H.W. Ravenel and M.C. Cooke [1-800, plu extras]
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Cornell University Plant Pathology Herbarium
Catalog #: Rav.,F.Amer.0616
s.n.
Helminthosporium petersii Berk. & M.A. Curtis
United States
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USDA United States National Fungus Collections
Catalog #: BPI 1003982
s.n.
Helminthosporium petersii Berk. & M.A. Curtis
United States
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USDA United States National Fungus Collections
Catalog #: BPI 439594
Ravenel H. W. s.n.
Cercospora petersii (Berk. & M.A. Curtis) G.F. Atk.
United States, South Carolina, Aiken
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