Welcome to the Diatom Image Database! The Periphyton Group at Florida International University created and maintains the Diatom Image Database, which includes over 980 diatom taxa found in the greater Everglades region of south Florida. Please send questions or comments about the Diatom Image Database to Franco Tobias .
You can also click on one of labeled areas on the map to browse by location.
Nitzschia amphibia f. Frauenfeldii
Krammer K. & Lange-Bertalot H. (1997): "Susswaserflora von Mitteleuropa", Vol.2, pg.109, Fig.78:25,26;
Bacillaria frauenfeldii (Grunow 1862), Nitzschia amphibia var. elongata (Grunow in Cleve & Moller 1879), Nitzschia amphibia var. frauenfeldii(Grunowin Van Heurck 1881), (?)Nitzschia denticuloides (Hustedt 1942)
Morphology is as described for Nitzschia amphibia f. amphibia, but the length is up to 120µm