CR

Cyathea obnoxia

Unknown

Overview

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

Cyathea obnoxia faces severe threats from deforestation and habitat conversion in its limited montane forest range. The species' restricted distribution makes it particularly vulnerable to localized disturbances, while climate change poses additional risks to its specialized high-altitude ecosystem requirements. Agricultural expansion and logging activities continue to fragment the remaining suitable habitat patches.

Threat summary

Habitat

This tree fern inhabits montane cloud forests and humid highland areas, typically growing in the understory of primary and secondary forests at elevations between 1,000-2,500 meters. It requires consistently moist conditions and filtered sunlight characteristic of tropical mountain forest ecosystems.

Other threatened species in Cyatheaceae

VU

Cyathea acutidens

Unknown
EN

Cyathea gracilis

Unknown
CR

Cyathea boconensis

Unknown
CR

Alsophila major

Unknown

Frequently asked questions

Why is Cyathea obnoxia classified as Critically Endangered?
Cyathea obnoxia 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. Cyathea obnoxia faces severe threats from deforestation and habitat conversion in its limited montane forest range. The species' restricted distribution makes it particularly vulnerable to localized disturbances, while climate change poses additional risks to its specialized high-altitude ecosystem requirements. Agricultural expansion and logging activities continue to fragment the remaining suitable habitat patches.
Where does Cyathea obnoxia live?
Cyathea obnoxia 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 Cyathea obnoxia?
The main threats to Cyathea obnoxia 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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