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 959804
s.n.
Podosphaera oxyacanthae (DC.) de Bary
United States

USDA United States National Fungus Collections
Catalog #: BPI 602922
Dearness J. s.n. 00 July 1889
Podosphaera oxyacanthae (DC.) de Bary
Canada, Ontario, London

University of Illinois Herbarium
Catalog #: ILL00099565
J Dearness s.n. 00 July 1889
Podosphaera oxycanthae
Canada, Ontario, London; London

University of Wisconsin-Madison Herbarium
Catalog #:
J Dearness s.n. 00 July 1889
Podosphaera oxycanthae
Canada, Ontario, London

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00065699
J. Dearness s.n. 00 July 1889
Podosphaera oxyacanthae (DC.) de Bary
Canada, London;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00065700
J. Dearness s.n. 00 July 1889
Podosphaera oxyacanthae (DC.) de Bary
Canada, London;

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0016356
J. Dearness s.n. 00 July 1889
Podosphaera oxyacanthae (DC.) de Bary
Canada, Ontario, Middlesex, London;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0255720
J. Dearness s.n. 00 July 1889
Podosphaera oxyacanthae (DC.) de Bary
Canada, London;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000229761
J. Dearness #2335 00 July 1889
Podosphaera oxyacanthae (DC.) de Bary
Canada, Ontario, London

Academy of Natural Sciences of Drexel University
Catalog #: PH00302711
J. Dearness #s.n. 00 July 1889
Podosphaera oxyacanthae (DC.) de Bary
Canada, Ontario, London

Academy of Natural Sciences of Drexel University
Catalog #: PH00315534
J. Dearness #s.n. 00 July 1889
Podosphaera oxyacanthae (DC.) de Bary
Canada, Ontario, London