Asplenium ascensionis

Asplenium ascensionis is a species of fern in the family Aspleniaceae that is endemic to Ascension Island. Its natural habitats are receding due to introduced vegetation. It is threatened by habitat loss.

Distribution and habitat
A. ascensionis is endemic to central Ascension Island in the South Atlantic Ocean, where it grows on Green Mountain and the surrounding areas at altitudes of 430-770 m above sea level.

Description
A. ascensionis is a small fern with a creeping habit. The fronds measure 3-6 in long with 15-25 irregularly-shaped pinnae on each side.