J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-1482
P. L. Ricker s.n. 12 October 1900
Cronartium asclepiadeum (Willd.) Fr.
United States, Maine, Penobscot, Orono;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00049155
P. L. Ricker s.n. 12 October 1900
Cronartium asclepiadeum (Willd.) Fr.
United States, Maine, Orono;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000245519
P. L. Ricker #1482 12 October 1900
Cronartium comptoniae Arthur
United States, Maine

University of Michigan Herbarium
Catalog #: 253294
P. L. Ricker #s. n. 12 October 1900
Cronartium asclepiadeum (Willd.) Fr.
USA, Maine, Orono, [No data]

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0001201
P. L. Ricker #s.n. 12 October 1900
Cronartium comptoniae Arthur
United States, Maine, Orono;

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0004360
P.L. Ricker s.n. 12 October 1900
Cronartium asclepiadeum . .
United States, Maine, Orono;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0221293
P.L. Ricker s.n. 12 October 1900
Cronartium asclepiadeum (Willd.) Fr.
United States, Maine, Orono;

Brown University Herbarium
Catalog #: CBRU00003005
PL Ricker s.n. 12 October 1900
Cronartium asclepiadeum (Willd.) Fr.
United States, Maine, Penobscot, Orono;