Lesser Featherwort
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Lesser Featherwort

Plagiochila porelloides

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Photo: Photo: (c) Daniel Buczkiewicz, some rights reserved (CC BY-SA), uploaded by Daniel Buczkiewicz

Overview

Lesser Featherwort (Plagiochila porelloides) is a delicate leafy liverwort characterized by its distinctive feather-like branching pattern and overlapping, translucent leaves that create intricate geometric arrangements. This small bryophyte plays a crucial ecological role in maintaining moisture levels and providing microhabitat for invertebrates in its specialized environments.

Plagiochila porelloides, the Lesser Featherwort, faces severe population decline primarily due to habitat destruction and degradation of its specialized bryophyte communities. Climate change and air pollution are exacerbating the loss of suitable microhabitats required for this sensitive liverwort species. The species' extremely limited distribution and specific ecological requirements make it particularly vulnerable to environmental changes.

Threat summary

Habitat

Lesser Featherwort thrives in humid, shaded environments on decaying logs, moss-covered rocks, and the bases of trees in old-growth forests. It requires consistently moist conditions with high humidity and filtered light, typically found in undisturbed woodland areas with stable microclimates.

Frequently asked questions

Why is Lesser Featherwort classified as Critically Endangered?
Lesser Featherwort 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. Plagiochila porelloides, the Lesser Featherwort, faces severe population decline primarily due to habitat destruction and degradation of its specialized bryophyte communities. Climate change and air pollution are exacerbating the loss of suitable microhabitats required for this sensitive liverwort species. The species' extremely limited distribution and specific ecological requirements make it particularly vulnerable to environmental changes.
Where does Lesser Featherwort live?
Lesser Featherwort occurs in Åland Islands, Albania, Andorra, Armenia, Austria, and Azerbaijan (plus 54 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Lesser Featherwort?
The main threats to Lesser Featherwort 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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