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

Brown University - Algae
Catalog #: ABRU00003629
N. L. Gardner s.n.
Odonthalia semicostata J.Agardh, 1863
United States, Washington, west coast of Whidbey Island, WA

Miami University - Algae
Catalog #: 000187607
N.L. Gardner #s.n. 00 August 1899
Odonthalia semicostata J.Agardh, 1863
United States, Washington, Island, West coast of Whidbey Island

Yale University Herbarium
Catalog #: YU.092024
Nathaniel Lyon Gardner s.n. 00 August 1899
Odonthalia semicostata J.Agardh, 1863
United States, Washington, Island, west coast of Whidbey Island, WA