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

Brown University - Algae
Catalog #: ABRU00003934
F. S. Collins s.n. 10 September 1904
Spirogyra fluviatilis Hilse
United States, Massachusetts, Fresh Pond, Cambridge, MA

University Herbarium, University of California, Berkeley
Catalog #: UC1827954
F. S. Collins #s.n. 10 September 1904
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Fresh Pond, Cambridge

University of Michigan
Catalog #: 736632
F.S. Collins #s.n. 10 September 1904
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Fresh Pond, Cambridge

University of Michigan
Catalog #: 736636
F.S. Collins #s.n. 10 September 1904
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Fresh Pond, Cambridge

Michigan State University Algae
Catalog #: MSC0184762
F.S. Collins #s.n. 10 September 1904
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Fresh Pond, Cambridge

Miami University - Algae
Catalog #: 000188213
F.S. Collins #s.n.
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Fresh Pond, Cambridge

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00147784
822ca8c7-3467-4fe6-bab9-9a66fd12c29d
F.S. Collins #s.n. 10 September 1904
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Fresh Pond, Cambridge

Yale University Herbarium
Catalog #: YU.094173
Frank Shipley Collins s.n. 10 September 1904
Spirogyra fluviatilis Hilse
United States, Massachusetts, Middlesex, Cambridge; Fresh Pond, Cambridge, MA