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

Brown University - Algae
Catalog #: ABRU00003743
N. L. Gardner s.n.
Cryptosiphonia grayana (J.Agardh) J.Agardh
United States, Washington, west coast of Whidbey Island, WA

Field Museum of Natural History
Catalog #: C0513795F
N. L. Gardner #s.n.
Cryptosiphonia grayana (J.Agardh) J.Agardh
United States, Washington, West coast of Whidbey Island

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00216675
1dc4a251-0d76-4507-8743-caed55c54b03
N. L. Gardner #s.n.
Cryptosiphonia grayana (J.Agardh) J.Agardh
United States, Washington, Island, west coast of Whidbey Island, WA

University of Michigan
Catalog #: 649914
N.L. Gardner #s.n.
Cryptosiphonia woodii (J.Agardh) J.Agardh
United States, Washington, Island, West coast of Whidbey Island

University of Michigan
Catalog #: 649929
N.L. Gardner #s.n.
Cryptosiphonia grayana (J.Agardh) J.Agardh
United States, Washington, Island, West coast of Whidbey Island

Michigan State University Algae
Catalog #: MSC0182274
N.L. Gardner #s.n.
Cryptosiphonia woodii (J.Agardh) J.Agardh
United States, Washington, Island, West coast of Whidbey Island

Miami University - Algae
Catalog #: 000188025
N.L. Gardner #s.n.
Cryptosiphonia grayana (J.Agardh) J.Agardh
United States, Washington, Island, West coast of Whidbey Island

Yale University Herbarium
Catalog #: YU.092130
Nathaniel Lyon Gardner s.n.
Cryptosiphonia grayana (J.Agardh) J.Agardh
United States, Washington, Island, west coast of Whidbey Island, WA