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

USDA United States National Fungus Collections
Catalog #: BPI 790744
de Thumen s.n.
Peronospora rumicis Corda
Czechoslovakia, Aussig, Bohemia

University of Illinois Herbarium
Catalog #: ILL00085840
de Thümen s.n.
Peronospora rumicis f. acetosae
Czech Republic, Bohemia, Aussig; Aussig