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.
Hustedt in A. Schmidt et al.
Krammer K. & Lange-Bertalot H. (1997): "Susswaserflora von Mitteleuropa", Vol.2, pg.68,69, Fig.54:4,6; Wikowski et al. (2000):"Iconographia Diatomologica (Vol.VII). Diatom flora of marine coast I", pg.387;
(?)Nitzschia thermalis var. minor (Hilse sensu Podzorski 1985)
Frustule is linear in girdle view; valve is more or less linear (compare with Nitzschia commutata) with slight concavity in middle; ends are capitate; length is (35)50-75µm, breadth is 5-8µm; irregular keel punctae on raphe, fibulae about 7-10 in 10µm; striae count is (28)30-32 in 10µm (about 20 punctae in 10µm)
35 - 70 µm
5 - 8 µm
7 - 10