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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 radiosafallax

Navicula radiosafallax

Patrick, R. & Reimer, C. W (1966). The Diatoms of the United States I. Monographs of the Academy of Natural Sciences of Philadelphia. Pennsylvania. pp. 510; 560-561 [pl.48:16]
Navicula radiosa var. parva Wallace 1960
Valve is linear-lanceolate with narrow axial area and elliptical central area; raphe structure is as in the nominate; lineate striae are radiate in the centre, becoming convergent towards the apices; length is 45-48µm, breadth is 6-7µm; striae count is 13-14 in 10µm
  • Transect Project

  • Sample localities:
  • Shark River Slough (SRS)