VU

luddig stiftdynlav

Micarea hedlundii

Unknown

Overview

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

Micarea hedlundii faces severe pressure from air pollution, particularly nitrogen deposition and sulfur compounds that alter the chemistry of its bark substrates. Urban development and forest management practices that favor younger tree stands threaten the species by reducing availability of mature trees with suitable bark characteristics. Climate change compounds these pressures by altering precipitation patterns and increasing temperature stress on both the lichen and its host trees.

Threat summary

Habitat

This crustose lichen grows exclusively on the smooth bark of mature deciduous trees, particularly favoring species with slightly acidic bark chemistry in old-growth and semi-natural forest environments. It requires stable microclimatic conditions with consistent humidity levels and minimal air pollution exposure.

TERRESTRIAL· major

Other threatened species in Byssolomataceae

VU

schaduwdruppelkorst

Fellhanera subtilis

Unknown
VU

vaxdynlav

Micarea adnata

Unknown
VU

Byssoloma marginatum

Unknown
Scutula circumspectaCR

Scutula circumspecta

Unknown

Frequently asked questions

Why is luddig stiftdynlav classified as Vulnerable?
luddig stiftdynlav 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. Micarea hedlundii faces severe pressure from air pollution, particularly nitrogen deposition and sulfur compounds that alter the chemistry of its bark substrates. Urban development and forest management practices that favor younger tree stands threaten the species by reducing availability of mature trees with suitable bark characteristics. Climate change compounds these pressures by altering precipitation patterns and increasing temperature stress on both the lichen and its host trees.
Where does luddig stiftdynlav live?
luddig stiftdynlav 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 luddig stiftdynlav?
The main threats to luddig stiftdynlav 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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