In some materials collected from Mammoth Cave, Kentucky, a diatom was found which could not be identified with any known species. A taxonomic description of Gomphonema hotchkissii nov. spec. is given.
Van Landingham, Sam L..
A new species of Gomphonema (Bacillariophyta) from Mammoth Cave, Kentucky.
International Journal of Speleology,
Available at: https://scholarcommons.usf.edu/ijs/vol2/iss4/13