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

Brown University - Algae
Catalog #: ABRU00004315
F. S. Collins s.n. 20 June 1909
Cosmarium punctulatum Brébisson
United States, Massachusetts, North Saugus, MA

University Herbarium, University of California, Berkeley
Catalog #: UC751174
F. S. Collins #s.n. 20 June 1909
Cosmarium punctulatum Brébisson
United States, Massachusetts, Essex, North Saugus

University of Michigan
Catalog #: 736170
F.S. Collins #s.n. 20 June 1909
Cosmarium punctulatum Brébisson
United States, Massachusetts, Essex, North Saugus

University of Michigan
Catalog #: 736172
F.S. Collins #s.n. 20 June 1909
Cosmarium punctulatum Brébisson
United States, Massachusetts, Essex, North Saugus

Michigan State University Algae
Catalog #: MSC0182226
F.S. Collins #s.n. 20 June 1909
Cosmarium punctulatum Brébisson
United States, Massachusetts, Essex, North Saugus

Miami University - Algae
Catalog #: 000189041
F.S. Collins #s.n.
Cosmarium punctulatum Brébisson
United States, Massachusetts, Essex, North Saugus

Yale University Herbarium
Catalog #: YU.094622
Frank Shipley Collins s.n. 20 June 1909
Cosmarium punctulatum Brébisson
United States, Massachusetts, North Saugus, MA