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-0007097
Gardner, N. L. #P.B.-A. 2241 00 April 1915
Cladophora rudolphiana f. eramosa N.L.Gardner
United States, California, Alameda, Oakland; Key Route Power House, Oakland, California

Brown University - Algae
Catalog #: ABRU00005052
N. L. Gardner s.n.
Cladophora rudolphiana (C.Agardh) Kützing
United States, California, Key Route Power House, Oakland, CA

Field Museum of Natural History
Catalog #: C0530111F
N. L. Gardner #s.n. 00 April 1915
Cladophora gracilis (Griffiths) Kützing
United States, California, Alameda, Oakland; Key Route Power House

University of Michigan
Catalog #: 725080
N.L. Gardner #s.n. 00 April 1915
Cladophora rudolphiana f. eramosa N.L.Gardner
United States, California, Alameda, Key Route Power House, Oakland

Michigan State University Algae
Catalog #: MSC0182011
N.L. Gardner #s.n. 00 April 1915
Cladophora sericea (Hudson) Kützing
United States, California, Alameda, Key Route Power House, Oakland

Miami University - Algae
Catalog #: 000210272
N.L. Gardner #s.n. 00 April 1915
Cladophora sericea (Hudson) Kützing
United States, California, Alameda, Key Route Power House, Oakland

Yale University Herbarium
Catalog #: YU.095518
Nathaniel Lyon Gardner s.n.
Cladophora rudolphiana (C.Agardh) Kützing
United States, California, Oakland; Key Route Power House, Oakland, CA