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

Brown University - Algae
Catalog #: ABRU00003970
N. L. Gardner s.n. 29 May 1903
Amphiroa tuberculosa f. planiuscula (Kützing) Setchell & Gardner
United States, California, Marin, Bolinas, CA

Field Museum of Natural History
Catalog #: C0516792F
N. L. Gardner #s.n. 29 May 1903
Amphiroa tuberculosa (Postels & Ruprecht) Endlichter
United States, California, Marin, Bolinas

University of Michigan
Catalog #: 675250
N.L. Gardner #s.n. 29 May 1903
Amphiroa tuberculosa (Postels & Ruprecht) Endlichter
United States, California, Marin, Bolinas

University of Michigan
Catalog #: 675252
N.L. Gardner #s.n. 29 May 1903
Amphiroa tuberculosa (Postels & Ruprecht) Endlichter
United States, California, Marin, Bolinas

Michigan State University Algae
Catalog #: MSC0181779
N.L. Gardner #s.n. 29 May 1903
Cheilosporum planiusculum (Kützing) Yendo
United States, California, Marin, Bolinas

Miami University - Algae
Catalog #: 000188246
N.L. Gardner #s.n. 29 May 1903
Cheilosporum planiusculum (Kützing) Yendo
United States, California, Marin, Bolinas

Yale University Herbarium
Catalog #: YU.094206
Nathaniel Lyon Gardner s.n. 29 May 1903
Amphiroa tuberculosa (Postels & Ruprecht) Endlichter
United States, California, Marin, Bolinas; Bolinas, CA