Collins, N. Amer. Algae
Collins, F.S. [? - ?]

Butler University
Catalog #: 503160
Mrs. W. C. Simmons #s.n.
Ceramium fastigiatum Harvey
United States, Rhode Island, Newport

University Herbarium, University of California, Berkeley
Catalog #: UC687492
W. C. Simmons #s.n.
Ceramium cimbricum H.E.Petersen
United States, Rhode Island, Newport, R. I.