Pteris adscensionis
Encyclopedia
Pteris adscensionis is a fern
species in the Pteridaceae
family. It is endemic to Ascension Island
, and there are thought to be fewer than 500 individuals left in the wild. Its natural habitat
has been severely reduced to the large number of species introduced to the island when it was first settled in the 18th century.
Fern
A fern is any one of a group of about 12,000 species of plants belonging to the botanical group known as Pteridophyta. Unlike mosses, they have xylem and phloem . They have stems, leaves, and roots like other vascular plants...
species in the Pteridaceae
Pteridaceae
Pteridaceae is a large family of ferns in the order Pteridales. Members of the family have creeping or erect rhizomes and are mostly terrestrial or epipetric...
family. It is endemic to Ascension Island
Ascension Island
Ascension Island is an isolated volcanic island in the equatorial waters of the South Atlantic Ocean, around from the coast of Africa and from the coast of South America, which is roughly midway between the horn of South America and Africa...
, and there are thought to be fewer than 500 individuals left in the wild. Its natural habitat
Habitat
* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...
has been severely reduced to the large number of species introduced to the island when it was first settled in the 18th century.
Source
- Gray, A. 2003. Pteris adscensionis. 2006 IUCN Red List of Threatened Species. Downloaded on 23 August 2007.