CR

Polystichum wrightii

Unknown

Overview

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

Polystichum wrightii faces severe threats from habitat destruction due to urban development and agricultural expansion in its limited range. The species is particularly vulnerable to forest fragmentation and degradation of its specialized montane forest habitat. Climate change poses an additional threat by altering the cool, moist conditions this fern requires for survival.

Threat summary

Habitat

This critically endangered fern inhabits cool, moist montane forests and shaded rocky slopes at elevations between 1,000-2,500 meters. It typically grows in humus-rich soils under dense forest canopy where humidity levels remain consistently high.

Frequently asked questions

Why is Polystichum wrightii classified as Critically Endangered?
Polystichum wrightii 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. Polystichum wrightii faces severe threats from habitat destruction due to urban development and agricultural expansion in its limited range. The species is particularly vulnerable to forest fragmentation and degradation of its specialized montane forest habitat. Climate change poses an additional threat by altering the cool, moist conditions this fern requires for survival.
Where does Polystichum wrightii live?
Polystichum wrightii 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 Polystichum wrightii?
The main threats to Polystichum wrightii 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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