Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

Brown University - Algae
Catalog #: ABRU00002823
F. S. Collins s.n. 29 September 1895
Ceramium squarrosum (Harvey) J.Agardh
United States, Massachusetts, Revere Beach, Revere, MA

University of Michigan
Catalog #: 646985
F.S. Collins #s.n. 29 September 1895
Ceramium virgatum Roth
United States, Massachusetts, Suffolk, Revere Beach

University of Michigan
Catalog #: 646986
F.S. Collins #s.n. 29 September 1895
Ceramium virgatum Roth
United States, Massachusetts, Suffolk, Revere Beach

Field Museum of Natural History
Catalog #: C0515400F
F.S. Collins #s.n. 29 September 1895
Ceramium squarrosum (Harvey) J.Agardh
United States, Massachusetts, Suffolk, Revere Beach

Michigan State University Algae
Catalog #: MSC0181639
F.S. Collins #s.n. 29 September 1895
Ceramium squarrosum (Harvey) J.Agardh
United States, Massachusetts, Suffolk, Revere Beach

Miami University - Algae
Catalog #: 000186600
F.S. Collins #s.n. 29 September 1895
Ceramium squarrosum (Harvey) J.Agardh
United States, Massachusetts, Suffolk, Revere Beach

Yale University Herbarium
Catalog #: YU.091278
Frank Shipley Collins s.n. 29 September 1895
Ceramium squarrosum (Harvey) J.Agardh
United States, Massachusetts, Revere Beach, Revere, MA