F.J. Seaver and H.F. Bergman [1-60]
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University of Michigan Herbarium
Catalog #: 309396
F. J. Seaver #s. n. 00 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
USA, North Dakota, Cass, Fargo.
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056443
F. J. Seaver #s.n. 00 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, North Dakota, Fargo;
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USDA United States National Fungus Collections
Catalog #: BPI 604582
Seaver F. J. s.n. 00 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, North Dakota, Fargo
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USDA United States National Fungus Collections
Catalog #: BPI 1019984
Seaver F.J. #s.n. 00 August 1907
Sphaerotheca humuli (DC.) Burrill
United States, North Dakota, Fargo
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USDA United States National Fungus Collections
Catalog #: BPI 1019985
Seaver F.J. #s.n. 00 August 1907
Sphaerotheca humuli (DC.) Burrill
United States, North Dakota, Fargo
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