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

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0021485
F.S. Collins s.n. 03 July 1910
Oedogonium echinospermum A.Braun ex Hirn
United States, Massachusetts, Eastham;

Miami University - Algae
Catalog #: 000189199
F.S. Collins #s.n.
Oedogonium echinospermum A.Braun ex Hirn
United States, Massachusetts, Middlesex, Middlesex Fells