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

Michigan State University Algae
Catalog #: MSC0184810
Josephine E. Tilden #s.n. 13 January 1894
Spirogyra subsalsa Kützing
United States, Minnesota, Hennepin, Purgatory creek, Eden Prairie

Miami University - Algae
Catalog #: 000179167
Josephine E. Tilden #s.n. 13 January 1894
Spirogyra subsalsa Kützing
United States, Minnesota, Hennepin, Purgatory creek, Eden Prairie