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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 .

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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)

Achnanthes sp. FT05

Achnanthes sp. FT05

Valve is linear to linear-lanceolate in shape, with rounded to tapered ends; a very narrow, linear pseudo-sternum is present, leading to a very narrow, transverse stauros; striae are very fine, and not apparent under the light microscope
specimens that have been seen always seem to bear some slight "damage"(?) to the valve surface
  • Transect Project

  • Sample localities:
  • Water Conservation Area 2A (WCA 2A)