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

Brown University - Algae
Catalog #: ABRU00003867
N. L. Gardner s.n.
Clathrocystis aeruginosa (Kützing) Henfrey
United States, Washington, Green Lake, Seattle, WA

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00237829
e3bb16f9-6467-4d5d-b6be-79afad7a9dbb
N. L. Gardner #s.n. 00 December 1903
Microcystis aeruginosa (K
United States, Washington, in Green Lake, Seattle, Washington

Michigan State University Algae
Catalog #: MSC0183501
N.L. Gardner #s.n. 00 December 1903
Microcystis aeruginosa (Kützing) Kützing
United States, Washington, King, Green Lake, Seattle

Miami University - Algae
Catalog #: 000188147
N.L. Gardner #s.n. 00 December 1903
Microcystis aeruginosa (Kützing) Kützing
United States, Washington, King, Green Lake, Seattle

Yale University Herbarium
Catalog #: YU.092236
Nathaniel Lyon Gardner s.n.
Clathrocystis aeruginosa (Kützing) Henfrey
United States, Washington, Green Lake, Seattle, WA