Thümen, Fungi Austr. Exs.
F.K.A.E.J. de Thümen [1-1200]

USDA United States National Fungus Collections
Catalog #: BPI 788018
de Thumen s.n. 00 July 1871
Peronospora effusa (Grev.) Rabenh.
Austria, Lower Austria, Krems