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

Brown University - Algae
Catalog #: ABRU00004939
N. L. Gardner s.n.
Cladophora trichotoma (C.Agardh) Kützing
United States, California, Monterey, Point Lobos, CA

Field Museum of Natural History
Catalog #: C0530158F
N. L. Gardner #s.n. 00 June 1916
Cladophora membranacea (Hofman Bang ex C.Agardh) Kützing
United States, California, Monterey, Point Lobos

University of Michigan
Catalog #: 684256
N.L. Gardner #s.n. 00 June 1916
Cladophora trichotoma f. elongata Gardner
United States, California, Monterey, Point Lobos, CA

University of Michigan
Catalog #: 684527
N.L. Gardner #s.n. 00 June 1916
Cladophora columbiana F.S.Collins
United States, California, Monterey, Point Lobos, CA

Michigan State University Algae
Catalog #: MSC0181944
N.L. Gardner #s.n. 00 June 1916
Cladophora columbiana F.S.Collins
United States, California, Monterey, Point Lobos, CA

Miami University - Algae
Catalog #: 000210175
N.L. Gardner #s.n. 00 June 1916
Cladophora columbiana F.S.Collins
United States, California, Monterey, Point Lobos, CA

Yale University Herbarium
Catalog #: YU.095409
Nathaniel Lyon Gardner s.n.
Cladophora trichotoma (C.Agardh) Kützing
United States, California, Monterey, Carmel; Point Lobos, CA