Rabenhorst, Fungi Eur. Exs.G.L. Rabenhorst [1-2600]
USDA United States National Fungus Collections
Magnus, P. #s. n.
Peronospora alsinearum Casp.
Germany, Berlin
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University of North Carolina at Chapel Hill Herbarium: Fungi
Magnus, Paul Wilhelm #s.n.
Peronospora alsinearum Caspary
Germany, Berlin, Berlin
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