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

Brown University - Algae
Catalog #: ABRU00004589
C. Bullard s.n. 06 September 1911
Cosmarium dentatum Wolle
United States, Massachusetts, Lily Pool, Mountain Park, Mount Tom, MA

Yale University Herbarium
Catalog #: YU.095060
Charles Bullard s.n. 06 September 1911
Cosmarium dentatum Wolle
United States, Massachusetts, Lily Pool, Mountain Park, Mount Tom, MA

University of Michigan
Catalog #: 736109
Charles Bullard #s.n. 06 September 1911
Cosmarium dentatum Wolle
United States, Massachusetts, Hampshire, Mountain Park, Mount Tom

University of Michigan
Catalog #: 736110
Charles Bullard #s.n. 06 September 1911
Cosmarium dentatum Wolle
United States, Massachusetts, Hampshire, Mountain Park, Mount Tom

Michigan State University Algae
Catalog #: MSC0182206
Charles Bullard #s.n. 06 September 1911
Cosmarium dentatum Wolle
United States, Massachusetts, Hampshire, Mountain Park, Mount Tom

Miami University - Algae
Catalog #: 000189241
Charles Bullard #s.n.
Cosmarium dentatum Wolle
United States, Massachusetts, Hampshire, Mountain Park, Mount Tom