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

Brown University - Algae
Catalog #: ABRU00004161
F. S. Collins s.n. 11 July 1907
Oedogonium fragile Wittrock ex Hirn
United States, Massachusetts, Jemima's Pond, Eastham, MA

University of Michigan
Catalog #: 730474
F.S. Collins #s.n. 11 July 1907
Oedogonium fragile Wittrock ex Hirn
United States, Massachusetts, Barnstable, Jemima's Pond, Eastham

University of Michigan
Catalog #: 730475
F.S. Collins #s.n. 11 July 1907
Oedogonium fragile Wittrock ex Hirn
United States, Massachusetts, Barnstable, Jemima's Pond, Eastham

Michigan State University Algae
Catalog #: MSC0183789
F.S. Collins #s.n. 11 July 1907
Oedogonium fragile Wittrock ex Hirn
United States, Massachusetts, Barnstable, Jemima's Pond, Eastham

Miami University - Algae
Catalog #: 000188498
F.S. Collins #s.n.
Oedogonium fragile Wittrock ex Hirn
United States, Massachusetts, Barnstable, Jemima's Pond, Eastham

Yale University Herbarium
Catalog #: YU.094468
Frank Shipley Collins s.n. 11 July 1907
Oedogonium fragile Wittrock ex Hirn
United States, Massachusetts, Barnstable, Eastham; Jemima's Pond, Eastham, MA