Acarospora stapfiana (Müll. Arg.) Hue
Remarks: ID certainty: certain

Idaho: Lemhi County: Sinkhole Alley, 13 miles SE of Salmon, Idaho, near Kadletz Creek S of the road. Elev. 4500 ft.
45.0649986° N, -113.7099991° W; T20N R23E S10
Datum: WGS84.
Barren benthene clay soil. Surrounded by Wyoming sagebrush and shadscale habitat. Filed under 4516a Caloplaca trachyphylla (also with 4516c Xanthoria elegans) Det: McCune 1991. Substrate: Saxicolous.

Roger Rosentreter 4516b, Jul 7, 1987
RR, Barcode: SRP-L-0003186