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

USDA United States National Fungus Collections
Catalog #: BPI 786974
de Thumen s.n.
Peronospora alsinearum Casp.
Czechoslovakia, Bohemia, Aussig

University of Illinois Herbarium
Catalog #: ILL00085542
de Thümen s.n.
Peronospora alsinearum Caspary
Czech Republic, Bohemia, Ústí nad Labem

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0013104
De Thumen s.n.
Peronospora alsinearum Casp.
Czech republic, Bohemia

New York Botanical Garden
Catalog #: 1959464
78ac0932-5e6d-4971-a6bb-b4b5f9876869
F. K. A. E. J. von Thümen #s.n.
Peronospora alsinearum Casp.
Czech Republic, Ústí nad Labem, Bohemia