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

Brown University - Algae
Catalog #: ABRU00003603
N. L. Gardner s.n.
Cladophora callicoma Kützing
United States, Washington, Lake Washington, Seattle, WA

Miami University - Algae
Catalog #: 000187582
N. L. Gardner #s.n. 00 December 1899
Cladophora callicoma Kützing
United States, Washington, King, Lake Washington, Seattle

University of Michigan
Catalog #: 684006
N.L. Gardner #s.n. 00 December 1899
Cladophora glomerata (Linnaeus) Kützing
United States, Washington, King, Lake Washington, Seattle

University of Michigan
Catalog #: 684010
N.L. Gardner #s.n. 00 December 1899
Cladophora glomerata var. crassior (C.Agardh) Hoek
United States, Washington, King, Lake Washington, Seattle

Michigan State University Algae
Catalog #: MSC0181906
N.L. Gardner #s.n. 00 December 1899
Cladophora glomerata var. crassior (C.Agardh) Hoek
United States, Washington, King, Lake Washington, Seattle

Yale University Herbarium
Catalog #: YU.106578
Nathaniel Lyon Gardner s.n. 00 December 1899
Cladophora callicoma Kützing
United States, Washington, Lake Washington, Seattle, WA