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

Brown University - Algae
Catalog #: ABRU00003948
N. L. Gardner s.n. 25 September 1902
Cladophora secunda Kützing
United States, California, North Berkeley, CA

Field Museum of Natural History
Catalog #: C0529590F
N. L. Gardner #s.n. 25 September 1902
Cladophora crispata (Roth) Kützing
United States, California, Alameda, Berkeley; Berkeley

University of Michigan
Catalog #: 684224
N.L. Gardner #s.n. 25 September 1902
Cladophora secunda Kützing
United States, California, Alameda, Berkeley

University of Michigan
Catalog #: 684225
N.L. Gardner #s.n. 25 September 1902
Cladophora secunda Kützing
United States, California, Alameda, Berkeley

Michigan State University Algae
Catalog #: MSC0182009
N.L. Gardner #s.n. 25 September 1902
Cladophora secunda Kützing
United States, California, Alameda, Berkeley

Miami University - Algae
Catalog #: 000188226
N.L. Gardner #s.n.
Cladophora secunda Kützing
United States, California, Alameda, Berkeley

Yale University Herbarium
Catalog #: YU.094186
Nathaniel Lyon Gardner s.n. 25 September 1902
Cladophora secunda Kützing
United States, California, Alameda, North Berkeley, CA; North Berkeley, CA