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

Brown University - Algae
Catalog #: ABRU00004169
F. S. Collins s.n. 09 June 1907
Nitella flexilis (Linnaeus) C.Agardh
United States, Massachusetts, Middlesex Fells, MA

Field Museum of Natural History
Catalog #: C0544463F
F. S. Collins #s.n. 09 June 1907
Nitella flexilis (Linnaeus) C.Agardh
United States, Massachusetts, Middlesex, Middlesex Fells

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0016468
F.S. Collins #1435 09 June 1907
Nitella flexilis (Linnaeus) C.Agardh
United States, Massachusetts, Middlesex, Middlesex Fells

University of Michigan
Catalog #: 677599
F.S. Collins #s.n. 09 June 1907
Nitella flexilis (Linnaeus) C.Agardh
United States, Massachusetts, Middlesex, Middlesex Fells

University of Michigan
Catalog #: 677627
F.S. Collins #s.n. 09 June 1907
Nitella flexilis (Linnaeus) C.Agardh
United States, Massachusetts, Middlesex, Middlesex Fells

Michigan State University Algae
Catalog #: MSC0183640
F.S. Collins #s.n. 09 June 1907
Nitella flexilis (Linnaeus) C.Agardh
United States, Massachusetts, Middlesex, Middlesex Fells

Miami University - Algae
Catalog #: 000188506
F.S. Collins #s.n.
Nitella flexilis (Linnaeus) C.Agardh
United States, Massachusetts, Middlesex, Middlesex Fells

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00142021
b4647ca0-1878-407b-b4d5-5087349d8dff
F.S. Collins #s.n. 09 June 1907
Nitella flexilis (Linnaeus) C.Agardh
United States, Massachusetts, Middlesex, Middlesex Fells

Yale University Herbarium
Catalog #: YU.094476
Frank Shipley Collins s.n. 09 June 1907
Nitella flexilis (Linnaeus) C.Agardh
United States, Massachusetts, Middlesex, Medford; Middlesex Fells, MA