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

Brown University - Algae
Catalog #: ABRU00003344
Mrs. W. C. Simmons s.n.
Cystoclonium purpurascens (Hudson) Kützing
United States, Rhode Island, Newport, RI

Yale University Herbarium
Catalog #: YU.091773
Mrs. W. C. Simmons s.n. 00 June 1899
Cystoclonium purpurascens (Hudson) Kützing
United States, Rhode Island, Newport, Newport; Newport, RI

Miami University - Algae
Catalog #: 000187293
Mrs. W.C. Simmons #s.n. 00 June 1899
Cystoclonium purpurascens (Hudson) Kützing
United States, Rhode Island, Newport, Newport