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

Brown University - Algae
Catalog #: ABRU00003525
I. Holden s.n. 04 July 1891
Ceramium strictum (Kützing) Rabenhorst
United States, Connecticut, Bridgeport, CT

Field Museum of Natural History
Catalog #: C0515421F
I. Holden #s.n. 04 July 1891
Ceramium strictum (Kützing) Rabenhorst
United States, Connecticut, Fairfield, Bridgeport

Yale University Herbarium
Catalog #: YU.106573
Isaac Holden s.n. 04 July 1891
Ceramium strictum (Kützing) Rabenhorst
United States, Connecticut, Fairfield, Bridgeport; Bridgeport, CT

University Herbarium, University of California, Berkeley
Catalog #: UC1843227
Isaac Holden #846b 04 July 1891
Ceramium strictum (Kützing) Rabenhorst
United States, Connecticut, Bridgeport

University of Michigan
Catalog #: 646400
Isaac Holden #s.n. 04 July 1891
Ceramium deslongchampsii Chauvin ex Duby
United States, Connecticut, Bridgeport

University of Michigan
Catalog #: 646498
Isaac Holden #s.n. 04 July 1891
Ceramium diaphanum (Lightfoot) Roth
United States, Connecticut, Bridgeport

Michigan State University Algae
Catalog #: MSC0181643
Isaac Holden #s.n. 04 July 1891
Ceramium strictum (Kützing) Rabenhorst
United States, Connecticut, Fairfield, Bridgeport

Miami University - Algae
Catalog #: 000187481
Isaac Holden #s.n. 04 July 1891
Ceramium strictum (Kützing) Rabenhorst
United States, Connecticut, Bridgeport