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 959568
s.n.
Erysiphe communis (Wallr.) Schltdl.
United States

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0255484
C. H. Demetrio s.n. 25 July 1888
Erysiphe communis (Wallr.) Schltdl.
United States, Colorado

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000228710
C. H. Demetrio #2112 00 July 1888
Erysiphe polygoni DC.
United States, Colorado

Academy of Natural Sciences of Drexel University
Catalog #: PH00302466
C. H. Demetrio #s.n. 25 July 1888
Erysiphe communis (Wallr.) Schltdl.
United States, Colorado, Colorado

Academy of Natural Sciences of Drexel University
Catalog #: PH00315440
C. H. Demetrio #s.n. 25 July 1888
Erysiphe pisi DC.
United States, Colorado, Colorado

University of Illinois Herbarium
Catalog #: ILL00099325
CH Demetrio s.n. 25 July 1888
Erysiphe communis (Wallr.) Schltdl.
United States, Colorado, Colorado

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0088932
CH Demetrio s.n. 25 July 1888
Erysiphe communis (Wallr.) Schltdl.
United States, Colorado, Colorado

USDA United States National Fungus Collections
Catalog #: BPI 562403
Demetrio C. H. s.n. 25 July 1888
Erysiphe communis (Wallr.) Schltdl.
United States, Colorado

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00052328
Rev. C. H. Demetrio s.n. 25 July 1888
Erysiphe communis (Wallr.) Schltdl.
United States, Colorado

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00052345
Rev. C. H. Demetrio s.n. 25 July 1888
Erysiphe communis (Wallr.) Schltdl.
United States, Colorado