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

Brown University - Algae
Catalog #: ABRU00004150
F. S. Collins s.n. 07 September 1907
Spirogyra fluviatilis Hilse
United States, Massachusetts, Medford, MA

University of Michigan
Catalog #: 736633
F.S. Collins #s.n. 07 September 1907
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Medford

University of Michigan
Catalog #: 736637
F.S. Collins #s.n. 07 September 1907
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Medford

Michigan State University Algae
Catalog #: MSC0184761
F.S. Collins #s.n. 07 September 1907
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Medford

Miami University - Algae
Catalog #: 000188487
F.S. Collins #s.n.
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Medford

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00147786
0a3a3f46-b347-4974-9341-6fb286c333a8
F.S. Collins #s.n. 07 September 1907
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Medford

Yale University Herbarium
Catalog #: YU.094457
Frank Shipley Collins s.n. 07 September 1907
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Medford; Medford, MA