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 #: 4440525
b07974b0-8f60-4557-b33e-95acb09350dd
s.n.
Cetraria aleurites var. placorodia Ach.

Field Museum of Natural History
Catalog #: C1000166F
4a37ec8a-5d1f-4023-b0fa-c5ce038f53d4
T. A. Williams #210 00 March 1898
Imshaugia aleurites (Ach.) S. L. F. Mey.
U.S.A., District of Columbia, Rock Creek

Field Museum of Natural History
Catalog #: C1000172F
c640cefb-ecac-488a-8e53-a8afd57022d6
T. A. Williams #210 00 March 1898
Imshaugia aleurites (Ach.) S. L. F. Mey.
U.S.A., District of Columbia, Rock Creek

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT016457
T. A. Williams #s.n. 00 March 1898
Parmeliopsis placorodia (Ach.) Nyl.
United States of America, District of Columbia, Rock Creek

University of California Berkeley, University Herbarium
Catalog #: UC1941890
de0ccdc6-3b36-47a2-9e24-dabf620b48bf
Thomas A. Williams #s.n. 00 March 1898
Imshaugia aleurites (Ach.) S. F. Meyer
United States, Maryland, Rock Creek

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00026570
Thos. A. Williams #=N.A.L. 280 00 March 1898
Cetraria aleurites (Ach.) Th. Fr.
USA, District of Columbia, Rock Creek.

Oregon State University Herbarium
Catalog #: 101782
Thos. A. Williams #N. A. L. 280 00 March 1898
Parmeliopsis placorodia (Ach.) Nyl.
United States, District of Columbia, Rock Creek, D.C.

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0019560
Thos. A. Williams #s.n.
Imshaugia aleurites (Ach.) S. F. Meyer
United States, District of Columbia, Montgomery, Rock Creek