D. Griffiths [1-400, plus extras]
University of Wisconsin-Madison Herbarium
T. A. Williams #s.n. 00 August 1898
Sphaerotheca humuli (DC.) Burrill
United States, Wyoming, Near Big Horn
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Cornell University Plant Pathology Herbarium
Catalog #: Griff.,W.A.F.0162
Williams s.n. 00 August 1898
Sphaerotheca humuli (DC.) Burrill
United States, Wyoming, Near Big Horn
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Williams s.n. 00 August 1898
Sphaerotheca humuli (DC.) Burrill
United States, Wyoming, Near Big Horn.
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Iowa State University, Ada Hayden Herbarium
Williams #s.n. 00 August 1898
Sphaerotheca collomiae U. Braun
USA, Wyoming
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Purdue University, Kriebel Herbarium
Williams and Griffiths s.n. 00 August 1898
Sphaerotheca humuli (DC.) Burrill
United States, Wyoming, Sheridan, Near Big Horn
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Williams; D. Griffiths s.n. 00 August 1898
Sphaerotheca humuli (DC.) Burrill
United States, Wyoming, near Big Horn
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USDA United States National Fungus Collections
Williams; Griffiths s.n. 00 August 1898
Sphaerotheca humuli (DC.) Burrill
United States, Wyoming, Big Horn near
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USDA United States National Fungus Collections
Williams; Griffiths s.n. 00 August 1898
Sphaerotheca humuli (DC.) Burrill
United States, Wyoming, Big Horn near
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