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

USDA United States National Fungus Collections
Catalog #: BPI 435883
Ray W. W. s.n. 20 August 1942
Cercospora dubia
United States, Oklahoma, Perkins

USDA United States National Fungus Collections
Catalog #: BPI 435915
Ray W. W. s.n. 20 August 1942
Cercospora dubia
United States, Oklahoma, Perkins

USDA United States National Fungus Collections
Catalog #: BPI 435917
Ray W. W. s.n. 20 August 1942
Cercospora dubia
United States, Oklahoma, Perkins

Cornell University Plant Pathology Herbarium
Catalog #: C.H.OK-0075
Ray, William Winfield s.n. 20 August 1942
Cercospora dubia
USA, Oklahoma, Payne, Perkins