''Stereocaulon incrustatum'' is a species of

snow lichen ''Stereocaulon'' is a genus of lichens. Members of ''Stereocaulon'' are commonly called snow lichens. Species *'' Stereocaulon alpinum'' *'' Stereocaulon apocalypticum'' *''Stereocaulon arcticum'' *''Stereocaulon arenarium'' *''Stereocaulo ...

belonging to the family

Stereocaulaceae The Stereocaulaceae are a family of lichen-forming fungi in the order Lecanorales. It contains five genera. Species of this family are widely distributed in temperate boreal and austral regions. Genera *'' Hertelidea'' – 6 spp. *''Lepraria ...

, which is typically found on its stems and can produce galls. Forms and varieties: * ''Stereocaulon incrustatum'' f. ''gracile'' * ''Stereocaulon incrustatum'' f. ''gracilis'' * ''Stereocaulon incrustatum'' f. ''incrustatum'' * ''Stereocaulon incrustatum'' var. ''abduanum'' * ''Stereocaulon incrustatum'' var. ''elaturn'' * ''Stereocaulon incrustatum'' var. ''incrustatum''

Ecology

''Stereocaulon incrustatum'' is a known host to the

lichenicolous fungus A lichenicolous fungus is a parasitic fungus that only lives on lichen as the host. A lichenicolous fungus is not the same as the fungus that is the component of the lichen, which is known as a lichenized fungus. They are most commonly specific t ...

species ''

Rhymbocarpus stereocaulorum ''Rhymbocarpus'' is a genus of lichenicolous ( lichen-dwelling) fungi in the family Cordieritidaceae. It has 10 species. The genus was circumscribed by German mycologist Friedrich Wilhelm Zopf in 1896, with ''Rhymbocarpus punctiformis'' assigned ...

''.

References

Stereocaulaceae Lichen species Lichens described in 1819 Taxa named by Heinrich Gustav Flörke {{Lecanorales-stub