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

Brown University - Algae
Catalog #: ABRU00004542
F. S. Collins s.n. 24 September 1911
Spirogyra neglecta (Hassall) Kützing
United States, Massachusetts, Medford, MA

University of Michigan
Catalog #: 736686
F.S. Collins #s.n. 24 September 1911
Spirogyra neglecta (Hassall) Kützing
United States, Massachusetts, Middlesex, Medford

University of Michigan
Catalog #: 736687
F.S. Collins #s.n. 24 September 1911
Spirogyra neglecta (Hassall) Kützing
United States, Massachusetts, Middlesex, Medford

Michigan State University Algae
Catalog #: MSC0184787
F.S. Collins #s.n. 24 September 1911
Spirogyra neglecta (Hassall) Kützing
United States, Massachusetts, Middlesex, Medford

Miami University - Algae
Catalog #: 000189145
F.S. Collins #s.n. 24 September 1911
Spirogyra neglecta (Hassall) Kützing
United States, Massachusetts, Middlesex, Medford

Yale University Herbarium
Catalog #: YU.095013
Frank Shipley Collins s.n. 24 September 1911
Spirogyra neglecta (Hassall) Kützing
United States, Massachusetts, Middlesex, Medford; Medford, MA