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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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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)

Eunotia flexuosa

Eunotia flexuosa

Eunotia flexuosa

Eunotia flexuosa


Authority:
Brebissoni ex Kutzing
Year:
1849
References:
Podzorski A.C. (1985): "An illustrated and annotatet chack-list of diatoms from the Black River Waterways, St. Elizabet, Jamaica", p.23, PL. 3, fig.2; F. Husted (1930):"Susswasser-Flora Miteleuropas", p.186,187, fig.258; Patric R. & Ch.W. Reimer (1966):"The diatoms of the United States", Vol.1, p.187,188; Pl.10, fig.1; Schmidt A. (1902):"Atlas der diatomaceenkunde", Vol.III, Taf.291, fig.9-14
Ecological Preference:
Fresh
Description:
Frustules are linear in girdle view; valve is linear, usually slightly arched, somewhat swollen to form more or less capitate ends; width of valve at the ends is usually a little greater than at centre; terminal nodules are very distinct and are at or near the very ends of ventral margin of valve; raphe appendage extends towards the valve centre from dorsal margin of terminal nodules; jelly pore present at one apex of valve; striae are equidistant, indistinctly punctate; length is 80-300µm, breadth is 2-5µm; striae count usually 15-19 in 10µm (Hustedt [1932] states that striae are 14-18 in 10µm; Cleve-Euler [1953] contends that striae are distinctly punctate, about 11-20 in 10µm, with valve length 80-300µm, breadth 1.5-8µm)
Projects:
  • Southeast Florida Coastal Mangroves
  • Florida Bay Paleo Project
  • Dosing Project
  • CERP
  • Transect Project


  • Sample localities:
  • Water Conservation Areas (WCAs)