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Diatom Image Database

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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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 geocollegarum


Authority:
Witkowski et Lange-Bertalot
Year:
1995
References:
Witkowski et al. (2000), pg.50, Pl.28: 8-11;
Ecological Preference:
Marine
Description:
Cells are solitary or form ribbon-like colonies; rectangular in girdle view; valve is isopolar, lanceolate with broadly rounded poles; sternum is broad and lanceolate; transapical striae is robust, seen as a row of punctae placed along the valve margin; length is 6.5-14.0µm, breadth is 2-4µm; striae count is 12-16 in 10µm
Notes:
Valves lanceolate with rounded poles, sternum broad lanceolate, striae located close to the valve margin.
Length:
8.2 µm
Width:
2.6 µm
Strd:
12
Projects:
  • Southeast Florida Coastal Mangroves
  • Florida Bay Paleo Project
  • Transect Project


    • Sample localities:
  • Shark River Slough (SRS)