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

Michigan State University Algae
Catalog #: MSC0184024
Josephine E. Tilden #s.n. 24 September 1894
Phormidium retzii (C.Agardh) Kützing ex Gomont
United States, Wisconsin, Polk, Osceola

Miami University - Algae
Catalog #: 000179175
Josephine E. Tilden #s.n. 24 September 1894
Phormidium retzii (C.Agardh) Kützing ex Gomont
United States, Wisconsin, Polk, Osceola