Allen, Characeae Amer. Exs.
Allen, T.F. [1-46]

University of Massachusetts - Amherst
Catalog #: 00381935
T. F. Allen s.n.
Nitella flexilis f. longifolia L.J.Wahlstedt
United States, New York, Westchester, Westchester, NY

Field Museum of Natural History
Catalog #: C0544481F
T. F. Allen #s.n.
Nitella flexilis (Linnaeus) C.Agardh
United States, New York, Westchester, [precise locality unknown]

University Herbarium, University of California, Berkeley
Catalog #: UC132514
T. F. Allen #s.n.
Nitella flexilis (Linnaeus) C.Agardh
United States, New York, Westchester

University Herbarium, University of California, Berkeley
Catalog #: UC2040189
T. F. Allen #s.n.
Nitella flexilis (Linnaeus) C.Agardh
United States, New York, Westchester

University Herbarium, University of California, Berkeley
Catalog #: UC2040133
T. F. Allen #s.n.
Nitella flexilis (Linnaeus) C.Agardh
United States, New York, Westchester

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00142037
a8bc088b-a3a7-47ae-bcdf-629fef386d27
T. F. Allen #s.n.
Nitella flexilis (Linnaeus) C.Agardh
United States, New York, Westchester, Westchester

University of Michigan
Catalog #: 677636
T.F. Allen #s.n.
Nitella flexilis (Linnaeus) C.Agardh
United States, New York, Westchester, [No precise loc]