F.K.A.E.J. de Thümen [1-2300, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1034351
s.n.
Peronospora alsinearum Casp.

University of Illinois Herbarium
Catalog #: ILL00075866
de Thuemen s.n.
Peronospora asinearum De By.
Germany, Bavaria, Bayreuth

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP26580
de Thumen s.n.
Peronospora alsinearum f. Cerastii trivialis de Bary
Germany, Bayreuth, Bavaria

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061783
de Thumen s.n.
Peronospora alsinearum Caspary
Germany, Bavaria, Bayreuth;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00055094
Prof. Saccardo s.n.
Gyrocerus celtis (Biv.) Mont. & Ces.
, Venetia: Selva pr. Treviso