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

Brown University - Algae
Catalog #: ABRU00004472
N. L. Gardner s.n.
Oscillatoria margaritifera Kützing ex Gomont
United States, California, Oakland, CA

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0021458
N.L. Gardner s.n. 00 August 1905
Oscillatoria margaritifera Kützing ex Gomont
United States, California, Oakland

Michigan State University Algae
Catalog #: MSC0183861
N.L. Gardner #s.n. 00 August 1905
Oscillatoria margaritifera Kützing ex Gomont
United States, California, Alameda, Oakland

Miami University - Algae
Catalog #: 000210552
N.L. Gardner #s.n. 00 August 1905
Oscillatoria margaritifera Kützing ex Gomont
United States, California, Alameda, Oakland

Yale University Herbarium
Catalog #: YU.094941
Nathaniel Lyon Gardner s.n.
Oscillatoria margaritifera Kützing ex Gomont
United States, California, Alameda, Oakland; Oakland, CA