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

Cornell University, Plant Pathology Herbarium
Catalog #: Rav.,F.Amer.0476
s.n.
Dictydium Schrad.
United States

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00050749
H. W. Ravenel s.n.
Dictydium umbilicatum Schrader
United States, South Carolina, Berkeley, Pinopolis;

Academy of Natural Sciences of Drexel University
Catalog #: PH00300084
H. W. Ravenel #s.n.
Cribraria cancellata var. cancellata (Batsch) Nann.-Bremek.
United States, South Carolina, Berkeley, Pinopolis

Iowa State University, Ada Hayden Herbarium
Catalog #:
H.W. Ravenel #s.n.
Dictydium cancellatum (Batsch.) Macbr.
USA, South Carolina, Pinopolis;