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Physcia sp. + Xanthoria elegans + Candelariella auriella + Acarospora sp.
Lichens tend to form communities where different species appear together sharing the same niches depending on environmental and ecological parameters. In this case is a common one on limestone and it is composed of Physcia sp., maybe P. dubia (2nd picture), Xanthoria elegans (pic. 3), Candelariella auriella (pict. 4) and Acarospora sp. , maybe A. macrospora (pict. 5) and some more.
Calcareous rock forming part of the main tower of Alcazar de Segovia http://en.wikipedia.org/wiki/Alc%C3%A1za...
Spotted on May 1, 2012
Submitted on Jun 21, 2012
2 Comments
Thanks Alex, you are very kind.
again nice capture
nothing less expected from you !!
:)