H.G. Winter [2601-3600, plus extras]
USDA United States National Fungus Collections
s.n.
Helminthosporium ravenelii M.A. Curtis ex Berk.
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Iowa State University, Ada Hayden Herbarium
F.S. Earle #4397
Helminthosporium ravenelii M.A. Curtis ex Berk.
USA, Mississippi, Jackson, Ocean Springs;
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