VU

Rinodina pityrea

Unknown

Overview

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

Rinodina pityrea faces severe decline due to air pollution, particularly nitrogen deposition and sulfur compounds that alter bark chemistry and disrupt the delicate chemical balance required for lichen survival. Habitat fragmentation from urban development and intensive forestry practices has reduced suitable host trees, while climate change is shifting precipitation patterns that affect the moisture regimes essential for this epiphytic species. The species' slow growth rate and limited dispersal ability make recovery from population losses extremely difficult.

Threat summary

Habitat

This epiphytic lichen grows on the bark of deciduous trees, particularly favoring mature specimens with stable bark chemistry in old-growth and semi-natural forests. It requires specific microclimate conditions with consistent moisture levels and clean air quality, typically found in undisturbed woodland environments.

TERRESTRIAL· major

Other threatened species in Physciaceae

EN

Rinodina disjuncta

Unknown
CR

Rinodina fimbriata

Unknown
VU

Hairy-spined shadow lichen

Phaeophyscia kairamoi

Unknown
VU

Powdered Fringe Lichen

Heterodermia speciosa

Unknown

Frequently asked questions

Why is Rinodina pityrea classified as Vulnerable?
Rinodina pityrea 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. Rinodina pityrea faces severe decline due to air pollution, particularly nitrogen deposition and sulfur compounds that alter bark chemistry and disrupt the delicate chemical balance required for lichen survival. Habitat fragmentation from urban development and intensive forestry practices has reduced suitable host trees, while climate change is shifting precipitation patterns that affect the moisture regimes essential for this epiphytic species. The species' slow growth rate and limited dispersal ability make recovery from population losses extremely difficult.
Where does Rinodina pityrea live?
Rinodina pityrea 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 Rinodina pityrea?
The main threats to Rinodina pityrea 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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