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

New York Botanical Garden
Catalog #: 4440518
d00392eb-db21-401a-958a-aebb30f59d18
s.n.
Arthonia quintaria Nyl.

University of Michigan Herbarium
Catalog #: 74985
95ecbb86-3ac9-4168-af44-82f4a55a8078
T. A. Williams #s. n. 00 October 1897
Arthonia quintaria Nyl.
United States, Washington, D.C., no data, Takoma Park

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT017443
T. A. Williams #s.n. 00 December 1897
Arthonia quintaria Nyl.
United States of America, District of Columbia, Takoma Park, D.C.

Field Museum of Natural History
Catalog #: C0096702F
794b464d-236a-4977-af85-4caa1bfd49b9
T. A. Williams #s.n. 00 December 1897
Arthonia quintaria Nyl.
U.S.A., District of Columbia, Washington; Washington, Takoma Park

Field Museum of Natural History
Catalog #: C0096704F
9ef91e36-461b-4934-82a4-6cff388a8112
T. A. Williams #s.n. 00 December 1897
Arthonia quintaria Nyl.
U.S.A., District of Columbia, Washington; Washington, Takoma Park

Field Museum of Natural History
Catalog #: C0096703F
766008c4-ea8f-4edf-b7fb-df948028a998
T. A. Williams #s.n. 00 December 1897
Arthonia quintaria Nyl.
U.S.A., District of Columbia, Washington; Washington, Takoma Park

Academy of Natural Sciences of Drexel University - Lichens
Catalog #: PH00102171
Thomas A. Williams #132 00 November 1895
Staurothele diffractella (Nyl.) Tuck.
United States, Nebraska, Cass, Weeping Water;

Montana State University Herbarium - Lichen
Catalog #: MONT-L-0007026
Thos. A. Williams #132 00 November 1895
Endocarpon diffractellum (Nyl.) Gueidan & Cl. Roux
United States, Nebraska, Cass, Weeping Water

Montana State University Herbarium - Lichen
Catalog #: MONT-L-0000278
Thos. A. Williams #s.n. 00 October 1897
Arthonia quintaria Nyl.
United States, District of Columbia, Takoma Park, D.C.

Private Herbarium of T. L. Esslinger Herbarium
Catalog #: 0014212
Thos. A. Williams #s.n. 00 November 1897
Arthonia quintaria Nyl.
United States, Maryland, Takoma Park, D. C.

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0002197
Thos. A. Williams #s.n. 00 October 1897
Arthonia quintaria Nyl.
United States, District of Columbia, Takoma Park

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0002215
Thos. A. Williams #s.n. 00 December 1897
Arthonia quintaria Nyl.
United States, District of Columbia, Takoma Park