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H.W. Ravenel and M.C. Cooke [1-800, plu extras]
Cornell University Plant Pathology Herbarium
Catalog #: Rav.,F.Amer.0167
s.n.
Helminthosporium sorghi Schwein.
United States
USDA United States National Fungus Collections
Catalog #: BPI 1002628
s.n.
Helminthosporium sorghi Cooke
United States
USDA United States National Fungus Collections
Catalog #: BPI 1003433
s.n.
Helminthosporium sorghi Cooke
United States
University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00055314
H. W. Ravenel s.n.
Helminthosporium sorghi Schwein.
United States, South Carolina, Aiken, Aiken;
USDA United States National Fungus Collections
Catalog #: BPI 430300
Ravenel H. W. s.n.
Helminthosporium cookei Sacc.
United States, South Carolina, Aiken