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

Brown University - Algae
Catalog #: ABRU00004602
F. S. Collins s.n. 24 September 1911
Staurastrum dickiei var. circulare W.B.Turner
United States, Massachusetts, Hemlock Pool, Middlesex Fells, MA

University of Michigan
Catalog #: 736480
F.S. Collins #s.n. 24 September 1911
Staurastrum dickiei var. circulare W.B.Turner
United States, Massachusetts, Middlesex, Hemlock Pool, Middlesex Fells

University of Michigan
Catalog #: 736481
F.S. Collins #s.n. 24 September 1911
Staurastrum dickiei var. circulare W.B.Turner
United States, Massachusetts, Middlesex, Hemlock Pool, Middlesex Fells

Michigan State University Algae
Catalog #: MSC0184864
F.S. Collins #s.n. 24 September 1911
Staurastrum dickiei var. circulare W.B.Turner
United States, Massachusetts, Middlesex, Hemlock Pool, Middlesex Fells

Miami University - Algae
Catalog #: 000189254
F.S. Collins #s.n. 24 September 1911
Staurastrum dickiei var. circulare W.B.Turner
United States, Massachusetts, Middlesex, Hemlock Pool, Middlesex Fells

Yale University Herbarium
Catalog #: YU.095073
Frank Shipley Collins s.n. 24 September 1911
Staurastrum dickiei var. circulare W.B.Turner
United States, Massachusetts, Middlesex, Hemlock Pool, Middlesex Fells, MA