G.W. Wilson and F.J. Seaver [1-100]
USDA United States National Fungus Collections
G. W. W. s.n. 00 July 1909
Plasmopara halstedii (Farl.) Berl. & De Toni
United States, Iowa, Fayette
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USDA United States National Fungus Collections
G. W. W. s.n. 00 July 1909
Plasmopara halstedii (Farl.) Berl. & De Toni
United States, Iowa, Fayette
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USDA United States National Fungus Collections
G. W. Wilson s.n. 00 July 1909
Rhysotheca halstedii (Farl.) G.W. Wilson
United States, Iowa, Fayette
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USDA United States National Fungus Collections
G. W. Wilson s.n. 00 July 1909
Rhysotheca halstedii (Farl.) G.W. Wilson
United States, Iowa, Fayette
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Charles Gardner Shaw Mycological Herbarium, Washington State University
G.W. Wilson s.n. 00 July 1909
Plasmopara halstedii (Farlow) Berlese & De Toni
United States, Iowa, Fayette
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Miami University, Willard Sherman Turrell Herbarium
Guy West Wilson #95 00 July 1909
Rhysotheca halstedii (Farl.) Wilson
United States, Iowa, Fayette
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