F.K.A.E.J. de Thümen [1-2300, plus extras]
University of Illinois Herbarium
s.n.
Sphaerotheca niesslii Thüm.
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USDA United States National Fungus Collections
s.n.
Sphaerotheca niesslii Thüm.
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USDA United States National Fungus Collections
Thuemen s.n. 00 September 1879
Sphaerotheca humuli (DC.) Burrill
Austria, Kalksburg
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Thumen #s.n. 00 September 1879
Sphaerotheca niesslii ThÙm.
Austria, Kalksburg
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