H.G. Winter [2601-3600, plus extras]

Academy of Natural Sciences of Drexel University
Catalog #: PH00310911
C. H. Demetrio #s.n.
Cercospora polygonorum Cooke
USA, Missouri, Perry, Near Perryville

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0078829
C.H. Demetrio s.n.
Cercospora polygonorum Cooke
USA, Missouri, Perry, Perryville;

Academy of Natural Sciences of Drexel University
Catalog #: PH00310912
F. S. Earle #s.n. 00 September 1883
Cercospora polygonorum Cooke
USA, Illinois, Union, Prope Cobden