A.B. Seymour and F.S. Earle [1-550, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1020665
s.n.
Uromyces euphorbiae Cooke & Peck
United States

USDA United States National Fungus Collections
Catalog #: BPI 1020666
s.n.
Uromyces euphorbiae Cooke & Peck
United States

University of Florida Herbarium
Catalog #: FLAS-F-04285
George P. Clinton s.n. 23 July 1890
Uromyces euphorbiae Cooke & Peck
United States, Illinois