Pannaria hookeri (Borrer ex Sm.) Nyl. ?

Washington: Whatcom County: North of Twin Sisters Mountain. Elev. 4000-4500 ft.
48° 45' N, 122° W
Coordinate Source: Specimen label.
Exposed. Slope: 30 degrees. West aspect. Fertile. Additional notes present. Substrate: terricolous.

B. D. Ryan 5327, Aug 25, 1979
WTU, Barcode: WTU-L-003090