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.236210
urn:uuid:39BD4282-311B-452B-ADDF-B9C08A0212B8
Thomas A. Williams s.n. 00 October 1897
Arthonia quintaria Nyl.
United States, District of Columbia, Takoma Park

University of Wisconsin - Madison
Catalog #: WIS-L-0087758
Thomas A. Williams #s.n. 00 October 1897
Arthonia quintaria Nyl.
United States, District of Columbia, Takoma Park

California Academy of Sciences
Catalog #: 447184
Thomas A. Williams #s.n. 00 October 1897
Arthonia quintaria Nyl.
United States, District of Columbia, Takoma Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00025174
Thos. A. Williams #s.n.
Arthonia quintaria Nyl.
USA, District of Columbia, Takoma Park.

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00025175
Thos. A. Williams #s.n.
Arthonia quintaria Nyl.
USA, District of Columbia, Takoma Park

Willard Sherman Turrell Herbarium, Miami University
Catalog #: 000201774
Williams, Thomas A. #s.n. 00 October 1897
Arthonia quintaria Nyl.
United States, Maryland, Montgomery, Takoma Park; Takoma Park