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

Brown University - Algae
Catalog #: ABRU00004440
N. L. Gardner s.n.
Rhizoclonium riparium var. validum (Foslie) De Toni
United States, Washington, Camano Island, WA

Field Museum of Natural History
Catalog #: C0531807F
N. L. Gardner #s.n. 00 August 1908
Rhizoclonium riparium (Roth) Harvey
United States, Washington, Island, Camano Island

University of Michigan
Catalog #: 731821
N.L. Gardner #s.n. 00 August 1908
Rhizoclonium riparium var. validum (Foslie) De Toni
United States, Washington, Island, Camano Island

University of Michigan
Catalog #: 731828
N.L. Gardner #s.n. 00 August 1908
Rhizoclonium riparium (Roth) Harvey
United States, Washington, Island, Camano Island

Michigan State University Algae
Catalog #: MSC0184449
N.L. Gardner #s.n. 00 August 1908
Rhizoclonium riparium var. validum (Foslie) De Toni
United States, Washington, Island, Camano Island

Miami University - Algae
Catalog #: 000189214
N.L. Gardner #s.n. 00 August 1908
Rhizoclonium riparium var. validum (Foslie) De Toni
United States, Washington, Island, Camano Island

Yale University Herbarium
Catalog #: YU.094752
Nathaniel Lyon Gardner s.n.
Rhizoclonium riparium var. validum (Foslie) De Toni
United States, Washington, Camano Island, WA