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.236205
urn:uuid:939CC436-48C7-46B6-B230-F340916BA0D4
Thomas A. Williams s.n. 00 May 1898
Arthonia punctiformis Ach.
United States, District of Columbia, Takoma Park

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.236206
urn:uuid:5F0042E0-6E38-41E1-9236-CDF904C95D41
Thomas A. Williams s.n. 00 May 1898
Arthonia punctiformis Ach.
United States, District of Columbia, Takoma Park

University of Wisconsin - Madison
Catalog #: WIS-L-0087779
Thomas A. Williams #s.n. 00 May 1898
Arthonia punctiformis Ach.
United States, District of Columbia, Takoma Park

California Academy of Sciences
Catalog #: 447179
Thomas A. Williams #s.n. 00 May 1898
Arthonia punctiformis Ach.
United States, District of Columbia, Takoma Park

California Academy of Sciences
Catalog #: 447180
Thomas A. Williams #s.n. 00 May 1898
Arthonia punctiformis Ach.
United States, District of Columbia, Takoma Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00025158
Thos. A. Williams #s.n. 00 May 1898
Arthonia puntiformis
USA, District of Columbia, Takoma Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00025159
Thos. A. Williams #s.n. 00 May 1898
Arthonia puntiformis
USA, District of Columbia, Takoma Park

Willard Sherman Turrell Herbarium, Miami University
Catalog #: 000201767
Williams, Thomas A. #s.n. 00 May 1898
Arthonia punctiformis Ach.
United States, Maryland, Montgomery, Takoma Park; Takoma Park