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

Michigan State University Algae
Catalog #: MSC0182836
J.H. Cowen #s.n. 09 May 1896
Gomphonema affine var. insigne (W.Gregory) G.W.Andrews
United States, Colorado, Larimer, Foothills

Miami University - Algae
Catalog #: 000179249
J.H. Cowen #s.n. 09 May 1896
Gomphonema insigne Gregory
United States, Colorado, Larimer, Foothills