Seirophora contortuplicata (Ach.) Fröden
Remarks: ID certainty: certain

Montana: Madison County: Trudeau Lake, warm springs area South of Alder, Montana. Elev. 5500 ft.
45.2299995° N, -112.1299973° W; T7S R5W S7
Datum: WGS84.
Calcareous rocks of Trudau Lake, warm springs area On calcareous rock. On limestone, occurring on overhanging cracks. Coll: Klaus Lackschewitz, s.n. Det: J. Poelt, 3 Jan 1983. Syn=Teleoschistes contortuplicatus. Substrate: Saxicolous.

Roger Rosentreter 2864, Aug 20, 1982
RR, Barcode: SRP-L-0001249