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

Brown University - Algae
Catalog #: ABRU00003130
W. J. V. Osterhout s.n. 07 May 1895
Spirogyra longata (Vaucher) Kützing
United States, Rhode Island, Knightsville, RI

Miami University - Algae
Catalog #: 000186917
W.J.V. Osterhout #s.n. 07 May 1895
Spirogyra longata var. terrestre
United States, Rhode Island, Providence, Knightsville

Yale University Herbarium
Catalog #: YU.091592
Winthrop John Vanleuven Osterhout s.n. 07 May 1895
Spirogyra longata (Vaucher) Kützing
United States, Rhode Island, Knightsville, RI