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

University Herbarium, University of California, Berkeley
Catalog #: UC1834398
C. Messina #s.n.
Padina durvillei Bory Saint-Vincent
United States, Florida, Monroe, Key West

Field Museum of Natural History
Catalog #: C0501090F
M. S. Snyder s.n.
Gigartina horrida (C.Agardh) Greville
United States, California, San Diego, La Jolla

University of Michigan
Catalog #: 654724
Mary S. Snyder #s.n.
Gigartina leptorhynchos J.Agardh
United States, California, San Diego, La Jolla

University of Michigan
Catalog #: 662620
Mary S. Snyder #s.n.
Mazzaella leptorhynchos (J.Agardh) Leister
United States, California, San Diego, La Jolla

Brown University - Algae
Catalog #: ABRU00002686
Mrs. E. Snyder s.n.
Gigartina horrida (C.Agardh) Greville
United States, California, La Jolla, CA

Yale University Herbarium
Catalog #: YU.091217
Mrs. E. Snyder s.n.
Gigartina horrida (C.Agardh) Greville
United States, California, San Diego, La Jolla, CA

Michigan State University Algae
Catalog #: MSC0183392
Mrs. E. Snyder #s.n.
Mazzaella leptorhynchos (J.Agardh) Leister
United States, California, San Diego, La Jolla

Miami University - Algae
Catalog #: 000186486
Mrs. E. Snyder #s.n.
Gigartina horrida (C.Agardh) Greville
United States, California, San Diego, La Jolla