G.W. Wilson and F.J. Seaver [1-100]

USDA United States National Fungus Collections
Catalog #: BPI 188072
G. W. W. s.n. 00 July 1909
Plasmopara halstedii (Farl.) Berl. & De Toni
United States, Iowa, Fayette

USDA United States National Fungus Collections
Catalog #: BPI 865314
G. W. W. s.n. 00 July 1909
Plasmopara halstedii (Farl.) Berl. & De Toni
United States, Iowa, Fayette

USDA United States National Fungus Collections
Catalog #: BPI 1045467
G. W. Wilson s.n. 00 July 1909
Rhysotheca halstedii (Farl.) G.W. Wilson
United States, Iowa, Fayette

USDA United States National Fungus Collections
Catalog #: BPI 1045468
G. W. Wilson s.n. 00 July 1909
Rhysotheca halstedii (Farl.) G.W. Wilson
United States, Iowa, Fayette

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP36962
G.W. Wilson s.n. 00 July 1909
Plasmopara halstedii (Farlow) Berlese & De Toni
United States, Iowa, Fayette

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000288598
Guy West Wilson #95 00 July 1909
Rhysotheca halstedii (Farl.) Wilson
United States, Iowa, Fayette