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 Cleve & Moller
Jensen, N.G.: F. Hustedt. The Pennate Diatoms. A translation of Hustedt's "Die Kieselalgen, 2. Teil", pg.444, fig. 953;
Mastogloia smithi var. abnormis (Grunow, 1878)
30 - 50 µm
9 - 12 µm
4 - 5 in the center to 6 - 8 near ends