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

Brown University - Algae
Catalog #: ABRU00004523
N. L. Gardner s.n.
Gloeocapsa polydermatica Kützing
United States, California, near San Francisco, CA

Michigan State University Algae
Catalog #: MSC0182792
N.L. Gardner #s.n. 11 May 1903
Gloeocystis polydermatica (Kützing) Hindák
United States, California, San Francisco, San Francisco

Yale University Herbarium
Catalog #: YU.094994
Nathaniel Lyon Gardner s.n.
Gloeocapsa polydermatica Kützing
United States, California, near San Francisco, CA