Little known saxicolous species, similar to the epiphytic P. stellaris. It grows on various siliceous substrates, mainly at higher elevations. There is a single collection from the Czech Republic, from phyllites near Bitýška in southern Moravia, collected by J. Suza in 1942 (Nádvorník 1947). There are no recent findings.
Literature: Nádvorník J. (1947): Physciaceae Tchécoslovaques. – Studia Botanica Čechoslovaca 8: 69–124.taxonomic classification:
Ascomycota → Lecanoromycetes → Caliciales → Physciaceae → Physcia
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