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

Cornell University Plant Pathology Herbarium
Catalog #: Rav.,F.Amer.0188
s.n.
Diatrypella discoidea var. alni Ravenel
United States

USDA United States National Fungus Collections
Catalog #: BPI 1002649
s.n.
Diatrypella discoidea Cooke & Peck
United States

USDA United States National Fungus Collections
Catalog #: BPI 1003455
s.n.
Diatrypella discoidea Cooke & Peck
United States

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00050690
H. W. Ravenel s.n.
Diatrypella discoidea var. Alni Ravenel
United States, South Carolina, Aiken, Aiken;

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0070388
H.W. Ravenel #188
Diatrypella discoidea var. alni Ravenel
USA, South Carolina, Aiken

USDA United States National Fungus Collections
Catalog #: BPI 579324
Ravenel H. W. s.n.
Diatrypella discoidea var. alni Ravenel
United States, South Carolina, Aiken