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.
Cocconeis placentula var. lineata
(Ehrenberg) Van Heurck
Krammer K. & Lange-Bertalot H. (1991): "Susswaserflora von Mitteleuropa", Vol.4, pg.87, Taf.52:1-13;
Cocconeis lineata (Ehrenberg 1843)
raphe valve structure is same as in the nominate, rapheless valve has less striae than in the nominate; punctate striae form lines; length is 10-80µm