Skip to Main Content

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 .

Search the Diatom Image Database

View a list of all species

You can also click on one of labeled areas on the map to browse by location.
Map of south Florida Loxahatchee (LOX) WCA 2A WCA 3A Biscayne Bay Shark River Slough (SRS) Taylor Slough (TS) Florida Bay Everglades National Park (ENP) Everglades National Park (ENP)

Tryblionella acuminata

((W. Smith) Grunow) Mann
Witkowski et al. (2000):"Iconographia Diatomologica (Vol.VII). Diatom flora of marine coast I", pg.366, Pl.188:1-3;
Nitzschia acuminata (W. Smith) Grunow)
Ecological Preference:
Valves broad linear with parallel or slightly concave margins and wedge-shaped, somewhat drown out, acutelly rounded apices, 50-90µm long, 6-14µm broad. Raphe eccentric, fibulae indistinctly differentiable from the transapical striae, 12-16 in 10µm. Transapical striae interrupted by broad hyaline fold.
  • Southeast Florida Coastal Mangroves
  • Florida Bay Paleo Project

  • Sample localities:
  • Florida Bay