Catalogue no.:	L-1206223
Taxon:	Arthonia didyma Körb.
Label:	Arthonia didyma
Family:	Lichenes
Collector:	Clifford M. Wetmore
Collector no.:	30657
Date:	1977 09 11
Country:	United States
Province:	Minnesota
Locality:	Alder swamp N of Skibo Vista 8 miles southeast of Hoyt Lakes
Habitat:	Alder mixed with orher shruba and Thuja. On Thuja