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

USDA United States National Fungus Collections
Catalog #: BPI 790603
de Thumen s.n.
Peronospora radii de Bary
Czechoslovakia, Brux, Bohemia

University of Illinois Herbarium
Catalog #: ILL00085645
de Thümen s.n.
Peronospora radii DeBy.
Czech Republic, Bohemia, Most