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

Brown University - Algae
Catalog #: ABRU00003143
H. M. Richards s.n. 09 July 1894
Oedogonium rufescens Wittrock ex Hirn
United States, Rhode Island, Jamestown; Conanicut, RI

University Herbarium, University of California, Berkeley
Catalog #: UC1515898
H. M. Richards #s.n. 09 July 1894
Oedogonium rufescens Wittrock ex Hirn
United States, Rhode Island, Conanicut, Rhode Island.

Michigan State University Algae
Catalog #: MSC0183821
H.M. Richards #s.n. 09 July 1894
Oedogonium rufescens Wittrock ex Hirn
United States, Rhode Island, Newport, Conanicut

Miami University - Algae
Catalog #: 000186929
H.M. Richards #s.n. 09 July 1894
Oedogonium rufescens Wittrock ex Hirn
United States, Rhode Island, Newport, Conanicut

University of Michigan
Catalog #: 730546
Herbert M. Richards #s.n. 09 July 1894
Oedogonium rufescens Wittrock ex Hirn
United States, Rhode Island, Newport, Conanicut

University of Michigan
Catalog #: 730547
Herbert M. Richards #s.n. 09 July 1894
Oedogonium rufescens Wittrock ex Hirn
United States, Rhode Island, Newport, Conanicut

Yale University Herbarium
Catalog #: YU.091604
Herbert Maule Richards s.n. 09 July 1894
Oedogonium rufescens Wittrock ex Hirn
United States, Rhode Island, Newport, Jamestown; Conanicut, RI