camel Bush or Cattle Bush, is a herb or shrub native to Australia.-Description:It grows as an erect herb or shrub up to two metres high, with a well-developed taproot. Flowers are blue, or rarely white.-Taxonomy:This species was first published as Borago...

Camel Bush North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 

Brassicaceae
Brassicaceae
Brassicaceae, a medium sized and economically important family of flowering plants , are informally known as the mustards, mustard flowers, the crucifers or the cabbage family....

Brassica rapa
Brassica rapa
Brassica rapa L. , commonly known as turnip, turnip rape, field mustard or turnip mustard is a plant widely cultivated as a leaf vegetable , a root vegetable , and an oilseed .In the 18th century the turnip and...

Beacon I.  Naturalised
Cakile maritima
Cakile maritima
Cakile maritima, the European searocket, is a common plant in the mustard family. It is widespread in Europe, especially on coastlines, and it can now be found in other areas of the world where it has been introduced. It is an inhabitant of the west and east coasts of North America, where it has...

Sea Rocket 10 islands 13 islands 12 islands Naturalised
Hornungia procumbens
Hornungia procumbens
Hornungia procumbens is a species of herb native to the temperate zone of the northern hemisphere. Common names include Oval Purse, Slenderweed and Prostrate Hutchinsia.-Description:It is an annual herb with white flowers...

Oval Purse 14 islands Bynoe I., Leo I., Morley I., Serventy I.  Burton I., Pelsaert I.  Naturalised. Harvey et al. (2001) lists Hornungia procumbens on 13 islands, and Hymenolobus procumbens on another, but the latter name is now considered a synonym of the former.
Lepidium lyratogynum Eastern I.  Bynoe I., Leo I., Little North I., White I. 
Lepidium pseudoruderale Beacon I., Dakin I., Dick I., Eastern I., Saville-Kent I., Seal I.  Burnett Rock, Burton I., Coronation I., Jackson I., "Little Jackson I.", Newman I., Pelsaert I., Post Office I., Square I. 
Lepidium puberulum
Lepidium puberulum
Lepidium puberulum is an annual herb in the Brassicaceae family, endemic to the west coast of Western Australia. The species has white or green flowers that appear from July to November in its native range.-References:...

Eastern I., "First Sister Islet" 10 islands Rated "Priority Four — Rare Taxa" in the Department of Environment and Conservation's system of Declared Rare and Priority Flora List.
Raphanus raphanistrum Wild radish Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Little Rat I., Rat I., Serventy I. 
Basile I., Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Murray I., Pelsaert I., Post Office I. 
Naturalised
Raphanus sativus Radish Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

 
Basile I., Burnett Rock  Naturalised
Sisymbrium irio London Rocket Suomi I.  Naturalised
Sisymbrium orientale
Sisymbrium orientale
Sisymbrium orientale is a species of flowering plant in the mustard family known by the common names Indian hedgemustard and eastern rocket. It is native to Europe, Asia, and North Africa, and it can be found throughout much of the temperate world as an introduced species and in some areas a common...

Indian Hedge Mustard Beacon I.  Little Rat I., Rat I.  Burnett Rock  Naturalised

Cactaceae

Opuntia stricta
Opuntia stricta
Opuntia stricta is a species of cactus from southern North America, Central America, the Caribbean, and northern South America. Common names include Erect Prickly Pear and Nopal Estricto ....

Common Prickly Pear Rat I.  Basile I.  Naturalised

Campanulaceae
Campanulaceae
The family Campanulaceae , of the order Asterales, contains about 2000 species in 70 genera of herbaceous plants, shrubs, and rarely small trees, often with milky non-toxic sap...

Wahlenbergia gracilis
Wahlenbergia gracilis
Wahlenbergia gracilis is an Asian wildflower from the Campanulaceae family. It also grows on western Pacific Ocean islands.- See also :* List of vascular plants of Norfolk Island* Sydney Turpentine-Ironbark Forest* Flora of the Houtman Abrolhos...

Rat I. 
Wahlenbergia multicaulis Rat I. 

Capparaceae
Capparaceae
Capparaceae , commonly known as the Caper family, is a family of plants in order Brassicales. As currently circumscribed, it contains 33 genera and about 700 species...

Capparis spinosa Coastal Caper "Eagle Point Islet", East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Little Pigeon I., Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Tattler I., Turnstone I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Caryophyllaceae
Caryophyllaceae
The Caryophyllaceae, commonly called the pink family or carnation family, is a family of flowering plants. It is included in the dicotyledon order Caryophyllales in the APG III system, alongside 33 other families, including Amaranthaceae, Cactaceae and Polygonaceae...

Cerastium glomeratum
Cerastium glomeratum
Cerastium glomeratum is a species of flowering plant in the pink family known by the common names sticky mouse-ear chickweed and clammy chickweed. It is probably native to Eurasia but it is known on most continents as an introduced species. It grows in many types of habitat. This is an annual herb...

Mouse Ear Chickweed Eight I., Three I.  Naturalised
Petrorhagia dubia
Petrorhagia dubia
Petrorhagia dubia is a species of flowering plant in the pink family known by the common name hairy pink. It is native to southern Europe and the Mediterranean Basin, but it is known on other continents, including Australia and North and South America, as an introduced species and sometimes a weed...

Velvet Pink Rat I.  Naturalised. Harvey et al. (2001) lists P. velutina, but this is now a taxonomic synonym of P. dubia.
Polycarpon tetraphyllum
Polycarpon tetraphyllum
Polycarpon tetraphyllum, commonly known as Four-leaved Allseed , is a plant of the family Caryophyllaceae . An annual herb growing to 15 cm in height, it is found on sandy soils, in coastal areas and on wasteland. Native to Europe, it is also naturalised in parts of North America, Australia and...

Fourleaf Allseed East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Little Pigeon I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Little Roma I.  Basile I., Jackson I.  Naturalised
Sagina apetala
Sagina apetala
Sagina apetala is a species of flowering plant in the pink family known by the common names annual pearlwort and dwarf pearlwort. It is native to Europe and it is known elsewhere as an introduced species, including parts of North America. It grows in many types of disturbed habitat, such as cracks...

Annual Pearlwort East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Naturalised
Silene gallica
Silene gallica
Silene gallica is a species of flowering plant in the pink family known by several common names, including common catchfly, small-flowered catchfly, and windmill pink. It is native to Eurasia and North Africa, but it can be found throughout much of the temperate world as a common roadside weed...

French Catchfly White I.  Naturalised
Silene nocturna Mediterranean Catchfly Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Bynoe I., Little Rat I., Morley I., Serventy I. 
Naturalised
Spergularia diandra Lesser Sand Spurry Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

 
Naturalised
Spergularia rubra
Spergularia rubra
Spergularia rubra, the red sand spurrey or red sandspurry, is a plant species in the pink family. It is native to Europe and Asia, and it is present on other continents, including North and South America and Australia, as an introduced species and in many areas a common weed. It grows in a wide...

Sand Spurry 12 islands Little Rat I., Roma I.  Pelsaert I., Three I.  Naturalised
Spergularia
Spergularia
Spergularia is a genus of the Caryophyllaceae family, containing plants known as sea-spurreys and sandspurrys. There are about 60 species.-Species:* Spergularia azorica - endemic to the archipelago of the Azores*Spergularia atrosperma...

sp. 5 Leeman
Rat I.  Harvey et al. (2001) lists S. nesophila, but this is an unpublished manuscript name, which is considered a nomenclatural synonym of the above.
Stellaria media Chickweed West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Naturalised

Celastraceae
Celastraceae
The Celastraceae , is a family of about 90-100 genera and 1,300 species of vines, shrubs and small trees, belonging to the order Celastrales...

Stackhousia
Stackhousia
Stackhousia is a genus of annual and perennial plants in the family Celastraceae that are native to Australia, New Zealand, Malesia and Micronesia...

sp.
West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Harvey et al. (2001) lists this under Stackhousiaceae
Stackhousiaceae
Stackhousiaceae R.Br. is an obsolete family of plants, now merged into the Celastraceae family. When accepted, it comprised the following genera:* Macgregoria* Stackhousia* Tripterococcus...

, but it is now generally treated under Celastraceae.
Stackhousia
Stackhousia
Stackhousia is a genus of annual and perennial plants in the family Celastraceae that are native to Australia, New Zealand, Malesia and Micronesia...

sp.
East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Harvey et al. (2001) lists this as Stackhousia viminea
Stackhousia viminea
Stackhousia viminea the Slender Stackhousia is a common small Australian plant. It grows to 70 cm tall. The habitat is heathland, pastures, eucalyptus woodland and forest, usually in moist areas. It features attractive yellowish/red flowers. The specific epithet viminea refers to the slender stems...

, but this name has been misapplied in Western Australia against three species: S. clementii, S. muricata and S. intermedia. Harvey et al. (2001) treats Stackhousia under Stackhousiaceae, but it is now generally treated under Celastraceae.
Tripterococcus brunonis East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Harvey et al. (2001) lists this under Stackhousiaceae, but it is now generally treated under Celastraceae.

Chenopodiaceae
Chenopodiaceae
Chenopodiaceae were a family of flowering plants, also called the Goosefoot Family. They are now included within family Amaranthaceae. The vast majority of Chenopods are weeds, and many are salt and drought tolerant. A few food crops also belong to the family: spinach, beets, chard, quinoa, and...

Atriplex amnicola
Atriplex amnicola
Atriplex amnicola, commonly known as river saltbush or swamp saltbush, is a species of shrub in the Amaranthaceae family. Endemic to Western Australia, it is native to the floodplains of the Murchison and Gascoyne Rivers....

Swamp Saltbush Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Murray I., Pelsaert I. 
Atriplex bunburyana
Atriplex bunburyana
Atriplex bunburyana, commonly known as Silver Saltbush, is a species of saltbush endemic to Western Australia.-Description:It grows as an erect shrub up to a metre high, with slender branches that are often straight and rigid...

Silver Saltbush Rat I. 
Atriplex cinerea
Atriplex cinerea
Atriplex cinerea is a species of plant in the Chenopodiaceae family. It occurs in sheltered coastal areas and around salt lakes in the Australian states of Western Australia, South Australia, Tasmania, Victoria and New South Wales....

Grey Saltbush 27 islands 21 islands 22 islands
Atriplex paludosa
Atriplex paludosa
Atriplex paludosa, commonly known as Marsh Saltbush, is a species of saltbush endemic to Australia.-Description:It grows as an erect shrub up to a metre high...

Marsh Saltbush Little Pigeon I., Long I., Mangrove I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pelican I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Tattler I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Atriplex paludosa subsp. baudinii
Atriplex paludosa subsp. baudinii
Atriplex paludosa subsp. baudinii is subspecies of Atriplex paludosa that is endemic to Western Australia.-Description:...

Rat I. 
Atriplex vesicaria subsp. variabilis
Atriplex vesicaria subsp. variabilis
Atriplex vesicaria subsp. variabilis is subspecies of Bladder Saltbush endemic to Australia.-Description:It grows as an erect shrub up to a metre high. Leaves are oval in shape, with entire margins, ten to 15 millimetres long, and 4 to 6 millimetres wide.-Taxonomy:The species was first published by...

Bladder Saltbush Seagull I. 
Atriplex
Atriplex
Atriplex is a plant genus of 100-200 species, known by the common names of saltbush and orache . The genus is quite variable and widely distributed. It includes many desert and seashore plants and halophytes, as well as plants of moist environments...

sp.
Saltbush 17 islands 10 islands 18 islands
Chenopodium album
Chenopodium album
Chenopodium album is a fast-growing weedy annual plant in the genus Chenopodium.Though cultivated in some regions, the plant is elsewhere considered a weed...

Fat Hen Rat I.  Naturalised
Chenopodium melanocarpum
Chenopodium melanocarpum
Chenopodium melanocarpum, commonly known as Black Crumbweed, is an annual herb that grows in arid and semi-arid regions of Australia.-Description:...

Black Crumbweed East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Chenopodium murale
Chenopodium murale
Chenopodium murale is a species of plant in the amaranth family known by the common names Nettle-leaved Goosefoot, Australian-spinach, salt-green, sowbane, Mauer-Gänsefuß , quenopódio...

Nettle-leaf Goosefoot Beacon I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pelican I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Joe Smith I., "Landscope I.", "Nitraria I.", Rat I., Wooded I. 
Burton I., Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, "Little Jackson I.", Pelsaert I., Square I., Uncle Margie I. 
Naturalised
Chenopodium nitrariaceum Nitre Goosefoot East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Dysphania plantaginella East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Enchylaena tomentosa
Enchylaena tomentosa
Enchylaena tomentosa, commonly known as Barrier Saltbush, is a species of small shrub endemic to Australia.-Description:It grows as a small shrub, prostrate or erect, up to a metre high. It has slender leaves up to two centimetres long, and fruits that may be green, yellow or red...

Barrier Saltbush 26 islands 11 islands 17 islands
Rhagodia baccata
Rhagodia baccata
Rhagodia baccata, commonly known as Berry Saltbush, is a species of shrub endemic to Western Australia.-Description:It is a spreading shrub up to two metres high, with elliptical leaves, and flowers that occur in a panicle. It bears red berries....

Berry Saltbush Akerstrom I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Tattler I., Turnstone I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Rhagodia latifolia
Rhagodia latifolia
Rhagodia latifolia is a species of shrub endemic to midwest Western Australia.-Description:It grows as a shrub from 40 centimetres to two metres high, leathery, elliptical leaves, and panicles of green flowers.-Taxonomy:...

Akerstrom I., "Eagle Point Islet", Little Pigeon I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Rhagodia preissii subsp. obovata Little Rat I., Rat I. 
Rhagodia
Rhagodia
Rhagodia is a genus of shrubs native to Australia. They are common in salt marsh and may be succulent, like other salt tolerant species its members are commonly known as saltbushes.Species include:...

sp.
Rat I. 
Salsola kali
Salsola kali
Kali soda is an annual plant that grows in arid soils and in sandy coastal soils. Its original range is Eurasian, but it has become naturalized, and even invasive, in North America, Australia, and elsewhere...

Prickly Saltwort Dick I., Eastern I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Long I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Seal I., Third Sister, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Bynoe I., Campbell I., Crake I., Leo I., Morley I., Rat I.  Basile I., Coronation I., Pelsaert I., Stick I.  Naturalised
Sarcocornia quinqueflora
Sarcocornia quinqueflora
Sarcocornia quinqueflora, commonly known as Beaded Samphire, Bead weed or Beaded Glasswort, is a species of succulent halophytic coastal shrub...

Beaded Samphire 17 islands 19 islands 15 islands
Suaeda australis
Suaeda australis
Suaeda australis ' is a species of plant in the family Amaranthaceae, native to Australia. It grows to between 0.1 and 0.9 metres in height, with a speading habit and branching occurring from the base. The leaves are up to 40mm in length and are succulent, linear and flattened. They are light...

Seablite 11 islands "Nitraria I.", Tapani I., Wooded I.  Newman I., Pelsaert I. 
Tecticornia arbuscula
Tecticornia arbuscula
Tecticornia arbuscula ' is a species of plant in the family Amaranthaceae, native to Australia. It grows to 2 metres in height, with a spreading habit. It has succulent swollen branchlets with small leaf lobes....

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Middle I., Murray I., Pelsaert I. 
Harvey et al. (2001) listed Sclerostegia arbuscula, but all Sclerostegia were transferred into Tecticornia
Tecticornia
Tecticornia is a genus of succulent, salt tolerant plant largely endemic to Australia. In 2007, the genus Halosarcia, along with three other Australian genera was incorporated intothe genus....

in 2007.
Tecticornia halocnemoides
Tecticornia halocnemoides
Tecticornia halocnemoides, commonly known as Shrubby Samphire or Grey Glasswort, is a species of succulent, salt tolerant plant endemic to Australia. It grows as a spreading or erect shrub up to fifty centimetres high...

Shrubby Samphire Akerstrom I., Alcatraz I., Barge Rock, East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Shag Rock
Shag Rock (Houtman Abrolhos)
-Geography:It is located at , about east of West Wallabi Island. Its nearest neighbour is Plover Island, about away. The island has an area of about , and a maximum elevation of . It is uninhabitated, and devoid of human infrastructure....

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
13 islands 25 islands Harvey et al. (2001) listed Halosarcia halocnemoides, but all Halosarcia were transferred into Tecticornia in 2007.
Tecticornia lepidosperma subsp. bidens Akerstrom I.  Little Rat I., Rat I.  Lagoon I.
Lagoon Island
Lagoon Island is the northernmost of the Leonie Islands, lying in the entrance to Ryder Bay on the southeast side of Adelaide Island. It was discovered by the French Antarctic Expedition, 1908–10, under Charcot. The island was charted by the British Graham Land Expedition under Rymill in February...

, Pelsaert I. 
Harvey et al. (2001) listed Halosarcia indica subsp. bidens, but all Halosarcia were transferred into Tecticornia in 2007.
Tecticornia
Tecticornia
Tecticornia is a genus of succulent, salt tolerant plant largely endemic to Australia. In 2007, the genus Halosarcia, along with three other Australian genera was incorporated intothe genus....

sp.
Samphire West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Harvey et al. (2001) listed Halosarcia sp., but all Halosarcia were transferred to Tecticornia in 2007.
Threlkeldia diffusa
Threlkeldia diffusa
Threlkeldia diffusa, also known as Coast Bonefruit, is a perennial herb which occurs in coastal areas and saline flats in Australia. It is sometimes prostrate or may grow up to 0.4 metres in height. The green flowers occur between October and November in its native range....

Coast Bonefruit 33 islands 19 islands 20 islands

Colchicaceae
Colchicaceae
Colchicaceae is a botanical name of a family of flowering plants.The APG III system, of 2009 , does recognize such a family and places it in the order Liliales, in the clade monocots, and regards the family as including some two hundred species of herbaceous perennials with rhizomes or corms.The...

Wurmbea monantha
Wurmbea monantha
Wurmbea monantha is a perennial herb that is native to Western Australia. The white to pink flowers are produced between July and September in its native range....

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Serventy I. 

Convolvulaceae
Convolvulaceae
Convolvulaceae, known commonly as the bindweed or morning glory family, are a group of about 60 genera and more than 1,650 species of mostly herbaceous vines, but also trees, shrubs and herbs.- Description :...

Ipomoea cairica
Ipomoea cairica
Ipomoea cairica morning glory has many common names, including Mile-a-minute Vine, Messina Creeper, Cairo Morning Glory, Coast Morning Glory and Railroad Creeper. This vining perennial has palmate leaves and large, showy white to lavender flowers...

Little Rat I.  Naturalised

Crassulaceae
Crassulaceae
Crassulaceae, or the orpine family, are a family of dicotyledons. They store water in their succulent leaves. They are found worldwide, but mostly occur in the Northern Hemisphere and southern Africa, typically in dry and/or cold areas where water may be scarce...

Bryophyllum delagoense Mother of Millions Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Rat I.  Naturalised. In 2000 this poisonous weed was found to have colonised over half of Rat and Pigeon Islands.
Crassula colorata
Crassula colorata
Crassula colorata is an annual plant in the family Crassulaceae. The species is endemic to Australia, occurring in Western Australia, South Australia, New South Wales and Victoria....

Dense Stonecrop Dick I., Eastern I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Long I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Tattler I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
10 islands Basile I., Burton I., Middle I., Pelsaert I., Stick I. 
Crassula exserta Bynoe I., Campbell I., Leo I., White I. 
Cotyledon orbiculata
Cotyledon orbiculata
Cotyledon orbiculata, commonly known as Pig's Ear or Round-leafed Navel-wort, is a succulent plant belonging to the Cotyledon genus.-Description:...

Dick I., Eastern I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Cucubitaceae

Cucurbita pepo
Cucurbita pepo
The species Cucurbita pepo is a cultivated plant of the genus Cucurbita. It includes varieties of squash, gourd, and pumpkin.*Acorn squash*Delicata squash*Dodi marrow, grown in South Asia*Gem squash*Heart of gold squash*Pattypan squash...

Rat I. 

Cunoniaceae
Cunoniaceae
The Cunoniaceae is a family of 26 genera and about 350 species of woody plants in the Antarctic flora, with many laurifolia species with glossy leaves endemic to laurel forest habitat. The family is native to Australia, New Caledonia, New Guinea, New Zealand, southern South America, the Mascarene...

Aphanopetalum clematideum
Aphanopetalum clematideum
Aphanopetalum clematideum is a species of twining shrub or vines that grows in the Geraldton Sandplains region of Western Australia....

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Cyperaceae
Cyperaceae
Cyperaceae are a family of monocotyledonous graminoid flowering plants known as sedges, which superficially resemble grasses or rushes. The family is large, with some 5,500 species described in about 109 genera. These species are widely distributed, with the centers of diversity for the group...

Ficinia nodosa
Ficinia nodosa
Ficinia nodosa is a rhizomatous perennial in the family Cyperaceae, native to Australia and New Zealand. It grows to between 15 and 100 cm in height....

Knotted Club Rush North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Harvey et al. (2001) listed Isolepis nodosa, but this species has since been transferred into Ficinia
Ficinia
Ficinia is a genus of tufted or rhizotamous sedges. There are around 70 recognised species in Africa, two species that occur in New Zealand and a single species Ficinia nodosa that occurs in Australia....

.
Isolepis marginata Coarse Clubrush East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Naturalised

Dasypogonaceae
Dasypogonaceae
Dasypogonaceae is a botanical name of a family of flowering plants. Such a family has not been commonly recognized by taxonomists: the plants involved were usually included in the family Xanthorrhoeaceae....

Acanthocarpus preissii
Acanthocarpus preissii
Acanthocarpus preissii is a rhizomatous perennial that occurs on coastal dunes in Western Australia. White flowers appear between April and May in the species native range....

"Eagle Point Islet", East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Little Pigeon I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Tattler I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Dilleniaceae
Dilleniaceae
Dilleniaceae is the botanical name for a family of flowering plants. Such a family has been universally recognized by taxonomists. It is known to gardeners for the genus Hibbertia, which contains many commercially valuable garden species....

Hibbertia racemosa Stalked Guinea Flower East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Epacridaceae

Leucopogon insularis East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Euphorbiaceae
Euphorbiaceae
Euphorbiaceae, the Spurge family are a large family of flowering plants with 300 genera and around 7,500 species. Most are herbs, but some, especially in the tropics, are also shrubs or trees. Some are succulent and resemble cacti....

Beyeria viscosa Pinkwood East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Oystercatcher I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Euphorbia boophthona Gascoyne Spurge Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Euphorbia drummondii Caustic Weed East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Little Rat I., Rat I.  Middle I. 
Euphorbia tannensis
Euphorbia tannensis
Euphorbia tannensis is a species of herb or shrub native to Australia and some Pacific islands.-Description:It grows as an erect annual or perennial herb or shrub, from 10 centimetres to a metre in height, with green or yellow flowers...

"Eagle Point Islet", Little Pigeon I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Turnstone I. 
Middle I. 
Euphorbia terracina Geraldton Carnation Weed Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Little Rat I., Rat I.  Naturalised
Phyllanthus calycinus False Boronia East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Frankeniaceae
Frankeniaceae
Frankeniaceae is the botanical name for a family of flowering plants. Such a family has been widely recognized by many taxonomists; it has commonly been assumed to be closely related to family Tamaricaceae....

Frankenia pauciflora
Frankenia pauciflora
Frankenia pauciflora is a shrub in the Frankeniaceae family, native to southern Australia....

Seaheath 11 islands Bushby I., Campbell I., Little Rat I., Rat I.  Davis I., Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Middle I., Murray I., Pelsaert I., Sweet I. 

Gentianaceae
Gentianaceae
Gentianaceae are a family of flowering plants of 87 genera and over 1500 species. Flowers are actinomorphic and bisexual with fused sepals and petals. The stamens are attached to the inside of the petals and alternate with the corolla lobes. There is a glandular disk at the base of the gynoecium,...

Centaurium erythraea
Centaurium erythraea
Centaurium erythraea is a species of flowering plant in the gentian family known by the common names common centaury and European centaury. This centaury is a widespread plant of Europe and parts of western Asia and northern Africa. It has also naturalised in parts of North America and throughout...

Common Centaury Bushby I., Little Rat I.  Naturalised
Schenkia australis
Schenkia australis
Schenkia australis is a species of annual herb in the Gentianaceae family. It is endemic to Australia.-Description:S. australis grows as an annual, or rarely biannual, herb, from 2 to 30 centimetres high...

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Tattler I., Turnstone I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Basile I., Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Pelsaert I. 
Naturalised. Harvey et al. (2001) lists this as Centaurium spicatum, but this species has been transferred into Schenkia
Schenkia
Schenkia is a genus of flowering plants in the gentian family, Gentianaceae. It is sometimes included in the genus Centaurium.-Selected species:*Schenkia australis G.Mans....

, and the Australian specimens segregated into a new species as S. australis. Harvey et al. (2001) also lists C. maritimum on East Wallabi Island, but this name has been misapplied for C. spicatum in Australia.

Geraniaceae
Geraniaceae
Geraniaceae is a family of flowering plants placed in the order Geraniales. The family name is derived from the genus Geranium. It includes both the genus Geranium and the garden plants called geraniums, which modern botany classifies as genus Pelargonium, along with other related genera.There are...

Erodium cicutarium
Erodium cicutarium
Erodium cicutarium, also known as Redstem filaree, Common Stork's-bill, is an herbaceous annual, and in warm climates a biennial member of the Geranium Family of flowering plants...

Common Storksbill Barge Rock, East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Long I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Little Rat I., Rat I.  Middle I., Pelsaert I., Square I.  Naturalised
Erodium cygnorum
Erodium cygnorum
Erodium cygnorum is a species of herb native to Australia.It is commonly known as Blue Heronsbill in Western Australia, and Blue Storksbill in South Australia...

Blue Heronsbill East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Pelargonium littorale
Pelargonium littorale
Pelargonium littorale is a species of Pelargonium found within the southwest botanical province of Australia.-Description :A perennial herb found as an erect or semiprostrate shrub, Pelargonium littorale may be 100 to 500 mm in height...

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Pelargonium zonale Rat I.  Naturalised. Harvey et al. (2001) lists this species, but FloraBase
FloraBase
FloraBase is a public access web-based database of the flora of Western Australia. It provides authoritative scientific information on 12,978 taxa, including descriptions, maps, images, conservation status and nomenclatural details...

 has no record of it occurring in Western Australia.

Goodeniaceae
Goodeniaceae
Goodeniaceae are a family of flowering plants in the order Asterales. It contains about 404 species in twelve genera. The family is distributed mostly in Australia, except for the genus Scaevola, which is pantropical...

Scaevola crassifolia
Scaevola crassifolia
Scaevola crassifolia is a shrub in the family Goodeniaceae, native to Western Australia and South Australia. Common names include Cushion Fanflower, Thick-leaved Fanflower and Thick-leaved Scaevola...

Thick-leaved Fan-flower East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Seagull I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Campbell I., Rat I., Suomi I.  Pelsaert I. 

Haloragaceae
Haloragaceae
Haloragaceae is a dicotyledon flowering plant family in the order Saxifragales, based on the phylogenetic APG III system. In the Cronquist system, it was included in the order Haloragales.- Distribution :...

Haloragis trigonocarpa East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 

Juncaceae
Juncaceae
Juncaceae, the rush family, are a monocotyledonous family of flowering plants. There are eight genera and about 400 species. Members of the Juncaceae are slow-growing, rhizomatous, herbaceous plants, and they may superficially resemble grasses. They often grow on infertile soils in a wide range...

Juncus bufonius
Juncus bufonius
Juncus bufonius, known commonly as toad rush, is a common species of rush found worldwide. It grows in moist and muddy places and is considered a weed in many areas. This is an annual monocot that is quite variable in appearance. It is sometimes described as a complex of variants labeled with one...

Toad Rush East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Naturalised

Juncaginaceae
Juncaginaceae
Juncaginaceae is the botanical name of a family of flowering plants, recognized by most taxonomists for the past few decades. It is also known as the Arrowgrass family....

Triglochin centrocarpa Dick I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Middle I., Pelsaert I., Three I. 
Triglochin mucronata
Triglochin mucronata
Triglochin mucronata is a salt-tolerant herb native to Australia.-Description:It grows as an annual herb that sprawls along the ground, reaching a height of no more than 22 centimetres. It has green flowers.-Taxonomy:...

North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Triglochin muelleri East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Triglochin trichophora
Triglochin trichophora
Triglochin trichophora is an annual herb native to Australia.-Taxonomy:This species was published in 1848 by Christian Gottfried Daniel Nees von Esenbeck. It is had an uneventful taxonomic history.-Distribution and habitat:...

Barge Rock, East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Keru I., Rat I., Serventy I. 

Lamiaceae
Lamiaceae
The mints, taxonomically known as Lamiaceae or Labiatae, are a family of flowering plants. They have traditionally been considered closely related to Verbenaceae, but in the 1990s, phylogenetic studies suggested that many genera classified in Verbenaceae belong instead in Lamiaceae...

Westringia dampieri East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, First Sister, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Liliaceae
Liliaceae
The Liliaceae, or the lily family, is a family of monocotyledons in the order Liliales. Plants in this family have linear leaves, mostly with parallel veins but with several having net venation , and flower arranged in threes. Several have bulbs, while others have rhizomes...

Aloe
Aloe
Aloe , also Aloë, is a genus containing about 500 species of flowering succulent plants. The most common and well known of these is Aloe vera, or "true aloe"....

sp.
Little Pigeon I.  Naturalised

Loganiaceae
Loganiaceae
Loganiaceae are a family of flowering plants classified in order Gentianales. The family includes 13 genera, distributed around the world's tropics.Earlier treatments of the family have included up to 29 genera...

Phyllangium paradoxum West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Malvaceae
Malvaceae
Malvaceae, or the mallow family, is a family of flowering plants containing over 200 genera with close to 2,300 species. Judd & al. Well known members of this family include okra, jute and cacao...

Lavatera
Lavatera
Lavatera is a genus of about 25 species of flowering plants in the family Malvaceae, native to the Mediterranean region, central and eastern Asia, and Australia. A number of species previously listed in this genus have now been transferred to the related genus Malva...

sp.
"Shearwater Islet"
Malva preissiana
Malva preissiana
Malva preissiana is a herbaceous perennial in the family Malvaceae, found in the Australian states of New South Wales, Queensland and to a greater extent in South Australia....

Australian Hollyhock 21 islands 15 islands 12 islands Harvey et al. (2001) lists this as Lavatera plebeia, but this is now a synonym of M. preissiana.
Malva linnaei Cretan Mallow Little North I., White I.  Naturalised according to FloraBase
FloraBase
FloraBase is a public access web-based database of the flora of Western Australia. It provides authoritative scientific information on 12,978 taxa, including descriptions, maps, images, conservation status and nomenclatural details...

, though not according to Harvey et al. (2001). The latter source lists this as Lavatera cretica, but this is now a synonym of M. linnaei.
Malva parviflora
Malva parviflora
Malva parviflora is an annual or perennial herb that is native to Northern Africa, Europe and Asia and is widely naturalised elsewhere. Common names include cheeseweed, cheeseweed mallow, Egyptian mallow, least mallow, little mallow, mallow, marshmallow, small-flowered mallow, small-flowered...

Marshmallow East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Rat I.  Newman I., Sid Liddon I.  Naturalised
Sida spodochroma East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Mimosaceae

Acacia didyma
Acacia didyma
Acacia didyma is a shrub or small tree which is native to Western Australia. It grows to between 1.5 metres and 4 metres in height and flowers from August to October in its native range....

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Myoporaceae
Myoporaceae
Myoporaceae is a family of plants, found mostly in Australia, which includes the following genera:* Diocirea* Eremophila, also known as Emu Bush* Myoporum, also known as Boobiala...

Eremophila glabra
Eremophila glabra
Eremophila glabra , also known as Tar Bush, is a shrub which is native to Australia.-Description:It grows to between 0.1 and 3 metres in height and has green, yellow, orange, red or brown flowers between early autumn and summer .-Taxonomy:The species was first published in 1810 by botanist Robert...

Tar Bush East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Basile I., Middle I. 
Eremophila deserti
Eremophila deserti
Eremophila deserti is a shrub which is endemic to Australia.Common names for this species include Turkey Bush, Dogwood, Poison Bush Ellangowan Poison Bush, Pencil Bush and Carrot Bush...

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Myoporum insulare
Myoporum insulare
Myoporum insulare is a shrub or small tree which occurs on dunes and coastal cliffs in Australia. Common names include Common Boobialla, Boobialla, Native Juniper and, in Western Australia, Blueberry Tree....

Blueberry Tree 27 islands 22 islands 17 islands

Myrtaceae
Myrtaceae
The Myrtaceae or Myrtle family are a family of dicotyledon plants, placed within the order Myrtales. Myrtle, clove, guava, feijoa, allspice, and eucalyptus belong here. All species are woody, with essential oils, and flower parts in multiples of four or five...

Eucalyptus oraria
Eucalyptus oraria
Eucalyptus oraria, also known as Ooragmandee, is a mallee species of Eucalyptus that is native to Western Australia, occurring in coastal and near-coastal areas. Its mature height ranges from 1 to 15 metres....

Ooragmandee East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Onagraceae
Onagraceae
Onagraceae, also known as the Willowherb family or Evening Primrose family, are a family of flowering plants. The family includes about 640-650 species of herbs, shrubs, and trees in 20-24 genera...

Epilobium billardiereanum Glabrous Willow Herb East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Orobanchaceae
Orobanchaceae
Orobanchaceae, the broomrape family, is a family of flowering plants of the order Lamiales, with about 90 genera and more than 2000 species. Many of these genera were formerly included in the family Scrophulariaceae sensu lato...

Orobanche minor
Orobanche minor
Orobanche minor, or Common Broomrape, is a holoparasitic angiosperm belonging to the genus Orobanche; a genus of about 150 non-photosynthetic plants that parasitize other autotrophic plants.-Characteristics and growth requirements:...

Lesser Broomrape East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Naturalised

Orchidaceae
Orchidaceae
The Orchidaceae, commonly referred to as the orchid family, is a morphologically diverse and widespread family of monocots in the order Asparagales. Along with the Asteraceae, it is one of the two largest families of flowering plants, with between 21,950 and 26,049 currently accepted species,...

Microtis media
Microtis media
Microtis media is a herbaceous plant of the family Orchidaceae. It is found in Western Australia, and informally known as the Tall - or Common - Mignonette Orchid or Middle-sized Microtis.- Description :...

Tall Mignonette Orchid East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Microtis
Microtis
Microtis is a small genus in the orchid family Orchidaceae.- Description :These orchids occur from South China to Japan, Australia , New Zealand and the south west Pacific, in grassland and scrub....

sp.
East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Oxalidaceae
Oxalidaceae
The Oxalidaceae, or wood sorrel family, are a small family of eight genera of herbaceous plants, shrubs and small trees, with the great majority of the 900 species in the genus Oxalis...

Oxalis corniculata Yellow Wood Sorrel East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Naturalised

Papilionaceae

Bossiaea spinescens East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Medicago polymorpha
Medicago polymorpha
Medicago polymorpha is a plant species of the genus Medicago. It is native to the Mediterranean basin but is found throughout the world. It forms a symbiotic relationship with the bacterium Sinorhizobium medicae, which is capable of nitrogen fixation...

Burr Medic Little Pigeon I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Little Rat I., Rat I., Suomi I.  Pelsaert I.  Naturalised
Medicago
Medicago
Medicago is a genus of flowering plants, commonly known as medick or burclover. The name is based on Latin medica 'alfalfa, lucerne,' from 'Median .'...

sp.
Rat I.  Naturalised
Melilotus indicus
Melilotus indicus
Melilotus indicus, sometimes incorrectly written Melilotus indica, is a yellow-flowered herb native to northern Africa, Europe and Asia, but naturalized throughout the rest of the world....

Beacon I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Bushby I., Little Rat I., Rat I.  Basile I., Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Pelsaert I., Post Office I. 
Naturalised
Mirbelia ramulosa East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Phormiaceae

Dianella revoluta
Dianella revoluta
Dianella revoluta, commonly known as the Black-anther Flax-lily, Blueberry Flax-lily or Spreading Flax-Lily, is a perennial herb of the family Hemerocallidaceae found across the eastern states of Australia and Tasmania....

Blueberry Lily "Eagle Point Islet", East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Tattler I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Pittosporaceae
Pittosporaceae
Pittosporaceae is a family of flowering plants. The family includes approximately 200 species of trees, shrubs, and lianas in 9-10 genera. The species of Pittosporaceae range from tropical to temperate climates of the Afrotropic, Indomalaya, Oceania, and Australasia ecozones.-Genera:* Auranticarpa...

Pittosporum phylliraeoides Weeping Pittosporum 10 islands Middle I. 

Plantaginaceae
Plantaginaceae
Plantaginaceae Juss. or plantain family, are a family of flowering plants in the order Lamiales. The type genus is Plantago L..In older classifications it used to be the only family of the order Plantaginales, but numerous phylogenetic studies, summarized by the Angiosperm Phylogeny Group, have...

Plantago coronopus
Plantago coronopus
Plantago coronopus is a species of Plantago sometimes grown as a leaf vegetable...

Buckshorn Plantain Little Rat I. 
Plantago debilis
Plantago debilis
Plantago debilis is a species of herb native to Australia. Common names include Shade Plantain and Weak Plantain.-Description:...

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Middle I. 

Plumbaginaceae
Plumbaginaceae
Plumbaginaceae is a family of flowering plants, with a cosmopolitan distribution. The family is sometimes referred to as the leadwort family or the plumbago family....

Muellerolimon salicorniaceum 10 islands Little Rat I., Rat I.  Middle I. 

Poaceae
Poaceae
The Poaceae is a large and nearly ubiquitous family of flowering plants. Members of this family are commonly called grasses, although the term "grass" is also applied to plants that are not in the Poaceae lineage, including the rushes and sedges...

Austrodanthonia caespitosa
Austrodanthonia caespitosa
Austrodanthonia caespitosa, known by various common names including Common Wallaby-grass, Ringed Wallaby-grass, and White-top, is a species of grass native to southern parts of Australia.-Description:...

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Austrostipa crinita
Austrostipa crinita
Austrostipa crinita is a species of grass that grows in coastal parts of midwest Western Australia.-Description:It is a tufted perennial grass from 40 centimetres to 70 centimetres in height. Flowers are yellow or brown...

North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Austrostipa elegantissima East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Long I., Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Turnstone I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Middle I. 
Austrostipa flavescens Akerstrom I., Oystercatcher I., Seagull I., Tattler I. 
Austrostipa variabilis
Austrostipa variabilis
Austrostipa variabilis is a species of grass that grows in southern parts of Australia.-Description:It is a perennial tufted grass, from 15 centimetres to 80 centimetres in height. It has green or purple flowers.-Taxonomy:...

East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Tattler I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Rat I. 
Avena barbata
Avena barbata
Avena barbata is a species of wild oat known by the common name slender wild oat. It has edible seeds. It is native to central Asia and the Mediterranean Basin. It is also known in North America as an introduced species and noxious weed. It is widespread in California, where it has displaced native...

Bearded Oat Little Pigeon I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Roma I., Wooded I.  Basile I., Pelsaert I.  Naturalised
Avena fatua
Avena fatua
Avena fatua is a species of grass in the oat genus. It is known as the common wild oat. This oat is native to Eurasia but it has been introduced to most of the other temperate regions of the world. It is naturalized in some areas and considered a noxious weed in others...

Wild Oat North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Little Rat I., Rat I., Serventy I., Suomi I., Wooded I. 
Basile I., Burnett Rock, Burton I., Pelsaert I., Uncle Margie I.  Naturalised
Avena
Avena
The oats are a genus of 10-15 species of true grasses . They are native to Europe, Asia and northwest Africa. One species is widely cultivated elsewhere, and several have become naturalized in many parts of the world...

sp.
Beacon I., Tattler I.  Bushby I.  Naturalised
Bromus arenarius
Bromus arenarius
Bromus arenarius is a species of brome grass known by the common name Australian brome.It is native to much of Australia, and it is known in New Zealand and parts of North America as an introduced species. It is an annual grass growing up to 60 centimeters tall. Its narrow leaves are coated in soft...

Sand Brome 13 islands 13 islands Burnett Rock, Burton I., Coronation I. Newman I., Pelsaert I., Post Office I., Stick I. 
Bromus diandrus
Bromus diandrus
Bromus diandrus is a species of grass known by the common names great brome and "ripgut brome".This is a brome grass which is native to the Mediterranean but has been introduced to much of the rest of the world...

Great Brome Beacon I., Little Pigeon I., Long I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Turnstone I. 
Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Campbell I., Gilbert I., Leo I., Wooded I. 
Basile I., Burton I., Eight I., Three I.  Naturalised
Bromus hordeaceus
Bromus hordeaceus
Bromus hordeaceus, the Soft Brome, is an annual or biennial species of plant in the true grass family . It is also known in North America as Bull Grass, Soft Cheat or Soft Chess....

Soft Brome 11 islands Middle I., Pelsaert I., Square I.  Naturalised
Bromus japonicus var. vestitus Seal I.  Naturalised
Bromus madritensis
Bromus madritensis
Bromus madritensis is a species of brome grass known by the common name compact brome.It is native to Europe but it has been widely introduced elsewhere, such as North America, where it is found in many areas. It is now known nearly worldwide...

Madrid Brome North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Naturalised
Bromus rubens Red Brome Basile I., Burnett Rock, Uncle Margie I.  Naturalised
Bromus
Bromus
Bromus is a large genus of the grass family . Estimates in the scientific literature of the number of species have ranged from 100 to 400, but plant taxonomists currently recognize around 160–170 species...

sp.
Campbell I.  Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Murray I., One I., Sweet I. 
Naturalised
Cynodon dactylon
Cynodon dactylon
Cynodon dactylon , also known as Dūrvā Grass, Bermuda Grass, Dubo, Dog's Tooth Grass, Bahama Grass, Devil's Grass, Couch Grass, Indian Doab, Arugampul, Grama, and Scutch Grass, is a grass native to north and east Africa, Asia and Australia and southern Europe...

Couch East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Rat I., Wooded I.  Naturalised
Cynodon
Cynodon
Cynodon is a genus of nine species of grasses, native to warm temperate to tropical regions of the Old World. The genus as a whole as well as its species are commonly known as Bermuda Grass or Dog's Tooth Grass.-Species:...

sp.
Rat I. 
Ehrharta brevifolia Annual Veldt Grass East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Pelsaert I.  Naturalised
Ehrharta longiflora Annual Veldt Grass Barge Rock, Beacon I., Little Pigeon I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Tattler I. 
12 islands Basile Rock, Burton I., Eight I., Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Jackson I., Newman I., Pelsaert I., Uncle Margie I. 
Naturalised
Eragrostis dielsii
Eragrostis dielsii
Eragrostis dielsii, commonly known as Mallee Lovegrass, is a species of grass endemic to Australia.-Description:It grows as an annual or short-lived perennial tuft up to 40 centimetres high with erect, spreading culms...

Mallee Lovegrass Akerstrom I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Little Pigeon I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Turnstone I. 
Little Rat I., Rat I.  Pelsaert I. 
Hordeum murinum subsp. leporinum
Hordeum murinum subsp. leporinum
Hordeum murinum subsp. leporinum is a subspecies of Hordeum murinum .Its common names include hare barley, mouse barley, and barley grass.-Taxonomy:...

Barley Grass Little Pigeon I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Alexander Island
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

 
Basile I.  Naturalised; in Western Australia this is treated at species rank as Hordeum leporinum.
Lachnagrostis filiformis Blown Grass East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Harvey et al. (2001) lists this as Agrostis avenacea, but this is now a synonym of L. filiformis.
Lolium multiflorum
Lolium multiflorum
Lolium multiflorum is a ryegrass native to temperate Europe, although the precise location of its origin is unknown....

Italian Ryegrass West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Naturalised
Lolium perenne
Lolium perenne
Lolium perenne, common name Perennial Ryegrass, is a grass from the family Poaceae. It is native to Europe, Asia and northern Africa, but is widely cultivated and naturalised around the world.-Description:...

Perennial Ryegrass West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Basile I.  Naturalised
Lolium rigidum Wimmera Ryegrass Alcatraz I., Little Pigeon I.  Pelsaert I.  Naturalised
Lolium temulentum
Lolium temulentum
Lolium temulentum, typically known as darnel, poison darnel or cockle, is an annual plant that forms part of the Poaceae family and part of the Lolium genus. The plant stem can grow up to one meter tall, with inflorescence in the ears and purple grain...

Drake Campbell I., Leo I., Rat I.  Stick I.  Naturalised
Parapholis incurva
Parapholis incurva
Parapholis incurva is a species of grass native to Europe, Asia and northern Africa, and widely naturalised elsewhere. Common names include Coast Barbgrass, Curved Sea Hard Grass, Sickle Grass, Curved Sicklegrass and Curved Parapholis.-Taxonomy:It was first published as Aegilops incurva by Carl...

Coast Barbgrass North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Bynoe I., Campbell I., Keru I., Leo I., Morley I., Roma I.  Uncle Margie I.  Naturalised
Pennisetum clandestinum
Pennisetum clandestinum
The tropical grass species Pennisetum clandestinum is known by several common names, most often kikuyu grass, as it is native to the region of East Africa that is home to the Kĩkũyũ tribe. Because of its rapid growth and aggressive nature, it is categorised as a noxious weed in some regions...

Kikuyu Grass Little Rat I.  Naturalised
Phalaris canariensis Canary Grass Post Office I.  Naturalised
Phalaris minor
Phalaris minor
Phalaris minor is a species of grass native to northern Africa, Europe and Asia, and widely naturalised elsewhere.Common names include little seed canary grass, small-seeded canary grass, small canary grass and lesser canary grass....

Lesser Canary Grass North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Morley I., Serventy I., Suomi I. 
Basile I., Burnett Rock, Burton I., Post Office I., Uncle Margie I.  Naturalised
Phleum pratense Timothy "Gun Islet" Naturalised
Poa annua
Poa annua
Poa annua, or annual meadow grass , is a widespread low-growing turfgrass in temperate climates. Though P. annua is commonly considered a solely annual plant due to its name, perennial bio-types do exist. 'Poa' is Greek for fodder. It is one of the sweetest grasses for green fodder, but less ...

Winter Grass Beacon I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Naturalised
Poa poiformis Coastal Poa East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Polypogon monspeliensis
Polypogon monspeliensis
Polypogon monspeliensis, commonly known as annual beard grass or annual rabbitsfoot grass, is a species of grass. It is native to southern Europe, but it can be found today throughout the world as an introduced species and sometimes a noxious weed. It is an annual grass growing to heights between 5...

Annual Beardgrass Little Pigeon I., Long I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Naturalised
Polypogon tenellus East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Rostraria cristata
Rostraria cristata
Rostraria cristata is an annual grass species which is native to Eurasia and widely naturalised elsewhere....

Little Pigeon I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Bynoe I., Serventy I.  Naturalised
Setaria dielsii
Setaria dielsii
Setaria dielsii, commonly known as Diels' Pigeon Grass, is a species of grass native to Australia.-Description:It is an annual grass that grows in tufts from 20 to 130 centimetres high. It has green flowers that occur in an open panicle....

Diels' Pigeon Grass 16 islands 11 islands Burnett Rock, Burton I., Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Middle I., Newman I., Pelsaert I., Square I., Three I. 
Setaria
Setaria
Setaria is a genus of grasses in the Poaceae family.-Selected species:* Setaria cernua Kunth* Setaria dielsii R.A.W.Herrm.* Setaria faberi R.A.W.Herrm.* Setaria incrassata Hack. – Vlei Bristle Grass...

sp.
Dick I. 
Spinifex longifolius
Spinifex longifolius
Spinifex longifolius, commonly known as Beach Spinifex, is a perennial grass that grows along the northern and eastern rim of the Indian Ocean.-Description:It grows as a tussock from 30 centimetres to a metre high, and up to two metres wide...

Beach Spinifex 15 islands 13 islands Burton I., Coronation I., Hummock I., Middle I., Pelsaert I., Post Office I., Stick I., Uncle Margie I. 
Sporobolus virginicus
Sporobolus virginicus
Sporobolus virginicus, known by numerous common names including Marine Couch, Sand Couch, Coastal Rat-tail Grass, Salt Couch Grass, Saltwater Couch and Nioaka, is a coastal non-bunching tussock grass with a wide distribution.-Description:It is a perennial tussock grass from 10 to 50 centimetres in...

Marine Couch North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Turnstone I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Middle I. 
Triticum aestivum Wheat North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Naturalised
Vulpia myuros
Vulpia myuros
Vulpia myuros, or Rat’s-tail Fescue, is an annual grass species of the genus Vulpia. It was probably originally native to Eurasia, but it can now be found nearly worldwide as a naturalized species....

Rat's Tail Fescue Akerstrom I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Little Pigeon I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Turnstone I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Little Rat I., Rat I., Serventy I.  Naturalised

Polygonaceae
Polygonaceae
Polygonaceae is a family of flowering plants known informally as the "knotweed family" or "smartweed family"— "buckwheat family" in the United States. The name is based on the genus Polygonum and was first used by Antoine Laurent de Jussieu in 1789 in his book, Genera Plantarum. The name refers...

Emex australis
Emex australis
Emex australis, commonly known as doublegee or three-cornered jack, is a herbaceous plant of the Polygonaceae. It is a weed in South Africa and Australia.-External links:***...

Doublegee Little Pigeon I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Rat I.  Naturalised

Portulacaceae
Portulacaceae
Portulacaceae are a family of flowering plants, comprising about 20 genera with about 500 species, ranging from herbaceous plants to shrubs. The family has been recognised by most taxonomists, and is also known as the purslane family; it has a cosmopolitan distribution, with the highest diversity...

Calandrinia calyptrata
Calandrinia calyptrata
Calandrinia calyptrata is a annual plant in the family Portulacaceae. It is endemic to Australia.The species occurs in Western Australia, South Australia, Victoria, Tasmania and New South Wales....

Pink Purslane North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

 
Rotondella I., Uncle Margie I. 

Primulaceae
Primulaceae
Primulaceae is a family of flowering plants with about 24 genera, including some favorite garden plants and wildflowers. It is also known as the primrose family.- Genera :...

Anagallis arvensis Pimpernel Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Bushby I., Little Rat I., Rat I., Serventy I. 
Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Middle I., Pelsaert I. 
Naturalised

Proteaceae
Proteaceae
Proteaceae is a family of flowering plants distributed in the Southern Hemisphere. The family comprises about 80 genera with about 1600 species. Together with the Platanaceae and Nelumbonaceae they make up the order Proteales. Well known genera include Protea, Banksia, Embothrium, Grevillea,...

Grevillea argyrophylla
Grevillea argyrophylla
Grevillea argyrophylla is a shrub in the family Proteaceae. It is endemic to south-western Western Australia....

Silvery-leaved Grevillea East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Pelican I., Saville-Kent I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Basile I., Middle I., Murray I. 

Ranunculaceae
Ranunculaceae
Ranunculaceae are a family of about 1700 species of flowering plants in about 60 genera, distributed worldwide....

Ranunculus sessiliflorus Smallflower Buttercup East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Rhamnaceae
Rhamnaceae
Rhamnaceae, the Buckthorn family, is a large family of flowering plants, mostly trees, shrubs and some vines.The family contains 50-60 genera and approximately 870-900 species. The Rhamnaceae have a worldwide distribution, but are more common in the subtropical and tropical regions...

Spyridium globulosum
Spyridium globulosum
Spyridium globulosum is a shrub in the family Rhamnaceae. It is endemic to Western Australia where it occurs on coastal dunes and in limestone areas. It grows to between 0.6 and 5 metres in height and produces white flowers between June and November in its native range....

Basket Bush East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Rubiaceae
Rubiaceae
The Rubiaceae is a family of flowering plants, variously called the coffee family, madder family, or bedstraw family. The group contains many commonly known plants, including the economically important coffee , quinine , and gambier , and the horticulturally valuable madder , west indian jasmine ,...

Galium
Galium
Galium is a large genus of annual and perennial herbaceous plants in the family Rubiaceae, with 617 known species occurring in the temperate zones of both the Northern and Southern Hemispheres. Most species are known as bedstraw. G...

sp.
East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Harvey et al. (2001) list this as "Galium migrans" but, according to FloraBase, that species is not present in Western Australia.
Opercularia vaginata Dog Weed East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Rutaceae
Rutaceae
Rutaceae, commonly known as the rue or citrus family, is a family of flowering plants, usually placed in the order Sapindales.Species of the family generally have flowers that divide into four or five parts, usually with strong scents...

Diplolaena grandiflora
Diplolaena grandiflora
Diplolaena grandiflora, commonly known as Wild Rose or Tamala Rose, is a shrub which is endemic to Western Australia.-Description:...

Wild Rose "Eagle Point Islet", East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Little Pigeon I., Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Tattler I., Turnstone I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Little Rat I., Rat I.  Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

 

Santalaceae
Santalaceae
Santalaceae is a widely distributed family of flowering plants which, like other members of Santalales, are partially parasitic on other plants...

Exocarpos aphyllus Leafless Ballart East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Little Pigeon I., Long I., Oystercatcher I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, Seagull I., Tattler I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Exocarpos sparteus
Exocarpos sparteus
Exocarpos sparteus is an Australian endemic plant species, commonly known as the Broom Ballart or native cherry. The species is found in all states of mainland Australia.-Description:...

Broom Ballart North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 

Sapindaceae
Sapindaceae
Sapindaceae, also known as the soapberry family, is a family of flowering plants in the order Sapindales. There are about 140-150 genera with 1400-2000 species, including maple, horse chestnut and lychee....

Dodonaea aptera
Dodonaea aptera
Dodonaea aptera, commonly known as Coast Hop-bush, is a species of coastal shrub endemic to Western Australia.-Taxonomy:The species was published by Friedrich Anton Wilhelm Miquel in 1845, based on specimens collected in 1839 at Garden Island, Rottnest Island, and Arthurs Head,...

Coast Hop-bush East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Oystercatcher I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Dodonaea inaequifolia East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Oystercatcher I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

Dodonaea viscosa
Dodonaea viscosa
Dodonaea viscosa is a species of flowering plant in the soapberry family, Sapindaceae, that has a cosmopolitan distribution in tropical, subtropical and warm temperate regions of Africa, the Americas, southern Asia and Australasia.-Description:...

Sticky Hopbush Seagull I. 

Scrophulariaceae
Scrophulariaceae
Scrophulariaceae, the figwort family, are a family of flowering plants. The plants are annual or perennial herbs with flowers with bilateral or rarely radial symmetry. Members of the Scrophulariaceae have a cosmopolitan distribution, with the majority found in temperate areas, including...

Dischisma arenarium West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Naturalised

Solanaceae
Solanaceae
Solanaceae are a family of flowering plants that include a number of important agricultural crops as well as many toxic plants. The name of the family comes from the Latin Solanum "the nightshade plant", but the further etymology of that word is unclear...

Lycium ferocissimum
Lycium ferocissimum
Lycium ferocissimum is a shrub in the nightshade family . The species is native to Cape Province and Orange Free State in South Africa and has become naturalised in Australia and New Zealand. It is listed on the Noxious Weed List for Australian States and Territories and is a declared noxious weed...

African Boxthorn Wooded I.  Arthur I., Davis I., Eight I., Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

, Pelsaert I., Seven I., Sid Liddon I., Sweet I., Three I. 
Naturalised. This has been declared a noxious weed, and an eradication program is in place. Harvey et al. (2001) record the plant on only these ten islands, but in 2007 the Department of Environment and Conservation reported that it had been eradicated from 14 out of 18 islands on which it had previously occurred.
Lycopersicon esculentum Tomato Rat I., Roma I.  Jackson I., Middle I.  Naturalised
Nicotiana glauca
Nicotiana glauca
Nicotiana glauca is a species of wild tobacco known by the common names tree tobacco and incorrectly also Mustard tree. Its leaves are attached to the stalk by petioles , and its leaves and stems are neither pubescent nor sticky like Nicotiana tabacum...

Tree Tobacco Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

 
Naturalised
Nicotiana occidentalis subsp. hesperis
Nicotiana occidentalis subsp. hesperis
Nicotiana occidentalis subsp. hesperis is a short-lived herb native to Australia.-Description:It grows as an erect annual or short-lived perennial herb, from ten to 50 centimetres high, with white flowers.-Taxonomy:...

Native Tobacco 14 islands Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Morley I., White I., Wooded I. 
Middle I., Pelsaert I. 
Solanum laciniatum Kangaroo Apple East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 
Naturalised
Solanum nigrum
Solanum nigrum
Solanum nigrum is a species in the Solanum genus, native to Eurasia and introduced in the Americas, Australasia and South Africa.-Description:Black...

Black Berry Nightshade Beacon I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Little Pigeon I., Pigeon I.
Pigeon Island (Houtman Abrolhos)
Pigeon Island is a small island located need the middle of the Wallabi Group of the Houtman Abrolhos, an archipelago off the coast of Western Australia. It is almost entirely given over to Western Rock Lobster fishers' camps, and as a result is far more disturbed than most other islands in the...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Bushby I., Little Rat I., Rat I., Roma I.  Eight I., Gun I.
Gun Island
Gun Island is one of the larger islands in the Pelsaert Group of the Houtman Abrolhos. It is nominally located at , about 4 km north and east of Half Moon Reef and is a flat limestone outcrop of about by in size...

 
Naturalised
Solanum symonii Alcatraz I., Beacon I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Oystercatcher I., Seagull I. 

Sterculiaceae
Sterculiaceae
Sterculiaceae is a botanical name for a group of flowering plants at the rank of family, which is now considered obsolete. As is true for any botanical name, the circumscription, status and placement of the taxon has varied with taxonomic point of view...

Lasiopetalum angustifolium Narrow Leaved Lasiopetalum East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

 

Tamaricaceae
Tamaricaceae
Tamaricaceae is a flowering plant family containing four genera. In the 1980s, the family was classified in the Violales under the Cronquist system; more modern classifications place them in the Caryophyllales.The family is native to drier areas of Europe, Asia and Africa...

Tamarix aphylla
Tamarix aphylla
Tamarix aphylla is the largest known species of Tamarix . The species has a variety of common names, including Athel pine, Athel tree, Athel tamarisk, and saltcedar...

Athel Tree Pigeon I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Naturalised. Harvey et al. (2001) list this as "Tamarix sp.", but T. aphylla is the only Tamarix
Tamarix
The genus Tamarix is composed of about 50-60 species of flowering plants in the family Tamaricaceae, native to drier areas of Eurasia and Africa...

species naturalised in Western Australia.

Thymelaeaceae
Thymelaeaceae
Thymelaeaceae is a cosmopolitan family of flowering plants composed of 50 genera and 898 species. It was established in 1789 by Antoine Laurent de Jussieu.Thymelaeaceae is in the order Malvales...

Pimelea microcephala
Pimelea microcephala
Pimelea microcephala is a dioecious shrub in the family Thymelaeaceae, native to Australia....

Shrubby Riceflower 11 islands

Urticaceae
Urticaceae
Urticaceae, or the nettle family, is a family of flowering plants. The family name comes from the genus Urtica . Urticaceae includes a number of well-known and useful plants, including the aforementioned nettles, Ramie , māmaki , and ajlai .The family includes approximately 2600 species, grouped...

Parietaria cardiostegia Dakin I., Saville-Kent I.  Bynoe I., Keru I.  Burton I. 
Parietaria debilis
Parietaria debilis
Parietaria debilis, commonly known as Pellitory or Native Pellitory, is a herb native to Australia and New Zealand.-Description:It grows as an annual herb from 7 to 40 centimetres in height, with green or white flowers...

Pellitory Beacon I., Dakin I., Dick I., Eastern I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Long I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Saville-Kent I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Alexander I.
Alexander Island (Houtman Abrolhos)
Alexander Island is one of the five largest islands in the Easter Group of the Houtman Abrolhos. It is nominally located at The island is part of the Houtman Abrolhos Important Bird Area, identified as such by BirdLife International because of its importance for supporting large numbers of...

, Bynoe I., Keru I., Leo I., Little North I., Morley I., Rat I., White I. 
13 islands
Urtica urens
Urtica urens
Urtica urens, commonly known as Annual Nettle, Dwarf Nettle or Small Nettle, is a herbaceous annual plant species of the genus Urtica. It is native to Eurasia and it can be found in North America and New Zealand as an introduced species...

Small Nettle East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

 
Naturalised

Zygophyllaceae
Zygophyllaceae
The Zygophyllaceae is a family of flowering plants that contains the bean-caper and caltrop. It includes around 285 species in 22 genera.In the APG III system of classification, the families Zygophyllaceae and Krameriaceae compose the order Zygophyllales...

Nitraria billardierei
Nitraria billardierei
Nitraria billardierei is a perennial salt tolerant shrub. It is often found in saline areas or areas that have been overgrazed. Nitre Bush flowers mainly in spring with small ovoid or oblong fruit that are purple, red or golden...

Nitre Bush 43 islands 30 islands 34 islands This is the most widespread plant species in the Houtman Abrolhos.
Zygophyllum simile
Zygophyllum simile
Zygophyllum simile is a succulent annual herb native to Australia.-Description:It grows as a prostrate or erect annual herb, branching from the base and reaching a height of from four to 60 centimeters...

Beacon I., Dakin I., Dick I., East Wallabi I.
East Wallabi Island
East Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:East Wallabi Island played an important role in the story of the Batavia shipwreck and massacre...

, Long I., North I.
North Island (Houtman Abrolhos)
North Island is the northernmost island in the Houtman Abrolhos, a coral reef archipelago in the Indian Ocean off the coast of Mid West Western Australia. Located about 14 km from the nearest island group, it is one of the largest islands in the Houtman Abrolhos, and one of the few to support...

, Saville-Kent I., West Wallabi I.
West Wallabi Island
West Wallabi Island is an island in the Wallabi Group of the Houtman Abrolhos, located in the Indian Ocean off the west coast of mainland Australia.-History:...

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK