Cummings & Seymour, Dec. N. Amer. Lich. [Wellesley (Massachusetts)]
Clara Eaton Cummings, T.A. Williams & Arthur Bliss Seymour [1-150]
IndExs #938157617

New York Botanical Garden
Catalog #: 04440334
a96a4c3e-b943-4037-a926-97d555a9591b
s.n.
Physcia pulverulenta (Schreb.) Nyl.

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0034909
Albert R. Sweetser #L 46649 00 December 1899
Physconia americana Essl.
United States, Oregon, Forest Grove

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00034422
Albert R. Sweetser #s.n. 00 December 1899
Physcia pulverulenta (Schreb.) Hampe ex Fürnr.
USA, Oregon, Forest Grove.

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00034429
Albert R. Sweetser #s.n. 00 December 1899
Physcia pulverulenta (Schreb.) Hampe ex Fürnr.
USA, Oregon, Forest Grove.

University of California Berkeley, University Herbarium
Catalog #: UC1939943
289cc00d-5363-4495-aba2-4a8f1b3fb445
Albert R. Sweetser #s.n. 00 December 1899
Physconia americana Essl.
United States, Oregon, Washington, Forest Grove

University of Wisconsin - Madison
Catalog #: WIS-L-0150155
Albert R. Sweetser #s.n. 00 December 1899
Physconia pulverulenta (Hoffm.) Poelt
United States, Oregon, Washington, Forest Grove

Duke University Herbarium Lichen Collection
Catalog #: 132241
b8a8c5b6-fa34-11e2-a92b-005056000560
Sweetser, Albert, R. #s.n. 00 December 1899
Physconia americana Essl.
United States, Oregon, Washington Co., Forest Grove

Duke University Herbarium Lichen Collection
Catalog #: 132242
b9ee44b2-fa34-11e2-a92b-005056000560
Sweetser, Albert, R. #s.n. 00 December 1899
Physconia americana Essl.
United States, Oregon, Washington Co., Forest Grove