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
–
Substrate
on bark of Pinus sylvestris, with Bryoria fuscescens, Parmelia saxatilis and Pseudevernia furfuracea