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

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0008127
Collins, Frank Shipley #P.B.-A. 1364 16 September 1906
Cosmarium subcrenatum Hantzsch
United States, New Hampshire, Carroll, Chocorua, New Hampshire.

Brown University - Algae
Catalog #: ABRU00004093
F. S. Collins s.n. 16 September 1906
Cosmarium subcrenatum Hantzsch
United States, New Hampshire, Carroll, Tamworth; Chocorua, NH

University of Michigan
Catalog #: 736196
F.S. Collins #s.n. 16 September 1906
Cosmarium subcrenatum Hantzsch
United States, New Hampshire, Carroll, Chocorua

University of Michigan
Catalog #: 736197
F.S. Collins #s.n. 16 September 1906
Cosmarium subcrenatum Hantzsch
United States, New Hampshire, Carroll, Chocorua

Michigan State University Algae
Catalog #: MSC0182237
F.S. Collins #s.n. 16 September 1906
Cosmarium subcrenatum Hantzsch
United States, New Hampshire, Carroll, Chocorua

Miami University - Algae
Catalog #: 000188433
F.S. Collins #s.n.
Cosmarium subcrenatum Hantzsch
United States, New Hampshire, Carroll, Chocorua

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00142682
7518a7d4-8441-40e0-bd07-ae21bb59f0c8
F.S. Collins #s.n. 16 September 1906
Cosmarium subcrenatum Hantzsch
United States, New Hampshire, Carroll, Chocorua

Yale University Herbarium
Catalog #: YU.094401
Frank Shipley Collins s.n. 16 September 1906
Cosmarium subcrenatum Hantzsch
United States, New Hampshire, Carroll, Tamworth; Chocorua, NH