Umbilicaria lambii Imshaug
Annotated by B. McCune, 2019.

Oregon: Deschutes County: Circa 27 miles northwest of Bend, McKenzie Pass. Lava beds within 100 meters of the Dee Wright Observatory. Elev. 5300 ft.
44.259253° N, 121.797834° W,
Datum: WGS 84. Uncertainty: 801 meters. Coordinate Source: Digital Map.
On basalt lava.¶¶Note added from E. Jacobson and B. McCune on 2019: sterile, but morphology and chemistry consis-terit with that. Plate 455 TLC: gyrophoric and lecanoric acids; gyrophoric acid satellite. Substrate: saxicolous.

Scott Sundberg 1503, Jul 16, 1982
WTU, Barcode: WTU-L-021279