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- Image author: Ulrich Kirschbaum ©
- On calcareous rocks (Zechstein). Thallus without soredia, consisting of a rosette of small and overlapping basal squamules; squamules adpressed, small and poorly intended; podetia up to 15 mm, surface granular to warted (also in the cups); cups wide. Thallus Pd+ red. (The similar Cl. pyxidata has no overlapping and rosette-forming squamules).
- Central Europe; Germany: Hesse.
- Original image
- Website: Lichen images