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.
Krammer K. & Lange-Bertalot H. (1991): "Susswaserflora von Mitteleuropa", Vol.3, pg.130, Fig.115:14-16; Fig.114:9-11
Synedra nana (Meister 1912)
Valve is needle-like, very thin, extremely small in relation to its length, with rounded to prolonged apices; length is 40µm (and less?) -90µm (and more?), breadth is 1.5-2µm; striae count is 22-25 in 10µm