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A.B. Seymour and F.S. Earle [1-550, plus extras]
Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0083668
B.D. Halsted s.n. 28 September 1892
Erysiphe cichoracearum DC.
USA, New Jersey, Middlesex, New Brunswick
Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00157595
Byron D. Halsted #s.n. 28 September 1892
Erysiphe cichoracearum DC.
United States, New Jersey, Middlesex, New Brunswick