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

Brown University - Algae
Catalog #: ABRU00003108
Mrs. W. C. Simmons s.n.
Cystoclonium purpurascens (Hudson) Kützing
United States, Rhode Island, Newport, RI

Yale University Herbarium
Catalog #: YU.091571
Mrs. W. C. Simmons s.n. 00 May 1898
Cystoclonium purpureum f. cirrhosum J.Agardh ex A.D.Zinova
United States, Rhode Island, Newport, Newport; Newport, RI

University of Michigan
Catalog #: 650069
Mrs. W.C. Simmons #s.n. 00 May 1898
Cystoclonium purpureum (Hudson) Batters
United States, Rhode Island, Newport, Newport

University of Michigan
Catalog #: 650074
Mrs. W.C. Simmons #s.n. 00 May 1898
Cystoclonium purpureum (Hudson) Batters
United States, Rhode Island, Newport, Newport

Field Museum of Natural History
Catalog #: C0506823F
Mrs. W.C. Simmons #s.n. 00 May 1898
Cystoclonium purpureum var. cirrhosum J.Agardh ex Lily Newton
United States, Rhode Island, Newport

Michigan State University Algae
Catalog #: MSC0182328
Mrs. W.C. Simmons #s.n. 00 May 1898
Cystoclonium purpureum (Hudson) Batters
United States, California, Newport, Newport

Miami University - Algae
Catalog #: 000186896
Mrs. W.C. Simmons #s.n. 00 May 1898
Cystoclonium purpurascens (Hudson) Kützing
United States, California, Newport, Newport

University Herbarium, University of California, Berkeley
Catalog #: UC1845891
W. C. Simmons #s.n. 00 May 1898
Cystoclonium purpureum (Hudson) Batters
United States, Rhode Island, Newport, Rhode Island.