Stereocaulon

Stereocaulon is a genus of lichens. Members of Stereocaulon are commonly called rock foam lichens. partners of Stereocaulon include green algae from the genera Asterochloris, Chloroidium, and Vulcanochloris. Stereocaulon is difficult to ID to species, but there is a high diversity of species within the genus.

==Species== The following species are assigned to this genus: Stereocaulon alpinum Stereocaulon apocalypticum Stereocaulon arcticum Stereocaulon arenarium Stereocaulon areolatum Stereocaulon argus Stereocaulon austroshetlandicum Stereocaulon botryosum Stereocaulon caespitosum Stereocaulon capitellatum Stereocaulon cephalocrustatum Stereocaulon compactum Stereocaulon condensatum Stereocaulon corticatulum Stereocaulon cumulatum Stereocaulon cymosum Stereocaulon dactylophyllum Stereocaulon delisei Stereocaulon depressum Stereocaulon evolutum Stereocaulon exalbidum Stereocaulon exutum Stereocaulon fecundum Stereocaulon glareosum Stereocaulon grande Stereocaulon gregarium Stereocaulon groenlandicum Stereocaulon heardii Stereocaulon hypothallinum Stereocaulon incrustatum Stereocaulon intermedium Stereocaulon kangdingense Stereocaulon klondikense Stereocaulon leucophaeopsis Stereocaulon magellanicum Stereocaulon myriocarpum Stereocaulon nanodes Stereocaulon nivale Stereocaulon oregonense Stereocaulon paschale Stereocaulon pileatum Stereocaulon plicatile Stereocaulon ramulosum Stereocaulon rivulorum Stereocaulon saxatile Stereocaulon sorediiphyllum Stereocaulon soufrieranum Stereocaulon spathuliferum Stereocaulon subcoralloides Stereocaulon symphycheilum Stereocaulon tomentosum Stereocaulon tornense Stereocaulon trachyphloeum Stereocaulon vesuvianum