Lecidea congesta Fink
Annotated by Bonnie M. Tucker.

Washington: Whatcom County: Sulphur Creek Lava Flow. 2.6 miles northwest of junction South Fork of the Nooksack road (United States Forest Service road 3725) and Baker Lake Road. 13 miles north of Concrete. Elev. 1700 ft.
T37N R8E S22
Datum: NAD 27. Uncertainty: 805 meters. Coordinate Source: TRS2LL.
Low elevation subalpine fir forest. On basaltic rock cliff. Substrate: saxicolous.

B. M. Tucker 1027, May 16, 1981
With B. E. Tucker
WTU, Barcode: WTU-L-014705