The lichen genusStereocaulonin Antarctica and South Georgia

摘要

Six species ofStereocaulonand one unnamed taxon (close toS. glabrum) are reported from South Georgia, the maritime Antarctic islands and Antarctic Peninsula.S. caespitosumis new to the western sub-Antarctic. Variations in morphology and secondary chemistry are provided, and the ecology and geographical distribution in the sub-Antarctic and Antarctic biomes are given for each taxon.