A.B. Seymour and F.S. Earle [1-550, plus extras]
Iowa State University, Ada Hayden Herbarium
J. Dearness #s.n. 00 July 1890
Septoria polygonorum Desm.
Canada, Ontario, Middlesex, London;
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Louisiana State University, Bernard Lowy Mycological Herbarium
John Dearness #s.n. 00 July 1890
Septoria polygonorum Desm.
Canada, London
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