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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)

Nitzschia sigmoidea

(Nitzsch) W. Smith
Krammer K. & Lange-Bertalot H. (1997): "Susswaserflora von Mitteleuropa", Vol.2, pg.13, Fig.4:1,2;
Bacilaria sigmoidea (Nitzsch 1817), Synedra armoricana (Kutzing 1844), Nitzschia armoricana ((Kutzing) Grunow 1862), Sigmatella brebissonii (Kutzing 1849), Nitzschia speciosa (Hustedt 1945), Nitzschia brebissoni (W. Smith 1853)
Ecological Preference:
  • Southeast Florida Coastal Mangroves
  • Florida Bay Paleo Project

  • Sample localities:
  • Florida Bay