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

USDA United States National Fungus Collections
Catalog #: BPI 1034227
s.n.
Peronospora calotheca de Bary

University of Illinois Herbarium
Catalog #: ILL00075742
de Thuemen s.n.
Peronospora calotheca de Bary
Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 786720
de Thumen s.n.
Peronospora aparines (de Bary) Gäum.
Germany, Bavaria, Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061867
de Thumen s.n.
Peronospora calotheca de Bary
Germany, Bavaria, Bayreuth;

USDA United States National Fungus Collections
Catalog #: BPI 712929
Thuemen s.n.
Peronospora calotheca de Bary
Germany, Bavaria, Bayreuth