pudrad rosettlav
Physcia magnussonii
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Physcia_magnussonii
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Physcia magnussonii faces significant pressure from air pollution, particularly nitrogen deposition and sulfur compounds that alter the chemical composition of its bark substrates. Urban development and forest management practices that favor younger tree stands reduce the availability of mature trees with suitable bark chemistry. Climate change compounds these threats by altering precipitation patterns and humidity levels critical for this lichen's survival.
Habitat
This lichen species grows exclusively on the bark of mature deciduous trees, particularly favoring trees with nutrient-rich, base-rich bark in old-growth and semi-natural forests. It requires specific microclimate conditions with stable humidity and minimal air pollution exposure.
Other threatened species in Physciaceae
Frequently asked questions
Why is pudrad rosettlav classified as Vulnerable?
Where does pudrad rosettlav live?
What are the main threats to pudrad rosettlav?
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