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

Cornell University, Plant Pathology Herbarium
Catalog #: Rav.,F.Amer.0325
s.n.
Sphaerotheca pannosa (Wallr.) Lév.
United States, South Carolina, Aiken, Aiken;

Academy of Natural Sciences of Drexel University
Catalog #: PH00302755
s.n.
Sphaerotheca pannosa (Wallr.) Lév.
USA, South Carolina, Aiken, Aiken

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00081308
s.n.
Sphaerotheca pannosa (Wallr.) Lév.
United States, South Carolina, Aiken;

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0119005
#s.n.
Sphaerotheca pannosa (Wallr.) Lév.
USA, South Carolina, Aiken;