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

Cornell University, Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.2432
s.n.
Oidium balsamii Mont.
Germany

USDA United States National Fungus Collections
Catalog #: BPI 1027955
s.n.
Oidium balsamii Mont.
Germany

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00061045
A. Ludwig s.n. 20 August 1924
Oidium balsamii Mont.
Germany, Westfalen: Eiserfelder Hutte,, Kreis Siegen

University of Michigan Herbarium
Catalog #: 326497
A. Ludwig #s. n. 20 August 1924
Oidium balsamii Mont.
Germany, Westfalen: Eiserfelder Hütte, Kreis Siegen.

Academy of Natural Sciences of Drexel University
Catalog #: PH00323435
A. Ludwig #s.n. 20 August 1924
Oidium balsamii Mont.
Germany, Westfalen: Eiserfelder Hütte, Kreis Siegen.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0074646
A. Ludwig #s.n. 20 August 1924
Oidium balsamii Mont.

USDA United States National Fungus Collections
Catalog #: BPI 409327
Ludwig A. s.n. 20 August 1924
Oidium balsamii Mont.
West Germany, Westphalia, Eiserfelder Huette, Siegen Kreis