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

Brown University - Algae
Catalog #: ABRU00005245
N. L. Gardner s.n.
Pterygophora californica Ruprecht
United States, Washington, west coast of Whidbey Island, WA

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0015646
N. L. Gardner #108 00 July 1908
Pterygophora californica Ruprecht
United States, Washington, Island, Whidbey Island

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0015647
N. L. Gardner #CVIII 00 July 1908
Pterygophora californica Ruprecht
United States, Washington, Island, Whidbey Island

Field Museum of Natural History
Catalog #: C0521047F
N. L. Gardner #s.n. 00 July 1908
Pterygophora californica Ruprecht
United States, Washington, west coast of Whidbey Island

University of Michigan
Catalog #: 612211
N.L. Gardner #s.n. 00 July 1908
Pterygophora californica Ruprecht, 1852
United States, Washington, Island, West coast of Whidbey Island

University of Michigan
Catalog #: 612219
N.L. Gardner #s.n. 00 July 1908
Pterygophora californica Ruprecht, 1852
United States, Washington, Island, West coast of Whidbey Island

Michigan State University Algae
Catalog #: MSC0184369
N.L. Gardner #s.n. 00 July 1908
Pterygophora californica Ruprecht
United States, Washington, Island, West coast of Whidbey Island

Miami University - Algae
Catalog #: 000210729
N.L. Gardner #s.n. 00 July 1908
Pterygophora californica Ruprecht
United States, Washington, Island, West coast of Whidbey Island