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

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0033324
Gardner, N. L. #s.n. 23 December 1905
Ulvella prostrata N.L.Gardner
United States, California, San Francisco, Land's End, San Francisco

Brown University - Algae
Catalog #: ABRU00004381
N. L. Gardner s.n. 23 December 1905
Ulvella prostrata N.L.Gardner
United States, California, Land's End, San Francisco, CA

University of Michigan
Catalog #: 735399
N.L. Gardner #s.n. 23 December 1905
Ulvella prostrata N.L.Gardner
United States, California, San Francisco, Land's End

University of Michigan
Catalog #: 735400
N.L. Gardner #s.n. 23 December 1905
Ulvella prostrata N.L.Gardner
United States, California, San Francisco, Land's End

Michigan State University Algae
Catalog #: MSC0185207
N.L. Gardner #s.n. 23 December 1905
Ulvella prostrata N.L.Gardner
United States, California, San Francisco, Land's End

Miami University - Algae
Catalog #: 000189103
N.L. Gardner #s.n.
Ulvella prostrata N.L.Gardner
United States, California, San Francisco, Land's End

Yale University Herbarium
Catalog #: YU.094688
Nathaniel Lyon Gardner s.n. 23 December 1905
Ulvella prostrata N.L.Gardner
United States, California, Land's End, San Francisco, CA