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

Brown University - Algae
Catalog #: ABRU00004473
N. L. Gardner s.n. 05 September 1905
Oscillatoria margaritifera Kützing ex Gomont
United States, California, Oakland, CA

Michigan State University Algae
Catalog #: MSC0183862
N.L. Gardner #s.n. 05 September 1905
Oscillatoria margaritifera Kützing ex Gomont
United States, California, Alameda, Oakland

Miami University - Algae
Catalog #: 000210553
N.L. Gardner #s.n. 05 September 1905
Oscillatoria margaritifera Kützing ex Gomont
United States, California, Alameda, Oakland

Yale University Herbarium
Catalog #: YU.094942
Nathaniel Lyon Gardner s.n. 05 September 1905
Oscillatoria margaritifera Kützing ex Gomont
United States, California, Alameda, Oakland; Oakland, CA