G.W. Wilson and F.J. Seaver [1-100]
USDA United States National Fungus Collections
G. W. W. s.n. 21 July 1909
Peronospora euphorbiae Fuckel
United States, Iowa, Fayette
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USDA United States National Fungus Collections
G. W. W. s.n. 21 July 1909
Peronospora euphorbiae Fuckel
United States, Iowa, Fayette
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USDA United States National Fungus Collections
G. W. Wilson s.n. 21 July 1909
Peronospora euphorbiae Fuckel
United States, Iowa, Fayette
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USDA United States National Fungus Collections
G. W. Wilson s.n. 21 July 1909
Peronospora euphorbiae Fuckel
United States, Iowa, Fayette
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Miami University, Willard Sherman Turrell Herbarium
G. W. Wilson #88 21 July 1909
Peronospora euphorbiae Fuckel
United States, Iowa, Fayette, Fayette
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Charles Gardner Shaw Mycological Herbarium, Washington State University
G.W. Wilson s.n. 21 July 1909
Peronospora euphorbiae Fuckel
United States, Iowa, Fayette
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