Hymenasplenium delitescens
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Hymenasplenium delitescens faces severe threats from habitat destruction due to limestone quarrying and urban development in its restricted range. The species' extremely limited distribution makes it particularly vulnerable to localized disturbances, while collection pressure from fern enthusiasts and researchers further threatens the small remaining populations. Climate change poses an additional risk through altered moisture regimes in the specialized cave and crevice environments this fern requires.
Habitat
This critically endangered fern inhabits limestone caves, rock crevices, and shaded cliff faces in tropical and subtropical regions. It requires consistently moist, low-light conditions with stable temperatures, typically growing in the twilight zones of caves or deep limestone fissures where humidity remains high year-round.
Other threatened species in Aspleniaceae
Frequently asked questions
Why is Hymenasplenium delitescens classified as Critically Endangered?
Where does Hymenasplenium delitescens live?
What are the main threats to Hymenasplenium delitescens?
Get weekly conservation intelligence
One short digest a week of the most striking species and country data we ship, plus breaking conservation news paired with our database where it matters.
Free, no spam. One-click unsubscribe in every email.