Thümen, Fungi Austr. Exs.F.K.A.E.J. de Thümen [1-1200]
USDA United States National Fungus Collections
s.n.
Peronospora pygmaea (Unger) Unger
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USDA United States National Fungus Collections
de Thumen s.n. 00 May 1871
Plasmopara pygmaea (Unger) J. Schröt.
Austria, Lower Austria, Krems
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