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

Willard Sherman Turrell Herbarium, Miami University
Catalog #: 000004126
Howe, Marshall A. #s.n. 12 April 1893
Leptogium tenuissimum (Dickson) Körb.
United States, California, Marin, Mt. Tamalpais

Duke University Herbarium Lichen Collection
Catalog #: 298760
a835fef0-b784-4072-b600-f137e2483822
Howe, Marshall, A. #s.n. 12 April 1893
Leptogium tenuissimum (Dickson) Körb.
United States, California, Marin Co., Mount Tamalpais

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.236741
urn:uuid:D56FFD2C-AB74-4691-A88B-79AB87F69000
Marshall A. Howe s.n. 12 April 1893
Leptogium tenuissimum (Dickson) Körb.
United States, California, Marin, Mt. Tamalpais

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00031722
Marshall A. Howe #s.n. 12 April 1893
Leptogium tenuissimum (Dickson) Körb.
USA, California, Marin, Mt. Tamalpais

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00031724
Marshall A. Howe #s.n. 12 April 1893
Leptogium tenuissimum (Dickson) Körb.
USA, California, Marin, Mt. Tamalpais

University of Wisconsin - Madison
Catalog #: WIS-L-0087683
Marshall A. Howe #s.n. 12 April 1893
Scytinium tenuissimum (Dickson) Otálora, P.M. Jørg. & Wedin
United States, California, Marin, Mt. Tamalpais