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

Cornell University, Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0155
J. Dearness s.n. 00 November 1891
Gnomonia ulmea (Fr.) Thüm.
Canada, Ontario, London;

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00054142
J. Dearness s.n. 00 November 1891
Gnomonia ulmea (Fr.) Thüm.
Canada, London; London