A.B. Seymour and F.S. Earle [1-550, plus extras]
Louisiana State University, Bernard Lowy Mycological Herbarium
R. E. Blount #s.n. 27 August 1890
Erysiphe cichoracearum DC.
United States, Illinois, Ogle, Byron
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Iowa State University, Ada Hayden Herbarium
R.E. Blount s.n. 27 August 1890
Erysiphe cichoracearum DC.
USA, Illinois, Ogle, Byron
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