Cummings, Williams & Seymour: Lich. Bor.-Amer.
Francis W. Pennell [1-280]

Oregon State University Herbarium - Lichens
Catalog #: 103131
fe2457ca-1446-43ea-afd9-3788ea6bbd73
D. Griffiths s.n. 18 September 1898
Hydrothyria venosa J.L. Russell
United States, Montana, Missoula, Granite Hot Springs