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

Michigan State University
Catalog #: MSC0182840
Josephine E. Tilden #s.n. 03 August 1894
Gomphonema truncatum Ehrenberg
United States, Minnesota, Hennepin, Minneapolis

Miami University
Catalog #: 000179197
Josephine E. Tilden #s.n. 03 August 1894
Gomphonema truncatum Ehrenberg
United States, Minnesota, Hennepin, Minneapolis