Cummings, Williams & Seymour, Dec. N. Amer. Lich. [Wellesley (Massachusetts)]
Clara Eaton Cummings, Thomas Albert Williams & Arthur Bliss Seymour [151-360]
IndExs #826153814

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.238267
urn:uuid:2B8C0A11-6835-42DD-858B-36711DAAAA7F
Thomas A. Williams s.n. 00 April 1898
Pertusaria pustulata (Ach.) Duby
United States, District of Columbia, Takoma Park

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.238268
urn:uuid:E795DF6B-71BE-49E6-A6D5-F0889C03E76B
Thomas A. Williams s.n. 00 April 1898
Pertusaria pustulata (Ach.) Duby
United States, District of Columbia, Takoma Park

University of Wisconsin - Madison
Catalog #: WIS-L-0087771
Thomas A. Williams #s.n. 00 April 1898
Pertusaria pustulata (Ach.) Duby
United States, District of Columbia, Takoma Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00034111
Thos. A. Williams #s.n. 00 April 1898
Pertusaria pustulata (Ach.) Duby
USA, District of Columbia, Takoma Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00034114
Thos. A. Williams #s.n. 00 April 1898
Pertusaria pustulata (Ach.) Duby
USA, District of Columbia, Takoma Park.

Willard Sherman Turrell Herbarium, Miami University
Catalog #: 000159588
Williams, Thomas A. #s.n. 00 April 1898
Pertusaria pustulata (Ach.) Duby
United States, Maryland, Montgomery, Takoma Park; Takoma Park