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Cladonia squamosa

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description Cladonia squamosa Overview

Cladonia squamosa is a widespread lichen identified by its densely scaled, upright podetia, often thriving on acidic soils and decaying wood in temperate forests worldwide.

help Cladonia squamosa FAQ

What are the scaled upright structures on Cladonia squamosa and what are they called?

The upright structures on C. squamosa are called podetia, and they are densely covered in small scales (squamules) that give the lichen a rough, shaggy appearance. These scaled podetia rise from a basal thallus of small leaf-like squamules on the ground or on decaying wood.

Where does Cladonia squamosa grow and what conditions does it prefer?

C. squamosa thrives on acidic soils and decaying wood in temperate forests worldwide, making it one of the more widespread Cladonia species. It is adapted to the nutrient-poor, acidic conditions found on rotting logs, forest floors, and exposed acidic ground.

How does Cladonia squamosa differ from Cladonia rangiferina, the reindeer lichen?

While C. rangiferina forms pale, branched, coral-like tufts without scales, C. squamosa has podetia densely covered in small scales that give it a distinctly shaggy appearance. The scaled podetia of C. squamosa make it readily distinguishable from the smooth-branched, grey-white struts of reindeer lichen.

Does Cladonia squamosa produce open cups on its podetia like some other Cladonia species?

C. squamosa typically does not form the open trumpet-shaped cups seen in species like C. pyxidata; instead, its podetia are covered in scales and may bear small brown apothecia at the tips. The densely scaled, non-cup-shaped podetia are a key identification feature for this species.

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