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.239795
urn:uuid:E77653AE-AD80-474E-BCE4-1FA3DA79FE30
Thomas A. Williams s.n. 30 May 1898
Ramalina calicaris var. fraxinea (L.) Mont.
United States, District of Columbia, Rock Creek

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.239794
urn:uuid:2ED53885-A9EC-4897-AF7D-E2B5D2DCAC30
Thomas A. Williams s.n. 30 May 1898
Ramalina fastigiata var. subampliata (Nyl.) Howe
United States, District of Columbia, Rock Creek

University of Wisconsin - Madison
Catalog #: WIS-L-0087781
Thomas A. Williams #s.n. 30 May 1898
Ramalina asperella (Nyl.) Howe
United States, District of Columbia, Rock Creek

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00035709
Thos. A. Williams #s.n. 30 May 1898
Ramalina fraxinea (L.) Ach.
USA, District of Columbia, Rock Creek.

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00035716
Thos. A. Williams #s.n. 30 May 1898
Ramalina fraxinea (L.) Ach.
USA, District of Columbia, Rock Creek.

Willard Sherman Turrell Herbarium, Miami University
Catalog #: 000160760
Williams, Thomas A. #s.n. 30 May 1898
Ramalina calicaris (L.) Fr.
United States, District of Columbia, Rock Creek