J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-3647
B. B. Higgins s.n.
Podosphaera Kunze

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00065753
B. B. Higgins s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary
United States, New York, Ithaca;

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0016377
B. B. Higgins s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary
United States, New York, Tompkins, Ithaca;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000281507
B. B. Higgins #3647 24 October 1911
Podosphaera oxycanthae
United States, New York, Tompkins, Ithaca

Field Museum of Natural History
Catalog #: C0286135F
f72eff33-f106-4147-a287-56acb8f092cc
B. B. Higgins #s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary (DC.) de Bary
U.S.A., New York, Tompkins, Ithaca; Ithaca

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP5861
B.B. Higgins s.n. 24 October 1911
Podosphaera oxycanthae
United States, New York, Tompkins, Ithaca

University of Florida Herbarium
Catalog #: FLAS-F-01363
B.B. Higgins s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary
United States, New York, Tompkins, Ithaca; 42.442402 -76.501929

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0250384
B.B. Higgins s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary
United States, New York, Ithaca;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0032848
B.B. Higgins #s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary
United States, New York, Ithaca;

Brown University Herbarium
Catalog #: CBRU00001676
BB Higgins s.n. 24 October 1911
Podosphaeria oxyacanthae
United States, New York, Tompkins, Ithaca;

Purdue University, Kriebel Herbarium
Catalog #: PUL00020973
BB Higgins s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary
United States, New York, Tompkins, Ithaca;

USDA United States National Fungus Collections
Catalog #: BPI 603327
Higgins B. B. s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary
United States, New York, Ithaca

USDA United States National Fungus Collections
Catalog #: BPI 603328
Higgins B. B. s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary
United States, New York, Ithaca

USDA United States National Fungus Collections
Catalog #: BPI 603334
Higgins B. B. s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary
United States, New York, Ithaca

USDA United States National Fungus Collections
Catalog #: BPI 965808
Higgins B. B. #s.n. 24 October 1911
Podosphaera oxyacanthae (DC.) de Bary
United States, New York, Ithaca