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

Field Museum of Natural History
Catalog #: C0500415F
G.Lilley #596 27 February 1902
Phormidium minnesotense (Tilden) Drouet
United States, Minnesota, Hennepin, Near University campus, Minneapolis

Michigan State University Algae
Catalog #: MSC0184016
Gene Lilley #s.n. 27 February 1902
Phormidium minnesotense (Tilden) Drouet
United States, Minnesota, Hennepin, Near University campus, Minneapolis

Miami University - Algae
Catalog #: 000185099
Gene Lilley #s.n. 27 February 1902
Phormidium minnesotense (Tilden) Drouet
United States, Minnesota, Hennepin, Near University campus, Minneapolis