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

Brown University - Algae
Catalog #: ABRU00004342
W. D. Hoyt s.n.
Acrochaetium dufourii Collins
United States, North Carolina, Beaufort, NC

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0016508
W. D. Hoyt #1594
Colaconema hallandicum (Kylin) Afonso-Carillo, Sanson, Sangil & Diaz-Villa
United States, North Carolina, Carteret, Beaufort

University of Michigan
Catalog #: 640626
W.D. Hoyt #s.n.
Acrochaetium dufourii Collins
United States, North Carolina, Beaufort

Michigan State University Algae
Catalog #: MSC0181024
W.D. Hoyt #s.n.
Acrochaetium hallandicum (Kylin) G.Hamel
United States, North Carolina, Carteret, Beaufort

Miami University - Algae
Catalog #: 000189067
W.D. Hoyt #s.n. 22 August 2015
Acrochaetium hallandicum (Kylin) G.Hamel
United States, North Carolina, Carteret, Beaufort

Yale University Herbarium
Catalog #: YU.094650
William Dana Hoyt s.n.
Acrochaetium dufourii Collins
United States, North Carolina, Beaufort; Beaufort, NC