Catalogue no.:	L-1206579
Taxon:	Arthonia diffusella Fink ex J.Hedrick
Label:	Arthonia diffusella
Family:	Lichenes
Collector:	Clifford M. Wetmore
Collector no.:	28686
Date:	1977 07 12
Country:	Canada
Province:	Ontario
Locality:	Slate Islands, Patterson Island, around old lumber camp on McGreevy Harbour
Habitat:	Along shore and in swamps. On mountain maple