Roland Moberg and Eric Steen Hansen
The lichen genus Physcia and allied genera in Greenland

Abstract

Seven species of Physcia, six of Phaeophyscia and four of Physconia are reported from Greenland. Four taxa, Phaeophyscia kairamoi, P. nigricans, Physcia adscendens and Physconia enteroxantha are reported as new to the area.

Morphology, chemistry, distribution, habitat and ecology are discussed and a key to species is presented.

Distribution maps of all species are presented.