Stereocaulon incrustatum
Stereocaulon incrustatum is a species of snow lichen belonging to the family Stereocaulaceae, which is typically found on its stems and can produce galls.
Forms and varieties:Stereocaulon incrustatum f. gracileStereocaulon incrustatum f. gracilisStereocaulon incrustatum f. incrustatumStereocaulon incrustatum var. abduanumStereocaulon incrustatum var. elaturnStereocaulon incrustatum var. ''incrustatum''