Navicula ambigua craticula Van Heurck
| I.—Notes of an excursion to the South of France and the Auvergne in search of Diatomaceæ William Smith (1855) Annals And Magazine of Natural History 15: 1-9 | |
| An Ecological Study of the Algae of Some Sandhill Lakes Emma N Andersen and Elda R Walker (1920) Transactions of The American Microscopical Society 39: 51-85 |