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 #: 4440526
c8c99684-2de9-4b31-8cc2-10e48d5a7653
s.n.
Pertusaria pustulata (Ach.) Duby

Academy of Natural Sciences of Drexel University - Lichens
Catalog #: PH00116510
Clara Eaton Cummings #141 04 April 1896
Cyphelium bolanderi (Tuck.) Zahlbr.
United States, California, San Diego, San Diego

University of Michigan Herbarium
Catalog #: 119456
eced6314-ab27-423e-bb7b-ca7b2272a473
T. A. Williams #s. n. 00 April 1898
Pertusaria pustulata (Ach.) Duby
United States, Washington, D.C., no data, Takoma Park

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT016569
T. A. Williams #s.n. 00 April 1898
Pertusaria pustulata (Ach.) Duby
United States of America, District of Columbia, Takoma Park

University of California Berkeley, University Herbarium
Catalog #: UC1939993
08ef85c1-e468-4dc8-b83a-227413d0870e
Thomas A. Williams #43082 00 April 1898
Pertusaria pustulata (Ach.) Duby
United States, Maryland, Montgomery, Takoma Park, D.C.

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00034108
Thos. A. Williams #=N.A.L. 281 00 April 1898
Pertusaria pustulata (Ach.) Duby
USA, District of Columbia, Takoma Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00034116
Thos. A. Williams #=N.A.L. 281 00 April 1898
Pertusaria pustulata (Ach.) Duby
USA, District of Columbia, Takoma Park.

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0032798
Thos. A. Williams #s.n. 00 April 1898
Pertusaria pustulata (Ach.) Duby
United States, District of Columbia, Montgomery, Takoma Park

Duke University Herbarium Lichen Collection
Catalog #: 312141
c2251b9d-fa34-11e2-a92b-005056000560
Williams, Thomas, A. #s.n. 00 April 1898
Pertusaria texana Müll.Arg.
United States, Maryland, Montgomery Co., Takoma Park