Scaly Breck-lichen
Squamarina lentigera
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
The Scaly Breck-lichen faces severe decline due to habitat destruction from agricultural intensification and urban development across its limited range in European grasslands. Air pollution, particularly nitrogen deposition from agricultural runoff and industrial emissions, fundamentally alters the soil chemistry that this ground-dwelling lichen requires. Climate change compounds these pressures by increasing drought frequency and temperature extremes that exceed the species' narrow tolerance range.
Habitat
This rare lichen species inhabits calcareous grasslands and sandy heathlands, typically growing on bare soil or among sparse vegetation in areas with specific soil chemistry requirements. It is particularly associated with ancient grassland systems and Breckland habitats characterized by nutrient-poor, well-drained soils.
Other threatened species in Stereocaulaceae
Frequently asked questions
Why is Scaly Breck-lichen classified as Endangered?
Where does Scaly Breck-lichen live?
What are the main threats to Scaly Breck-lichen?
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