A.B. Seymour and F.S. Earle [1-550, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1020498
s.n.
Microsphaera russellii Clinton
United States

USDA United States National Fungus Collections
Catalog #: BPI 1020499
s.n.
Microsphaera russellii Clinton
United States

University of Florida Herbarium
Catalog #: FLAS-F-01683
A.J. Grout s.n. 15 October 1892
Microsphaera russellii Clinton
United States, Vermont, Windham, Newfane.

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0011954
A.J. Grout s.n. 15 October 1892
Microsphaera russellii Clinton
United States, Vermount, Newfane;

Cornell University, Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0270
J. Grout s.n. 15 October 1892
Microsphaera russellii Clinton
United States, Vermont, Newfane;

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0011955
L.M. Underwood s.n. 00 October 1892
Microsphaera russellii Clinton
United States, Indiana, Greencastle;