VU

schaduwdruppelkorst

Fellhanera subtilis

Unknown

Overview

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

Fellhanera subtilis faces severe decline due to air pollution and acid rain, which directly damage its delicate thallus structure and disrupt the symbiotic relationship between fungal and algal components. Urban development and industrial activities have eliminated many of its traditional substrates, particularly old-growth tree bark with specific pH and moisture requirements. Climate change compounds these pressures by altering precipitation patterns and increasing temperature extremes that exceed the species' narrow tolerance range.

Threat summary

Habitat

This crustose lichen inhabits the bark of mature deciduous trees, particularly favoring species with smooth, slightly acidic bark in humid temperate forests. It requires stable microclimatic conditions with consistent moisture levels and minimal air pollution, typically found in old-growth woodland remnants and well-established parklands.

TERRESTRIAL· major

Other threatened species in Byssolomataceae

VU

vaxdynlav

Micarea adnata

Unknown
VU

luddig stiftdynlav

Micarea hedlundii

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VU

Byssoloma marginatum

Unknown
Scutula circumspectaCR

Scutula circumspecta

Unknown

Frequently asked questions

Why is schaduwdruppelkorst classified as Vulnerable?
schaduwdruppelkorst is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Fellhanera subtilis faces severe decline due to air pollution and acid rain, which directly damage its delicate thallus structure and disrupt the symbiotic relationship between fungal and algal components. Urban development and industrial activities have eliminated many of its traditional substrates, particularly old-growth tree bark with specific pH and moisture requirements. Climate change compounds these pressures by altering precipitation patterns and increasing temperature extremes that exceed the species' narrow tolerance range.
Where does schaduwdruppelkorst live?
schaduwdruppelkorst 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 schaduwdruppelkorst?
The main threats to schaduwdruppelkorst 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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