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

USDA United States National Fungus Collections
Catalog #: BPI 787970
de Thumen s.n.
Peronospora dubia Berl.
Czechoslovakia, Bohemia, Bilin

USDA United States National Fungus Collections
Catalog #: BPI 788987
de Thumen s.n.
Peronospora hyoscyami de Bary
Czechoslovakia, Bohemia, Bilin

USDA United States National Fungus Collections
Catalog #: BPI 788988
de Thumen s.n.
Peronospora hyoscyami de Bary
Czechoslovakia, Bohemia, Bilin

University of Illinois Herbarium
Catalog #: ILL00085847
de Thümen s.n.
Peronospora hyoscyami De By.
Czech Republic, Bohemia, Bilin; Bilin