Economic Fungi #293
A.B. Seymour and F.S. Earle [1-550, plus extras]
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USDA United States National Fungus Collections
Catalog #: BPI 1020528
s.n.
Erysiphe cichoracearum DC.
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USDA United States National Fungus Collections
Catalog #: BPI 1020529
s.n.
Erysiphe cichoracearum DC.
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Cornell University Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0293
R. E. Blount s.n. 06 September 1890
Erysiphe cichoracearum DC.
United States, Illinois, Thayer, Byron;
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