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.
Lange-Bertalot, H. (1993). 85 New Taxa and much more than 100 taxonomic clarifications supplementary to Süßwasserflora von Mitteleuropa 2(1-4). in: Bibliotheca Diatomologica 27, pp. 107-108; 256-257 [t.46:1-4]
Navicula pseudolanceolata var. densilineolata Lange-Bertalot 1985
Valve is lanceolate with rapidly tapering, pointed apices; raphe is lateral, central pore is weakly one-sided or rhombic; axial area is linear and narrow or linear-lanceolate; lineolate striae are radiate or parallel, becoming convergent; length is 30-60µm, breadth is 6-7.5µm; striae count is 10-13 in 10µm (27-30 lineolae in 10µm)