Arthothelium dispersum (DC.) Mudd
Annotated by Herre.

Alaska: Wrangell Petersburg: Washington Bay, Kuiu. Island.
56.721158° N, 134.366527° W,
Datum: WGS 84. Uncertainty: 1722 meters. Coordinate Source: Digital Map.
On bark of Alnus oregona. Substrate: corticolous.

W. J. Eyerdaw [?] 821, Jun 14, 1950
WTU, Barcode: WTU-L-006557