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

USDA United States National Fungus Collections
Catalog #: BPI 429741
s.n.
Helminthosporium persistens Cooke & Ellis
United States, South Carolina, Pinopolis

Cornell University, Plant Pathology Herbarium
Catalog #: Rav.,F.Amer.0615
s.n.
Helminthosporium persistens Cooke & Ellis
United States, South Carolina, Pinopolis;

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00055284
H. W. Ravenel s.n.
Helminthosporium persistens Cooke & Ellis
United States, South Carolina, Berkeley, Pinopolis;