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 #: 04440513
9cab98bd-d84c-46c9-8cce-261c69b4e4a7
s.n.
Collema ryssoleum (Tuck.) A.Schneid.

Academy of Natural Sciences of Drexel University - Lichens
Catalog #: PH00101454
L. A. Crocker #129 10 November 1894
Pyxine subcinerea Stirton
United States, Massachusetts, Barnstable, Brewster;

Montana State University Herbarium - Lichen
Catalog #: MONT-L-0006451
L.A. Crocker #129 10 November 1894
Ramalina rigida Pers. ex Ach.
United States, Massachusetts, Barnstable, Brewster

Field Museum of Natural History
Catalog #: C0066636F
1edc8863-0b8b-4c10-8e1a-6dba37ff4944
T. A. Williams #199 00 June 1897
Collema ryssoleum (Tuck.) Tuck.
U.S.A., Maryland, Sligo Creek

University of Michigan Herbarium
Catalog #: 102570
13b7d0c9-ac99-4dbb-be21-63f89bad9049
T. A. Williams #s. n. 00 June 1897
Collema ryssoleum (Tuck.) A. Schneider
United States, Maryland, no data, Sligo Creek

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT017071
T. A. Williams #s.n. 00 June 1897
Synechoblastus ryssoleus (Tuck.) Fink
United States of America, Maryland, Montgomery, Silgo Creek

Montana State University Herbarium - Lichen
Catalog #: MONT-L-0002199
Thomas A. Williams #s.n. 00 June 1897
Collema ryssoleum (Tuck.) A. Schneider
United States, Maryland, Montgomery, Silver Spring; Sligo Creek

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0014369
Thomas A. Williams #s.n. 00 June 1897
Collema ryssoleum (Tuck.) A. Schneider
United States, Maryland, Sligo Creek

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0014375
Thomas A. Williams #s.n. 00 June 1897
Collema ryssoleum (Tuck.) A. Schneider
United States, Maryland, Sligo Creek

California Academy of Sciences Lichen dataset
Catalog #: 489324
Williams, Thomas Albert #199 00 June 1897
Collema ryssoleum (Tuck.) A. Schneid.
United States, Maryland, Montgomery County, Along Sligo Creek