Department of Botany and Plant Pathology, Oklahoma Agriculture and Mech. College

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0062693
H. S. Jackson #s.n. 20 September 1929
Uromyces polygoni-avicularis (Pers.) G.H. Otth
Canada, Ontario, Near Humber River, at Bloor St., W. of Tonorto