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

Michigan State University Algae
Catalog #: MSC0181384
E. Snyder #s.n. 30 March 1898
Bonnemaisonia hamifera Hariot
United States, California, San Diego, Pacific Beach

University of Michigan
Catalog #: 659108
Mary S. Snyder #s.n. 30 March 1898
Hypnea J.V.Lamouroux, 1813
United States, California, San Diego, Pacific Beach

University of Michigan
Catalog #: 659109
Mary S. Snyder #s.n. 30 March 1898
Hypnea J.V.Lamouroux, 1813
United States, California, San Diego, Pacific Beach

Brown University - Algae
Catalog #: ABRU00003109
Mrs. E. Snyder s.n. 30 March 1898
Hypnea adunca J. Agardh.
United States, California, Pacific Beach, CA

Yale University Herbarium
Catalog #: YU.091572
Mrs. E. Snyder s.n. 30 March 1898
Hypnea valentiae (Turner) Montagne
United States, California, San Diego, San Diego; Pacific Beach, CA

Miami University - Algae
Catalog #: 000186897
Mrs. E. Snyder #s.n. 30 March 1898
Hypnea adunca var. cirrhosa
United States, California, San Diego, Pacific Beach

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00218289
0af69dd6-a5a5-4e64-a830-6f999af03a29
Mrs. E. Snyder #s.n. 30 March 1898
Hypnea adunca Agardh
United States, California, San Diego, Pacific Beach