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

Brown University - Algae
Catalog #: ABRU00004512
N. L. Gardner s.n.
Nitophyllum fryeanum Harvey
United States, Washington, Whidbey Island, WA

Miami University - Algae
Catalog #: 000210592
N.L. Gardner #s.n. 00 July 1910
Hymenena fryeana (Harvey) N.L.Gardner
United States, Washington, Island, Whidbey Island, Washington, opposite Port Townsend

Yale University Herbarium
Catalog #: YU.094983
Nathaniel Lyon Gardner s.n.
Nitophyllum fryeanum Harvey
United States, Washington, Island, Whidbey Island, WA