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

Michigan State University Algae
Catalog #: MSC0184052
Josephine E. Tilden #s.n. 28 August 1895
Phormidium incrustatum (Nägeli) Gomont ex Gomont
United States, Wisconsin, Polk, Osceola

Miami University - Algae
Catalog #: 000179359
Josephine E. Tilden #s.n. 28 August 1895
Phormidium incrustatum (Nägeli) Gomont ex Gomont
United States, Wisconsin, Polk, Osceola