Economic Fungi #258
A.B. Seymour and F.S. Earle [1-550, plus extras]
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USDA United States National Fungus Collections
Catalog #: BPI 1020480
s.n.
Peronospora parasitica (Persoon) de Bary
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USDA United States National Fungus Collections
Catalog #: BPI 1020481
s.n.
Peronospora parasitica (Persoon) de Bary
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Cornell University Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0258
A. B. Seymour s.n. 13 April 1882
Peronospora parasitica (Persoon) de Bary
United States, Illinois, Union, Cobden;
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