Jaca, Candanchu, valley of river "Rio de Canal Roya" (left tributary to the river Rio Aragón), aroun the hut "Refugio de la Canal Roya", alt. 1550-2000 m
Habitat
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Substrate
on conglomerate rock, with Lecidella carpathica, Rhizocarpon geminatum, Endoccocus, Muelerella, Lecidea auriculata,…