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Lecanora muralis
Thallus placodioid (a crust with a lobed, almost foliose margin), pale- to brownish cream, greenish-grey or grey; apothecia with yellow- to grey- or red-brown discs, often crowded and becoming angular. On natural, bird-enriched rocks, and on concrete and other urban substrates; widespread and becoming very common in urban areas, less so in the north and west. On paving slabs often assumed to be discarded and trodden chewing gum.
On a granite-stone wall at the Sierra de Guadarrama, close to Madrid, at 100o metres over the sea level.
Camera Model: NIKON D300. Exposure Time: 1/80 sec. f/3.5 ISO Speed Rating: 200. Focal Length: 90.0 mm. Flash fired.
Spotted on Mar 4, 2012
Submitted on Mar 12, 2012
3 Comments
the fungi genus mollisia is also ascomycete: maybe they share the same origins !!
Right Alex, since the fungi are usually ascomycetes!
there you can really see, the relationship to fungi, the brown plates looks like some "mollisia"!!