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

Brown University - Algae
Catalog #: ABRU00003039
Mrs. W. C. Simmons s.n.
Actinococcus subcutaneus (Lyngbye ex Hornemann) Rosenvinge
United States, Rhode Island, Newport, RI

Yale University Herbarium
Catalog #: YU.091511
Mrs. W. C. Simmons s.n.
Actinococcus subcutaneus (Lyngbye ex Hornemann) Rosenvinge
United States, Rhode Island, Newport, Newport; Newport, RI

University of Michigan
Catalog #: 640998
Mrs. W.C. Simmons #s.n.
Actinococcus subcutaneus (Lyngbye ex Hornemann) Rosenvinge
United States, Rhode Island, Newport

University of Michigan
Catalog #: 648935
Mrs. W.C. Simmons #s.n.
Coccotylus truncatus (Pallas) M.J.Wynne & J.N.Heine
United States, Rhode Island, Newport

Miami University - Algae
Catalog #: 000186843
Mrs. W.C. Simmons #s.n.
Actinococcus subcutaneus (Lyngbye ex Hornemann) Rosenvinge
United States, Rhode Island, Newport

Field Museum of Natural History
Catalog #: C0501148F
W. C. Simmons #s.n.
Actinococcus subcutaneus (Lyngbye ex Hornemann) Rosenvinge
United States, Rhode Island, Newport

University Herbarium, University of California, Berkeley
Catalog #: UC111603
W. C. Simmons #s.n.
Coccotylus truncatus (Pallas) M.J.Wynne & J.N.Heine
United States, Rhode Island, Newport, Rhode Island.

Michigan State University Algae
Catalog #: MSC0182077
W.C. Simmons #s.n.
Coccotylus truncatus (Pallas) M.J.Wynne & J.N.Heine
United States, Rhode Island, Newport, Newport