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

Brown University - Algae
Catalog #: ABRU00004206
N. L. Gardner s.n. 08 September 1903
Ulothrix tenerrima (Kützing) Kützing
United States, California, San Leandro, CA

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00212319
d20b933c-8e6a-4f6a-918b-9610e23d9370
N. L. Gardner #s.n. 08 September 1903
Ulothrix tenerrima (K
United States, California, Alameda, San Leandro

University of Michigan
Catalog #: 733006
N.L. Gardner #s.n. 08 September 1903
Ulothrix tenerrima (Kützing) Kützing
United States, California, Alameda, San Leandro

University of Michigan
Catalog #: 733009
N.L. Gardner #s.n. 08 September 1903
Ulothrix tenerrima (Kützing) Kützing
United States, California, Alameda, San Leandro

Michigan State University Algae
Catalog #: MSC0185106
N.L. Gardner #s.n. 08 September 1903
Ulothrix tenerrima (Kützing) Kützing
United States, California, Alameda, San Leandro

Miami University - Algae
Catalog #: 000188541
N.L. Gardner #s.n.
Ulothrix tenerrima (Kützing) Kützing
United States, California, Alameda, San Leandro

Yale University Herbarium
Catalog #: YU.094513
Nathaniel Lyon Gardner s.n. 08 September 1903
Ulothrix tenerrima (Kützing) Kützing
United States, California, San Leandro, CA