H. Sydow and P. Sydow [1-3000]

Cornell University Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.2302
s.n.
Peronospora Corda
Germany

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062081
A. Ludwig s.n. 23 May 1925
Peronospora grisea (Unger) de Bary
Germany, Rheinprovinz: Backhaus bei Kirchen, Kreis Alten-kirchen

Field Museum of Natural History
Catalog #: C0259137F
579c1e89-1885-4b16-aa09-8885e82206e4
A. Ludwig #s.n. 23 May 1925
Peronospora grisea Rabenh. Rabenh.
Germany, Rhineland-Palatinate, Altenkirchen, Kirchen; Kirchen, Backhaus, near Kirchen

Academy of Natural Sciences of Drexel University
Catalog #: PH00314429
A. Ludwig #s.n. 23 May 1925
Peronospora grisea (Unger) de Bary
Germany, Rheinprovinz: Backhaus bei Kirchen, Kreis Alten-kirchen

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075600
A. Ludwig #s.n. 23 May 1925
Peronospora grisea (Unger) de Bary

USDA United States National Fungus Collections
Catalog #: BPI 788804
Ludwig, A. s.n. 23 May 1925
Peronospora grisea (Unger) de Bary
Germany, Rhein Province, Backhaus, Kirchen, Altenkirchen Kreis

USDA United States National Fungus Collections
Catalog #: BPI 1027826
Ludwig, A. s.n. 23 May 1925
Peronospora grisea (Unger) de Bary
Germany, Rhein Province, Backhaus, Kirchen, Altenkirchen Kreis