Hale, Lich. Amer. Exs. [Washington, D.C.]
Mason Ellsworth Hale, Jr. [76-250]
IndExs #545270400

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0025313
Laurel Wirth #L 56943 19 March 1966
Letharia columbiana (Nutt.) J.W. Thomson
United States, Montana, Carbon, vicinity of Red Lodge, Grizzly Peak

University of Wisconsin - Madison
Catalog #: WIS-L-0111554
Laurel Wirth #s.n. 19 March 1966
Letharia columbiana (Nutt.) J.W. Thomson
United States, Montana, Carbon, Vicinity Red Lodge, Grizzly Peak.

Duke University Herbarium Lichen Collection
Catalog #: 302946
c0eb9a46-fa34-11e2-a92b-005056000560
Wirth, Laurel #s.n. 19 March 1966
Letharia columbiana (Nutt.) J.W. Thomson
United States, Montana, Carbon Co., Vicinity of Red Lodge, Grizzly Peak