Cummings, Williams & Seymour, Lich. Bor.-Amer. [Wellesley (Massachusetts)]
Cummings, C.E.; Williams, T.A.; Seymour, A.B. [1-280]
IndExs #238641321

University of Michigan Herbarium
Catalog #: 109444
8d5332ee-463e-4817-aedd-a746d809bb6a
T. A. Williams #s. n. 23 January 1898
Lecidea erratica Körb.
United States, Washington, D.C., no data, Takoma Park

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT016095
T. A. Williams #s.n. 23 January 1898
Lecidea cyrtidea Tuck.
United States of America, District of Columbia, Washington, D. C.; Takoma Park

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0022415
Thomas A Williams #s.n. 23 January 1898
Leimonis erratica (Körb.) R.C. Harris & Lendemer
United States, District of Columbia, Montgomery, Takoma Park, D.C.

University of California Berkeley, University Herbarium
Catalog #: UC1939718
43c1995a-2183-4095-8a20-adb145f7306c
Thomas A. Williams #212 23 January 1898
Lecidea Ach.
United States, Maryland, Takoma Park, D.C.

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0022397
Thos. A. Williams #s.n. 23 January 1898
Leimonis erratica (Körb.) R.C. Harris & Lendemer
United States, District of Columbia, Montgomery, Takoma Park