HOHN, M. H. The taxonomy and structure of diatom populations from three eastern North American rivers using three sampling methods. Transactions of the American Microscopical Society. 1963, 82, 250-329
ISHII, K. Catalog of genus Nitzschia collected from the paddy fields in Shinobu town. Igaku to Seibutugaku. 1944, 5, 357-361