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

University Herbarium, University of California, Berkeley
Catalog #: UC740505
Frank S. Collins #s.n. 24 May 1892
Cystoclonium purpureum (Hudson) Batters
United States, Massachusetts, Suffolk, Revere Beach

Brown University - Algae
Catalog #: ABRU00003186
Mrs. W. C. Simmons s.n.
Dermocarpa violacea P.L.Crouan & H.M.Crouan
United States, Rhode Island, Easton's Point, Newport, RI

Yale University Herbarium
Catalog #: YU.091639
Mrs. W. C. Simmons s.n. 00 September 1898
Dermocarpa violacea P.L.Crouan & H.M.Crouan
United States, Rhode Island, Newport, Newport; Easton's Point, Newport, RI

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00233832
df6a8c79-9fa8-47d6-8236-91f65597e609
Mrs. W. C. Simmons #s.n. 00 September 1898
Cyanocystis violacea (P.L.Crouan & H.M.Crouan) Kom
United States, Rhode Island, Newport, Easton's Point, Newport

Michigan State University Algae
Catalog #: MSC0182293
W.C. Simmons #s.n. 00 September 1898
Cyanocystis violacea (P.L.Crouan & H.M.Crouan) Komárek & Anagnostidis
United States, Rhode Island, Newport, Easton's Point, Newport

Miami University - Algae
Catalog #: 000187094
W.C. Simmons #s.n. 00 September 1898
Dermocarpa violacea P.L.Crouan & H.M.Crouan
United States, Rhode Island, Newport, Easton's Point, Newport