H.W. Ravenel and M.C. Cooke [1-800, plu extras]

Cornell University, Plant Pathology Herbarium
Catalog #: Rav.,F.Amer.0066
s.n.
Cercospora polygonorum Cooke
United States, South Carolina, Aiken, Aiken;

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0078837
H.W. Ravenel #66
Cercospora polygonorum Cooke
USA, South Carolina, Aiken;