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

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0016848
Mrs. W. C. Simmons #108
Cladostephus spongiosum
United States, Rhode Island, Newport, Newport

Butler University
Catalog #: 504087
Mrs. W. C. Simmons #s.n.
Cladostephus spongiosus (Hudson) C.Agardh
United States, Rhode Island, Newport

University Herbarium, University of California, Berkeley
Catalog #: UC687619
W. C. Simmons #s.n.
Cladostephus spongiosus (Hudson) C.Agardh
United States, Rhode Island, Newport, Newport, R. I.