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.236114
urn:uuid:7FE3A369-478D-44ED-86DC-F024F996CC7B
Thomas A. Williams s.n. 00 May 1898
Mycoporum pyrenocarpum Nyl.
United States, District of Columbia, Takoma Park

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.236115
urn:uuid:1716FE18-8F02-4A28-95E6-3FBAED910C7C
Thomas A. Williams s.n. 00 May 1898
Mycoporum pyrenocarpum Nyl.
United States, District of Columbia, Takoma Park

University of Wisconsin - Madison
Catalog #: WIS-L-0087776
Thomas A. Williams #s.n. 00 May 1898
Mycoporum compositum (A. Massal.) R.C. Harris
United States, District of Columbia, Takoma Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00032123
Thos. A. Williams #1560 00 May 1898
Mycoporum compositum (A. Massal.) R.C. Harris
USA, District of Columbia, Takoma Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00032124
Thos. A. Williams #s.n. 00 May 1898
Mycoporum compositum (A. Massal.) R.C. Harris
USA, District of Columbia, Takoma Park

Willard Sherman Turrell Herbarium, Miami University
Catalog #: 000158586
Williams, Thomas A. #s.n. 00 May 1898
Mycoporum compositum (A. Massal.) R.C. Harris
United States, Maryland, Montgomery, Takoma Park; Takoma Park

Duke University Herbarium Lichen Collection
Catalog #: 299462
876bc009-cd5c-4e28-81c5-873d5455ae29
Williams, Thomas, A.; Snell, Ethel #s.n. 00 May 1898
Mycoporum compositum (A. Massal.) R.C. Harris
United States, Maryland, Montgomery Co., Takoma Park