CRCritically Endangered
Toothed Tongue-fern
Elaphoglossum dimorphum
Declining
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Habitat
Caves and subterranean habitats· major
Conservation measures underway
Site/area protectionSpecies recoveryEx-situ conservationAwareness & communications
Other threatened species in DRYOPTERIDACEAE
Threatened in St. Helena
Frequently asked questions
Why is Toothed Tongue-fern classified as Critically Endangered?
Toothed Tongue-fern is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range, per the IUCN Red List assessment recorded in the SpeciesRadar database.
Where does Toothed Tongue-fern live?
Toothed Tongue-fern occurs in St. Helena. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Toothed Tongue-fern?
The main threats to Toothed Tongue-fern are 11.1, 5.3, and 8.1. The full IUCN-classified threat record for this species is detailed on the species page.
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.