Wrack (science)
Encyclopedia
Wrack is the common name for several species of seaweed
in the family Fucaceae
. Pelvetia canaliculata
(L.) Dcne. et Thur., Fucus spiralis
L., Fucus vesiculosus L., Ascophyllum nodosum
(L.) Le Jol. and Fucus serratus L. are the most common examples to be found in the British Isles
. Others are: Fucus ceranoides L.; Fucus cottonii M.J.Wynne and Magne; Fucus distichus L., and Fucus evanescans C.Agardh.
These algae are large and being common have "common" names in English. F. serratus is known as "Toothed Wrack"; Fucus vesiculosus is known as "Bladder Wrack"; Fucus spiralis is known as "Spiral Wrack"; Ascophyllum nodosum is known as "Knotted Wrack" and Pelvetia canaliculata is known as "Channelled Wrack".
These species along, with others, are found worldwide. For more information, see the species names or genus name:
Seaweed
Seaweed is a loose, colloquial term encompassing macroscopic, multicellular, benthic marine algae. The term includes some members of the red, brown and green algae...
in the family Fucaceae
Fucaceae
Fucaceae are a family of brown algae. There are seven genera in the family, most notably Fucus, which includes several common seaweeds....
. Pelvetia canaliculata
Pelvetia canaliculata
Pelvetia canaliculata, channelled wrack, is a very common brown alga found on the rocks of the upper shores of Europe.-Description:...
(L.) Dcne. et Thur., Fucus spiralis
Fucus spiralis
Fucus spiralis is a species of seaweed, a brown alga , living on the littoral shore of the Atlantic coasts of Europe and North America. It has the common names of spiral wrack and flat wrack.-Description:...
L., Fucus vesiculosus L., Ascophyllum nodosum
Ascophyllum nodosum
Ascophyllum nodosum is a large, common brown alga in the family Fucaceae, being the only species in the genus Ascophyllum. It is seaweed of the northern Atlantic Ocean, also known as rockweed, Norwegian kelp, knotted kelp, knotted wrack or egg wrack...
(L.) Le Jol. and Fucus serratus L. are the most common examples to be found in the British Isles
British Isles
The British Isles are a group of islands off the northwest coast of continental Europe that include the islands of Great Britain and Ireland and over six thousand smaller isles. There are two sovereign states located on the islands: the United Kingdom of Great Britain and Northern Ireland and...
. Others are: Fucus ceranoides L.; Fucus cottonii M.J.Wynne and Magne; Fucus distichus L., and Fucus evanescans C.Agardh.
These algae are large and being common have "common" names in English. F. serratus is known as "Toothed Wrack"; Fucus vesiculosus is known as "Bladder Wrack"; Fucus spiralis is known as "Spiral Wrack"; Ascophyllum nodosum is known as "Knotted Wrack" and Pelvetia canaliculata is known as "Channelled Wrack".
- Genus Ascophyllum:
- Ascophyllum nodosumAscophyllum nodosumAscophyllum nodosum is a large, common brown alga in the family Fucaceae, being the only species in the genus Ascophyllum. It is seaweed of the northern Atlantic Ocean, also known as rockweed, Norwegian kelp, knotted kelp, knotted wrack or egg wrack...
(L.) Le Jolis. EuropeEuropeEurope is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
, north-eastern North AmericaNorth AmericaNorth America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
.
- Ascophyllum nodosum
- Genus FucusFucusFucus is a genus of brown algae found in the intertidal zones of rocky seashores almost throughout the world.-Description and life cycle:...
:- Fucus distichusFucus distichusFucus distichus or rockweed is a species of brown alga in the family Fucaceae to be found in the intertidal zones of rocky seashores in the northern hemisphere, mostly in rock pools...
L. CaliforniaCaliforniaCalifornia is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
, (USA). - Fucus edentarulus De la Pylaie. Northeastern North America.
- Fucus evanescens C.Agardh. Northeastern North America.
- Fucus filiformis Gmelin. Northeastern North America.
- Fucus gardneriFucus gardneriFucus gardneri is a species of seaweed, a brown alga living on the littoral shore of the Pacific coasts of North America. It has the common name of rockweed.- Description :...
Silva. Bering SeaBering SeaThe Bering Sea is a marginal sea of the Pacific Ocean. It comprises a deep water basin, which then rises through a narrow slope into the shallower water above the continental shelves....
and Aleutian Islands. - Fucus miclonensis De la Pylaie. Northeastern North America.
- Fucus serratus L.Europe. Northeastern North America.
- Fucus spiralisFucus spiralisFucus spiralis is a species of seaweed, a brown alga , living on the littoral shore of the Atlantic coasts of Europe and North America. It has the common names of spiral wrack and flat wrack.-Description:...
L.Europe. Northeastern North America. - Fucus vesiculosus L. Europe,including GreenlandGreenlandGreenland is an autonomous country within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe for...
; northeastern North America.
- Fucus distichus
- Genus Hesperophycus:
- Hesperophycus harveyanus (Decne.) S.& G. California, (USA).
- Genus Pelvetia:
- Pelvetia canaliculataPelvetia canaliculataPelvetia canaliculata, channelled wrack, is a very common brown alga found on the rocks of the upper shores of Europe.-Description:...
(L.) Decaisne and Thuret. Hope IslandHope Island-Places:Australia* Hope Island, Queensland* Hope Island * Hope Islands National Park, QueenslandCanada* Cape Hope Islands, Nunavut* Hope Island USA* Hope Island * Hope Island * Hope Island State Park, Washington...
British ColumbiaBritish ColumbiaBritish Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
(Canada); San Luis Obispo County, California (USA). - Pelvetia fastigiata (J.Ag.) DeToni. California (USA).
- Pelvetia canaliculata
- Genus Pelvetiopsis:
- Pelvetiopsis arborescens Gardn. California (USA).
- Pelvetiopsis limitata Gardn. California (USA).