Arthonia stereocaulina

Arthonia stereocaulina has been reported from Alaska, Canada, Iceland, Russia and Svalbard. ==Host species==

As the name suggests, Arthonia stereocaulina infects lichens of the genus Stereocaulon. Known host species are: • Stereocaulon alpinum • Stereocaulon arcticum • Stereocaulon botryosum • Stereocaulon capitellatum • Stereocaulon depressum • Stereocaulon glareosum • Stereocaulon groenlandicum • Stereocaulon intermedium • Stereocaulon myriocarpum • Stereocaulon paschale • Stereocaulon rivulorum • Stereocaulon saxatile • Stereocaulon tomentosum ==References==