Anonymous, Calif. FungiHerbarium of the University of California. [1- ? 1425]
Cornell University Plant Pathology Herbarium
Catalog #: CaliforniaF.00831
s.n.
Sphaerotheca humuli (DC.) Burrill
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Field Museum of Natural History
Catalog #: C0286336F
e7f8b9d9-79ce-48a0-82e9-867057e3d36f
J. P. Tracy #17905 24 August 1947
Sphaerotheca humuli (DC.) Burrill (DC.) Burrill
U.S.A., California, Humboldt, Box Camp Meadow, on Trinity Summit
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University of Michigan Herbarium
J. P. Tracy #17905 24 August 1947
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
USA, California, Humboldt, Trinity Summit, Box Camp.
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University of Wisconsin-Madison Herbarium
Joseph P. Tracy #17905 24 August 1947
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, California, Humboldt, Trinity Summit, Box Camp
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USDA United States National Fungus Collections
Tracy Joseph P. #17905 24 August 1947
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, California, Box Camp, Trinity Summit, Humboldt Co.
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USDA United States National Fungus Collections
Tracy, Joseph P. #17905 24 August 1947
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, California, Humboldt, Box Camp, Trinity Summit
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