F.K.A.E.J. de Thümen [1-2300, plus extras]
University of Illinois Herbarium
de Thuemen s.n.
Oidium obtusum Thüm.
Germany, Bavaria, Bayreuth; Bayreuth
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USDA United States National Fungus Collections
s.n.
Oidium obtusum Thüm.
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USDA United States National Fungus Collections
Thuemen s.n.
Oidium obtusum Thüm.
West Germany, Bavaria, Bayreuth
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USDA United States National Fungus Collections
Thuemen s.n.
Oidium obtusum Thüm.
West Germany, Bavaria, Bayreuth
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
ThÙmen #s.n.
Oidium obtusum Thm.
Germany, Bayreuth, Bavaria
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