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

Brown University - Algae
Catalog #: ABRU00003058
Mrs. J. M. Weeks s.n.
Ceramium californicum J.Agardh
United States, California, Santa Cruz, CA

Yale University Herbarium
Catalog #: YU.091529
Mrs. J. M. Weeks s.n. 00 August 1897
Ceramium californicum J.Agardh
United States, California, Santa Cruz, CA

Field Museum of Natural History
Catalog #: C0515129F
Mrs. J. M. Weeks #s.n. 00 August 1897
Ceramium californicum J.Agardh
United States, California, Santa Cruz, Santa Cruz, California

University of Michigan
Catalog #: 645966
Mrs. J.M. Weeks #s.n. 00 August 1897
Ceramium californicum J.Agardh
United States, California, Santa Cruz, Santa Cruz

University of Michigan
Catalog #: 645968
Mrs. J.M. Weeks #s.n. 00 August 1897
Ceramium californicum J.Agardh
United States, California, Santa Cruz, Santa Cruz

Michigan State University Algae
Catalog #: MSC0181605
Mrs. J.M. Weeks #s.n. 00 August 1897
Ceramium californicum J.Agardh
United States, California, Santa Cruz, Santa Cruz

Miami University - Algae
Catalog #: 000186861
Mrs. J.M. Weeks #s.n. 00 August 1897
Ceramium californicum J.Agardh
United States, California, Santa Cruz, Santa Cruz

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0030851
Weeks, Mrs. J. M. #P.B.-A. 447 00 August 1897
Ceramium californicum J.Agardh
United States, California, Santa Cruz, Santa Cruz; Santa Cruz, California