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

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00231483
9654d54e-b4e2-494d-9456-6e977503260e
#s.n.
Osterhoutia N.L.Gardner ex Wille, 1909
United States, California, Alameda, Shaded creek running into Lake Temescal

Brown University - Algae
Catalog #: ABRU00004110
N. L. Gardner s.n. 15 November 1905
Leuvenia natans N.L.Gardner
United States, California, Lake Temescal, Oakland, CA

University of Michigan
Catalog #: 736935
N.L. Gardner #s.n. 15 November 1905
Leuvenia natans N.L.Gardner
United States, California, Alameda, Lake Temescal, Oakland

Michigan State University Algae
Catalog #: MSC0183280
N.L. Gardner #s.n. 15 November 1905
Leuvenia natans N.L.Gardner
United States, California, Alameda, Lake Temescal, Oakland

Miami University - Algae
Catalog #: 000188450
N.L. Gardner #s.n.
Leuvenia natans N.L.Gardner
United States, California, Alameda, Lake Temescal, Oakland

Yale University Herbarium
Catalog #: YU.094418
Nathaniel Lyon Gardner s.n. 15 November 1905
Osterhoutia natans N.L.Gardner ex Wille, 1909
United States, California, Lake Temescal, Oakland, CA