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

Brown University - Algae
Catalog #: ABRU00005028
A. B. Seymour s.n.
Ankistrodesmus falcatus var. duplex (Kützing) G.S.West
United States, Massachusetts, Waverly, MA

University of Michigan
Catalog #: 678357
A.B. Seymour #s.n. 00 March 1916
Ankistrodesmus falcatus (Corda) Ralfs
United States, Massachusetts, Middlesex, Waverley

University of Michigan
Catalog #: 678367
A.B. Seymour #s.n. 00 March 1916
Ankistrodesmus falcatus var. duplex (Kützing) G.S.West
United States, Massachusetts, Middlesex, Specimens were grown in a culture, Waverley, Massachusetts

Michigan State University Algae
Catalog #: MSC0181218
A.B. Seymour #s.n. 00 March 1916
Ankistrodesmus falcatus var. duplex (Kützing) G.S.West
United States, Massachusetts, Middlesex, Waverley

Miami University - Algae
Catalog #: 000210257
A.B. Seymour #s.n. 00 March 1916
Ankistrodesmus falcatus var. duplex (Kützing) G.S.West
United States, Massachusetts, Middlesex, Waverley

Yale University Herbarium
Catalog #: YU.095500
Arthur Bliss Seymour s.n.
Ankistrodesmus falcatus var. duplex (Kützing) G.S.West
United States, Massachusetts, Waverly, MA

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0000984
Seymour, A. B. #P.B.-A. 2226 00 March 1916
Ankistrodesmus falcatus var. duplex (KueŸtzing) G.S.West
United States, Massachusetts, Middlesex, Waverley; In a culture, Waverley, Massachusetts