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

Brown University - Algae
Catalog #: ABRU00003981
N. L. Gardner s.n.
Cosmarium bireme Nordstedt
United States, Washington, University of Washington, Seattle, WA

University of Michigan
Catalog #: 736070
N.L. Gardner #s.n. 00 January 1904
Cosmarium bireme Nordstedt
United States, Washington, King, University of Washington, Seattle

University of Michigan
Catalog #: 736071
N.L. Gardner #s.n. 00 January 1904
Cosmarium bireme Nordstedt
United States, Washington, King, University of Washington, Seattle

Michigan State University Algae
Catalog #: MSC0182197
N.L. Gardner #s.n. 00 January 1904
Cosmarium bireme Nordstedt
United States, Washington, King, University of Washington, Seattle

Miami University - Algae
Catalog #: 000188256
N.L. Gardner #s.n. 00 January 1904
Cosmarium bireme Nordstedt
United States, Washington, King, University of Washington, Seattle

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00142650
a4f04186-19f2-4cc8-ac10-0879bcbdf3f7
N.L. Gardner #s.n. 00 January 1904
Cosmarium bireme Nordstedt
United States, Washington, King, University of Washington, Seattle

Yale University Herbarium
Catalog #: YU.094286
Nathaniel Lyon Gardner s.n.
Cosmarium bireme Nordstedt
United States, Washington, University of Washington, Seattle, WA