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

Brown University - Algae
Catalog #: ABRU00003751
N. L. Gardner s.n.
Oscillatoria sancta Kützing ex Gomont
United States, California, Golden Gate Park, San Francisco, CA

Michigan State University Algae
Catalog #: MSC0183879
N.L. Gardner #s.n. 00 December 1902
Oscillatoria sancta f. caldariorum (Hauck) Lagerheim
United States, California, San Francisco, Golden Gate Park

Miami University - Algae
Catalog #: 000188033
N.L. Gardner #s.n. 00 December 1902
Oscillatoria sancta Kützing ex Gomont
United States, California, San Francisco, Golden Gate Park

Yale University Herbarium
Catalog #: YU.092138
Nathaniel Lyon Gardner s.n.
Oscillatoria sancta Kützing ex Gomont
United States, California, San Francisco, San Francisco; Golden Gate Park, San Francisco, CA