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

University Herbarium, University of California, Berkeley
Catalog #: UC278125
Josephine E. Tilden #31 14 July 1894
Spirogyra bellis (Hassall) P.L.Crouan & H.M.Crouan
United States, Minnesota, Hennepin, Eden Prairie

Michigan State University Algae
Catalog #: MSC0184746
Josephine E. Tilden #s.n. 14 January 1894
Spirogyra bellis (Hassall) P.L.Crouan & H.M.Crouan
United States, Minnesota, Hennepin, Eden Prairie

Miami University - Algae
Catalog #: 000179166
Josephine E. Tilden #s.n. 14 January 1894
Spirogyra bellis (Hassall) P.L.Crouan & H.M.Crouan
United States, Minnesota, Hennepin, Eden Prairie