Tilden, Amer. Algae
Tilden, J.E. [1-650]

Michigan State University Algae
Catalog #: MSC0184984
Josephine E. Tilden #s.n. 24 September 1894
Synedra ulna (Nitzsch) Ehrenberg
United States, Minnesota, Hennepin, Minneapolis

Miami University - Algae
Catalog #: 000179203
Josephine E. Tilden #s.n. 24 September 1894
Synedra ulna (Nitzsch) Ehrenberg
United States, Minnesota, Hennepin, Minneapolis