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.
Grunow in Van Heurck
Krammer K. & Lange-Bertalot H. (1991): "Susswaserflora von Mitteleuropa", Vol.3, Taf.130, fig.11, p.162,163; Guide methodologique pour la mise en oeuvre de I'Indice biologique diatomees"(2000), Pl.11
Fragilaria brevistriata var. subacuta (Grunow in Van Heurck 1881), Fragilaria brevistriata var. pusilla (Grunow in Van Heurck 1881), Fragilaria brevistriata var. subcapitata (in Van Heurck 1881)
Cells in girdle view are long, rectangular; valve is linear-lanceolate to almost rhombic with weakly rostrate to bluntly rounded apices; transapical striae are short, marginal; pseudoraphe is broadly lanceolate; length is 12-28µm, breadth is 3-5µm; striae count is 13-17 in 10µm