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

USDA United States National Fungus Collections
Catalog #: BPI 1034797
s.n.
Oidium erysiphoides Fr.

USDA United States National Fungus Collections
Catalog #: BPI 409545
Martianoff N. s.n. 00 July 1876
Oidium erysiphoides f. humuli
USSR, Siberia W., Minusinsk Woods

Purdue University, Kriebel Herbarium
Catalog #: PUL00029707
N Martianoff s.n. 00 July 1876
Oidium erysiphoides Fr.
Sibiria, Krasnoyarsk Krai, Minussinsk

University of Illinois Herbarium
Catalog #: ILL00076324
N. Martianoff s.n. 00 July 1876
Oidium crysiphoides
Russian Federation, Russian Federation

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061049
N. Martianoff s.n. 00 July 1876
Oidium erysiphoides Fr.
Russia, Minussinsk;

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0012629
N. Martianoff s.n. 00 July 1876
Oidium crysiphoides
Russia, Siberia (western)