Rehm, Ascomyc.H. Rehm [1-2175, plus extras]
Cornell University Plant Pathology Herbarium
Dr. Magnus #2326 00 August 1908
Sphaerotheca fugax Penz. & Sacc.
Italy, Bei Seis und Ratzes in S. Tirol.
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USDA United States National Fungus Collections
Magnus s.n. 00 August 1908
Sphaerotheca humuli (DC.) Burrill
Italy, S. Tyrol
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