CR

Blechnum gracile

Unknown

Overview

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

Blechnum gracile faces severe population decline due to habitat destruction from agricultural expansion and urban development within its restricted range. The species' limited distribution makes it particularly vulnerable to localized threats, with remaining populations fragmented and isolated. Invasive plant species compete directly with this fern for suitable growing conditions, while climate change alters the moisture regimes essential for its survival.

Threat summary

Habitat

Blechnum gracile inhabits moist, shaded forest understories and rocky crevices in temperate regions. The species requires consistent moisture levels and filtered sunlight, typically growing in areas with rich, well-draining soils.

Frequently asked questions

Why is Blechnum gracile classified as Critically Endangered?
Blechnum gracile 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. Blechnum gracile faces severe population decline due to habitat destruction from agricultural expansion and urban development within its restricted range. The species' limited distribution makes it particularly vulnerable to localized threats, with remaining populations fragmented and isolated. Invasive plant species compete directly with this fern for suitable growing conditions, while climate change alters the moisture regimes essential for its survival.
Where does Blechnum gracile live?
Blechnum gracile 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 Blechnum gracile?
The main threats to Blechnum gracile 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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