F.K.A.E.J. de Thümen [1-750, plus extras]
University of Illinois Herbarium
Thumen s.n. 00 August 1874
Oidium obtusum Thüm.
Germany, Bavaria, Bayreuth; Bayreuth
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
ThÙmen #s.n. 00 August 1874
Oidium obtusum Thm.
Germany, Bayreuth, Bavaria
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