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

Brown University - Algae
Catalog #: ABRU00003652
F. S. Collins s.n. 20 May 1902
Spirogyra decimina var. triplicata Collins
United States, Massachusetts, Somerville, MA

University Herbarium, University of California, Berkeley
Catalog #: UC111732
F. S. Collins #s.n. 20 May 1902
Spirogyra decimina (O.F.Müller) Dumortier
United States, Massachusetts, Middlesex, In pool in slate quarry, Somerville.

University of Michigan
Catalog #: 736623
F.S. Collins #s.n. 20 May 1902
Spirogyra decimina var. triplicata Collins
United States, Massachusetts, Middlesex, Somerville.

Michigan State University Algae
Catalog #: MSC0184782
F.S. Collins #s.n. 20 May 1902
Spirogyra triplicata (Collins) Transeau
United States, Massachusetts, Middlesex, Somerville

Miami University - Algae
Catalog #: 000187932
F.S. Collins #s.n. 20 May 1902
Spirogyra decimina var. triplicata Collins
United States, Massachusetts, Middlesex, Somerville.

Yale University Herbarium
Catalog #: YU.092043
Frank Shipley Collins s.n. 20 May 1902
Spirogyra decimina var. triplicata Collins
United States, Massachusetts, Somerville, MA