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

Brown University - Algae
Catalog #: ABRU00004470
F. S. Collins s.n. 13 July 1907
Oscillatoria margaritifera Kützing ex Gomont
United States, Massachusetts, Eastham, MA

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0021456
F.S. Collins s.n. 13 July 1907
Oscillatoria margaritifera Kützing ex Gomont
United States, Massachusetts, In salt marshes, Eastham

Michigan State University Algae
Catalog #: MSC0183859
F.S. Collins #s.n. 13 July 1907
Oscillatoria margaritifera Kützing ex Gomont
United States, Massachusetts, Barnstable, Eastham

Miami University - Algae
Catalog #: 000210550
F.S. Collins #s.n.
Oscillatoria margaritifera Kützing ex Gomont
United States, Massachusetts, Barnstable, Eastham

Yale University Herbarium
Catalog #: YU.094939
Frank Shipley Collins s.n. 13 July 1907
Oscillatoria margaritifera Kützing ex Gomont
United States, Massachusetts, Barnstable, Eastham; Eastham, MA