H.W. Ravenel and M.C. Cooke [1-800, plu extras]

Cornell University, Plant Pathology Herbarium
Catalog #: Rav.,F.Amer.0752
s.n.
Sphaeria ulmea Fr.
United States

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00054126
s.n.
Gnomonia ulmea (Fr.) Thüm.
United States, South Carolina, Aiken; Aiken

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0119760
#s.n.
Stegophora ulmea (Fr.) Syd. & P. Syd.
USA, South Carolina, Aiken;

Academy of Natural Sciences of Drexel University
Catalog #: PH00304027
H. W. Ravenel #s.n.
Sphaeria ulmea Fr.
United States, South Carolina, Aiken, Aiken