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

Brown University - Algae
Catalog #: ABRU00004426
F. S. Collins s.n. 03 July 1910
Oedogonium echinospermum A.Braun ex Hirn
United States, Massachusetts, Eastham, MA

University of Michigan
Catalog #: 730466
F.S. Collins #s.n. 03 July 1910
Oedogonium echinospermum A.Braun ex Hirn
United States, Massachusetts, Barnstable, Eastham

University of Michigan
Catalog #: 730468
F.S. Collins #s.n. 03 July 1910
Oedogonium echinospermum A.Braun ex Hirn
United States, Massachusetts, Barnstable, Eastham

Michigan State University Algae
Catalog #: MSC0183787
F.S. Collins #s.n. 03 July 1910
Oedogonium echinospermum A.Braun ex Hirn
United States, Massachusetts, Barnstable, Eastham

Yale University Herbarium
Catalog #: YU.094737
Frank Shipley Collins s.n. 03 July 1910
Oedogonium echinospermum A.Braun ex Hirn
United States, Massachusetts, Barnstable, Eastham; Eastham, MA