Alaska Arctic Plant Communities

74. Umbilicaria spp.-Rhizocarpon geographicum

Bioclimate Subzone: E

Floristic Subprovince: Beringian Alaska

Substrate Chemistry: Nonacidic

Position along mesotopographic gradient: Dry exposed site

Summary of Habitat: Dry rocky lava, Beringian Alaska

Described from:

 

Common plant functional types and species:

Lichen: Umbilicaria spp.; Rhizocarpon geographicum; Cladina stellaris;

Dwarf shrub: Loiseleuria procumbens;