CR

Asplenium delicatulum

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Asplenium delicatulum faces severe threats from habitat destruction due to urban development and agricultural expansion in its limited range. The species' restricted distribution makes it particularly vulnerable to localized disturbances, while invasive plant species compete for the specialized microhabitats this fern requires. Climate change poses an additional threat by altering the moisture and temperature conditions essential for its survival.

Threat summary

Habitat

This critically endangered fern inhabits specialized microhabitats in tropical or subtropical forests, typically growing on rocky substrates, cliff faces, or in crevices where moisture levels remain consistently high. It requires specific environmental conditions including filtered light, high humidity, and stable temperatures found in undisturbed forest ecosystems.

Other threatened species in Aspleniaceae

CR

Asplenium veneticolor

Unknown
CR

Asplenium alatum

Unknown
CR

Hymenasplenium delitescens

Unknown
CR

Asplenium dissectum

Unknown

Frequently asked questions

Why is Asplenium delicatulum classified as Critically Endangered?
Asplenium delicatulum 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. Asplenium delicatulum faces severe threats from habitat destruction due to urban development and agricultural expansion in its limited range. The species' restricted distribution makes it particularly vulnerable to localized disturbances, while invasive plant species compete for the specialized microhabitats this fern requires. Climate change poses an additional threat by altering the moisture and temperature conditions essential for its survival.
Where does Asplenium delicatulum live?
Asplenium delicatulum occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Asplenium delicatulum?
The main threats to Asplenium delicatulum are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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