H.W. Ravenel and M.C. Cooke [1-800, plu extras]
USDA United States National Fungus Collections
s.n.
Sphaeria ludwigiae Cooke
United States
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USDA United States National Fungus Collections
s.n.
Sphaeria ludwigiae Cooke
United States
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Iowa State University, Ada Hayden Herbarium
H.W. Ravenel #s.n.
Physalospora ludwigiae (Cooke) Sacc.
USA, South Carolina, Aiken;
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USDA United States National Fungus Collections
Ravenel #s.n.
Sphaeria argyrostoma
United States, Florida, Gainesville
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USDA United States National Fungus Collections
Ravenel H. W. s.n.
Physalospora ludwigiae (Cooke) Sacc.
United States, South Carolina, Aiken
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