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

Brown University - Algae
Catalog #: ABRU00004476
N. L. Gardner s.n. 23 January 1906
Plectonema battersii Gomont
United States, California, Land's End, San Francisco, CA

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0012551
N. L. Gardner s.n. 23 January 1906
Plectonema battersii Gomont
United States, California, San Francisco; Land's End, San Francisco, California

Michigan State University Algae
Catalog #: MSC0184217
N.L. Gardner #s.n. 23 January 1906
Pseudophormidium battersii (Gomont) Anagnostidis
United States, California, San Francisco, Land's End, San Francisco

Miami University - Algae
Catalog #: 000210557
N.L. Gardner #s.n.
Pseudophormidium battersii (Gomont) Anagnostidis
United States, California, San Francisco, Land's End, San Francisco

Yale University Herbarium
Catalog #: YU.094947
Nathaniel Lyon Gardner s.n. 23 January 1906
Plectonema battersii Gomont
United States, California, Land's End, San Francisco, CA