F.K.A.E.J. de Thümen [1-750, plus extras]
University of Illinois Herbarium
Kornicke s.n. 00 June 1873
Erysiphe graminis f. secales Lev.
Germany, Bonn; Poppelsdorfer Versuchsfelder
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Prof. Kornicke s.n. 00 June 1873
Erysiphe graminis DC.
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