Anonymous, Calif. FungiHerbarium of the University of California. [1- ? 1425]
Cornell University Plant Pathology Herbarium
Catalog #: CaliforniaF.00975
s.n.
Sphaerotheca humuli (DC.) Burrill
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University of Wisconsin-Madison Herbarium
J.P. Tracy #13442 18 July 1934
Sphaerotheca humuli (DC.) Burrill
United States, California, Humboldt, Grouse Mountain
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USDA United States National Fungus Collections
J.P. Tracy #13442 18 July 1934
Sphaerotheca humuli (DC.) Burrill
United States, California, Humboldt, Grouse Mountain
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University of Georgia, Julian H. Miller Mycological Herbarium
Joseph P. Tracy s.n. 18 July 1934
Sphaerotheca humuli (DC.) Burrill
USA, California, Humboldt, Grouse Mountain
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Louisiana State University, Bernard Lowy Mycological Herbarium
Joseph P. Tracy #13442 18 July 1934
Sphaerotheca humuli (DC.) Burr.
United States, California, Humboldt, Grouse Mountain.
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