Ellis & Everhart, N. Amer. Fungi. Ser. II
J.B. Ellis ; B.M. Everhart [1501-3600, plus extras]

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0255167
C. H. Demetrio s.n. 00 July 1889
Uromyces trifolii
United States, Colorado, in a wet mountain valley

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000228290
C. H. Demetrio #1875b 00 July 1889
Uromyces trifolii
USA, Colorado

Academy of Natural Sciences of Drexel University
Catalog #: PH00320289
C. H. Demetrio #s.n 00 July 1889
Uromyces trifolii D.C.
United States, Colorado

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0088686
C. H. Demetrio #s.n 00 July 1889
Uromyces trifolii D.C.
United States, Colorado