Cummings, Williams & Seymour, Lich. Bor.-Amer. [Wellesley (Massachusetts)]
Cummings, C.E.; Williams, T.A.; Seymour, A.B. [1-280]
IndExs #238641321

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.237408
urn:uuid:7169D643-D527-4C92-8178-887164C902CC
R. S. Williams s.n. 00 April 1893
Lecidea russellii Tuck.
United States, Montana, Flathead, Columbia Falls

Oregon State University Herbarium
Catalog #: 99152
R. S. Williams #N. A. L. 185 00 April 1893
Psora russellii (Tuck.) A. Schneider
United States, Montana, Flathead, Columbia Falls; Columbia Falls, Mont.

University of Michigan Herbarium
Catalog #: 109594
ca789691-7982-4185-8009-47b893ec5e74
R. S. Williams #s. n. 00 April 1893
Lecidea globifera Ach.
United States, Montana, Flathead, Columbia Falls

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT016769
R. S. Williams #s.n. 00 April 1893
Psora nipponica (Zahlbr.) Gotth. Schneider
United States of America, Montana, Flathead, Columbia Falls;

Private Herbarium of T. L. Esslinger Herbarium
Catalog #: 0006984
R. S. Williams #s.n. 00 April 1893
Psora tuckermanii R. Anderson ex Timdal
United States, Montana, Flathead, Columbia Falls

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00035232
R.S. Williams s.n. 00 April 1893
Psora russellii (Tuck.) A. Schneider
USA, Montana, Columbia Falls

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0037446
R.S. Williams #s.n. 00 April 1893
Psora nipponica (Zahlbr.) Gotth. Schneider
United States, Montana, Flathead, Columbia Falls

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0037476
R.S. Williams #s.n. 00 April 1893
Psora nipponica (Zahlbr.) Gotth. Schneider
United States, Montana, Flathead, Columbia Falls

Cornell University Plant Pathology Herbarium
Catalog #: CUP-L-0004841
Williams #s.n.
Psora russellii (Tuck.) A. Schneider
United States