Joseph Marie Henry Alfred Perrier de la Bâthie (1873–1958) was a French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 botanist

Botany

Botany, plant science, or plant biology is a branch of biology that involves the scientific study of plant life. Traditionally, botany also included the study of fungi, algae and viruses...

 who specialized in the plants of Madagascar

Madagascar

The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...

. He delineated the two chief floristic province

Floristic province

A phytochorion, in phytogeography, is a geographic area with a relatively uniform composition of plant species. Adjacent phytochoria do not usually have a sharp boundary, but rather a soft one, a transitional area in which many species from both regions overlap...

s of Madagascar (see Ecoregions of Madagascar

Ecoregions of Madagascar

Madagascar island, located in the Indian Ocean off the east coast of Africa, is the fourth largest island in the world. Its long isolation from neighbouring continents allowed the evolution of distinct communities of plants and animals. It is home to five percent of the world's plant and animal...

). Some of his works include La végétation malgache (1921), Biogéographie de plantes de Madagascar (1936), and numerous volumes of the series Flore de Madagascar et des Comores (1946-1952).

The orchid genus Neobathiea

Neobathiea

Neobathiea, abbreviated as Nbth in the horticultural trade, is a monophyletic genus of rare orchids Neobathiea, abbreviated as Nbth in the horticultural trade, is a monophyletic genus of rare orchids Neobathiea, abbreviated as Nbth in the horticultural trade, is a monophyletic genus of rare orchids...

(originally Bathiea) was named in his honor, as was the indriid lemur

Lemur

Lemurs are a clade of strepsirrhine primates endemic to the island of Madagascar. They are named after the lemures of Roman mythology due to the ghostly vocalizations, reflective eyes, and the nocturnal habits of some species...

 Perrier's Sifaka

Perrier's Sifaka

Perrier's sifaka is a sifaka endemic to Madagascar. It has a length of 85 to 92 centimeters, of which 42-46 centimeters are tail. Perrier's sifaka has a very limited range in northeastern Madagascar between the Irodo River to the north and the Lokia River to the south. It lives in dry deciduous...

 (Propithecus perrieri). Several species of Madagascar plants were named for him, including Erythrina perrieri

Erythrina perrieri

Erythrina perrieri is a species of legume in the Fabaceae family. It is found only in Madagascar.-Source:* Du Puy, D. & Labat, H. 1998. . . Downloaded on 19 July 2007....

, Ensete perrieri, Euphorbia perrieri

Euphorbia perrieri

Euphorbia perrieri is a species of plant in the Euphorbiaceae family. It is endemic to Madagascar. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.-Source:...

, Melanophylla perrieri

Melanophylla perrieri

Melanophylla perrieri is a species of plant in the Melanophyllaceae family. It is endemic to Madagascar. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.-Source:...

, Podocarpus perrieri

Podocarpus perrieri

Podocarpus perrieri is a species of conifer in the Podocarpaceae family.It is found only in Madagascar.-Source:* Conifer Specialist Group 1998. . Downloaded on 10 July 2007....

, Takhtajania perrieri (originally Bubbia perrieri), and Xerosicyos perrieri.