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

Michigan State University
Catalog #: MSC0183782
Josephine E. Tilden #s.n. 12 August 1901
Oedogonium crispum var. gracilescens Wittrock ex Hirn
United States, Minnesota, Saint Louis, Minnesota Point, Duluth

Miami University
Catalog #: 000185011
Josephine E. Tilden #s.n. 12 August 1901
Oedogonium crispum var. gracilescens Wittrock ex Hirn
United States, Minnesota, Saint Louis, Minnesota Point, Duluth