Rabenhorst, Fungi Eur. Exs.G.L. Rabenhorst [1-2600]
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USDA United States National Fungus Collections
Catalog #: BPI 997990
s.n.
Peronospora grisea (Unger) de Bary
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University of North Carolina at Chapel Hill Herbarium: Fungi
Catalog #: NCU-F-0018750
Magnus, Paul Wilhelm #s.n.
Peronospora grisea Unger
Germany, Berlin, in agris pr. Franz. Buchholz ad Berolinum
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