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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)

Navicula laticeps 01

Navicula laticeps   01

Krammer, K. and Lange-Bertalot, H. (1991). Baccilariophyceae: Naviculaceae. in: Süßwasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig & D. Mollenhauer, eds), 2(1), pp. 196; 580-581 [fig.70:18]
Valve is linear, becoming slightly convex mid-valve, and having broadly capitate ends; raphe is straight and filiform in a narrowly linear axial area that leads to a square to elliptical central area (features of this area are similar to Sellaphora pupula); striae in middle are radial, becoming radial to parallel at the ends; length is 20-22µm, breadth is ~4.5µm; striae count is ~24 in 10µm
some specimens recorded are larger than as described
  • Transect Project

  • Sample localities:
  • Shark River Slough (SRS)
  • Taylor Slough (TS)