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

New York Botanical Garden
Catalog #: 4440588
24a64f97-eb54-4442-a4ce-7702701cece2
s.n.
Placodium murorum (Hoffm.) DC.

Field Museum of Natural History
Catalog #: C0350399F
19f3faa2-b3a8-4eb6-9ac4-187d43001351
C. E. Cummings #278 / #64A 00 March 1900
Caloplaca scopularis (Nyl.) Lettau
U.S.A., Massachusetts, Essex, Rockport; Rockport

University of Michigan Herbarium
Catalog #: 78868
b76e0356-b827-4e7d-b0be-438cb28aec26
C. E. Cummings #s. n. 00 March 1900
Caloplaca scopularis (Nyl.) Lettau
United States, Massachusetts, Essex, Rockport

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT017637
C. E. Cummings #s.n. 00 March 1900
Caloplaca murorum (Hoffm.) Th. Fr.
United States of America, Massachusetts, Essex, Rockport; Rockport

Field Museum of Natural History
Catalog #: C0057747F
ae29f753-5cc8-48bd-9ba4-a8dfe3799517
C. E. Cummings #s.n. 00 March 1900
Caloplaca saxicola (Hoffm.) Nordin
U.S.A., Massachusetts, Essex, Rockport; Rockport

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.240200
urn:uuid:C5764EC0-BE54-4472-A3A2-AFA96C00C0E8
Clara E. Cummings s.n. 00 March 1900
Caloplaca murorum (Hoffm.) Th. Fr.
United States, Massachusetts, Essex, Rockport; Rockport

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0006539
Clara E. Cummings #L 74626 00 March 1900
Caloplaca schaereri (Flörke) Zahlbr.
United States, Massachusetts, Rockport

Montana State University Herbarium - Lichen
Catalog #: MONT-L-0000865
Clara E. Cummings #s.n. 00 March 1900
Caloplaca saxicola (Hoffm.) Nordin
United States, Massachusetts, Essex, Rockport

Montana State University Herbarium - Lichen
Catalog #: MONT-L-0000946
Clara E. Cummings #s.n. 00 March 1900
Caloplaca saxicola (Hoffm.) Nordin
United States, Massachusetts, Essex, Rockport

University of California Berkeley, University Herbarium
Catalog #: UC1941800
1511c956-fe04-4219-adba-a641ab1ec992
Clara E. Cummings #s.n. 00 March 1900
Caloplaca saxicola (Hoffm.) Nordin
United States, Massachusetts, Essex, Rockport

University of Wisconsin - Madison
Catalog #: WIS-L-0086708
Clara E. Cummings #s.n. 00 March 1900
Caloplaca murorum (Hoffm.) Th. Fr.
United States, Massachusetts, Essex, Rockport

Montana State University Herbarium - Lichen
Catalog #: MONT-L-0007174
Thomas A. Williams #208 00 January 1898
Trapelia coarctata (Sm.) Choisy
United States, Maryland, Montgomery, Takoma Park, D.C.