Ellis & Everhart, N. Amer. Fungi. Ser. II
J.B. Ellis ; B.M. Everhart [1501-3600, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 959927
s.n.
Oidium erysiphoides Fr.
United States

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000229894
C. H. Demetrio #2457 00 May 1888
Oidium erysiphoides Fr.
United States, Missouri, Lafayette, Concordia

University of Michigan Herbarium
Catalog #: 326525
C. H. Demetrio #s. n. 00 May 1888
Oidium erysiphoides Fr.
USA, Missouri, Lafayette, Concordia

Academy of Natural Sciences of Drexel University
Catalog #: PH00310302
C. H. Demetrio #s.n. 00 May 1888
Oidium erysiphoides Fr.
United States, Missouri, Lafayette, Concordia

University of Illinois Herbarium
Catalog #: ILL00099704
CH Demetrio s.n. 00 May 1888
Oidium erysipheoides
United States, Missouri, Lafayette, Concordia; Concordia

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0089302
CH Demetrio s.n. 00 May 1888
Oidium erysipheoides
United States, Missouri, Lafayette, Concordia

USDA United States National Fungus Collections
Catalog #: BPI 409496
Demetrio C. H. s.n. 00 May 1888
Oidium erysiphoides Fr.
United States, Missouri, Concordia

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061055
Rev. C. H. Demetrio s.n. 00 May 1888
Oidium erysipheoides
United States, Missouri, Concordia;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061056
Rev. C. H. Demetrio s.n. 00 May 1888
Oidium erysipheoides
United States, Missouri, Concordia;

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0012632
Rev. C.H. Demetrio s.n. 00 May 1888
Oidium erysipheoides
United States, Montana, Concordia;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0255854
Rev. C.H. Demetrio s.n. 00 May 1888
Oidium erysipheoides
United States, Missouri, Concordia;