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

Brown University - Algae
Catalog #: ABRU00004930
N. L. Gardner s.n.
Ankistrodesmus falcatus (Corda) Ralfs
United States, California, Polytechnic High School, Los Angeles, CA

University of Michigan
Catalog #: 678358
N.L. Gardner #s.n. 00 February 1913
Ankistrodesmus falcatus (Corda) Ralfs
, Specimens were grown in aquarium, Polytechnic High School, Los Angeles

Michigan State University Algae
Catalog #: MSC0181216
N.L. Gardner #s.n. 00 February 1913
Ankistrodesmus falcatus var. acicularis (A.Braun) G.S.West
United States, California, Los Angeles, Polytechnic High School, Los Angeles

Miami University - Algae
Catalog #: 000210166
N.L. Gardner #s.n. 00 February 1913
Ankistrodesmus falcatus var. acicularis (A.Braun) G.S.West
United States, California, Los Angeles, Polytechnic High School, Los Angeles

Yale University Herbarium
Catalog #: YU.095400
Nathaniel Lyon Gardner s.n.
Ankistrodesmus falcatus var. acicularis (A.Braun) G.S.West
United States, California, Los Angeles; Polytechnic High School, Los Angeles, CA