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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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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)

Gomphonema intricatum vibrio 01

Gomphonema intricatum vibrio  01

Ehrenberg sensu Fricke
Fricke, F. (1902). Atlas der Diatomaceen-Kunde, Band I-III. pp. 363, 364 [t.235:11-16]
Ecological Preference:
Valves have acutely rounded apices, with a more rapidly tapering footpole than headpole; valve is obviously heteropolar; specimens vary greatly in length, from 30-100+µm
  • Dosing Project
  • CERP
  • Transect Project

  • Sample localities:
  • Water Conservation Areas (WCAs)