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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)

Fragilaria minuscula

Fragilaria minuscula

Patrick, R. & Reimer, C. W (1966). The Diatoms of the United States I. Monographs of the Academy of Natural Sciences of Philadelphia. pp. 138; 172-173 [pl.5:6]
Synedra minuscula Grun. in V. H. 1881
Frustule is linear-rectangular in girdle view, valve is linear becoming more-or-less contracting into attenuated, rounded ends; narrow pseudoraphe is distinct; central area usually lacking, but is small if present; striae are parallel; length is 15-39µm, breadth is 2.3-5µm; striae count is 15-18 in 10µm
  • Transect Project

  • Sample localities:
  • Shark River Slough (SRS)