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

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0030787
Gardner, N. L. #P.B.-A. 2240b 00 June 1916
Cladophora hemisphaerica N.L.Gardner
United States, California, Monterey, Cypress Point; Cypress Point, Monterey County, California

Brown University - Algae
Catalog #: ABRU00005050
N. L. Gardner s.n.
Cladophora hemisphaerica N.L.Gardner
United States, California, Monterey, Cypress Point, CA

University of Michigan
Catalog #: 684116
N.L. Gardner #s.n. 00 June 1916
Cladophora columbiana F.S.Collins
United States, California, Monterey, Cypress Point

Michigan State University Algae
Catalog #: MSC0181941
N.L. Gardner #s.n. 00 June 1916
Cladophora columbiana F.S.Collins
United States, California, Monterey, Cypress Point

Miami University - Algae
Catalog #: 000210528
N.L. Gardner #s.n. 00 June 1916
Cladophora columbiana F.S.Collins
United States, California, Monterey, Cypress Point

Yale University Herbarium
Catalog #: YU.095516
Nathaniel Lyon Gardner s.n.
Cladophora hemisphaerica N.L.Gardner
United States, California, Monterey, Cypress Point, CA