Florida Coastal Everglades Long Term Ecological Research

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Encyonema silesiacum Pinnularia maior var. pulchella Gomphonema affine var. rhombicum

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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 rabenhorstiana elongata
(Patrick) Metzeltin & Lange-Bertalot
Patrick, R. & Reimer, C. W (1966). The Diatoms of the United States I. Monographs of the Academy of Natural Sciences of Philadelphia. Pennsylvania. pp. 221-222; 234-235 (pl.14:15)
basionym is Desmogonium rabenhorstianum var. elongatum Patrick 1940


Slightly curved valve is very long and narrow with large swollen ends that have distinct terminal nodules on the ventral margin; apices are rounded to slightly wedge-shaped; jelly pores are apparent; fine striae are distinctly punctate; marginal spines in valve, about 5 in 10Ám; differs from Desmogonium kurtiana (Grun.) Patrick by the shape of valve ends and length; length is 140-240Ám, breadth is 5-7Ám; striae count is 16-19 in 10Ám


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  • Transect Project

  • Sample localities:
  • Loxahatchee (LOX)
  • Water Conservation Area 2A (WCA 2A)
  • Water Conservation Area 3A (WCA 3A)
  • Shark River Slough (SRS)

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    National Science Foundation logo This material is based upon work supported by the National Science Foundation through the Florida Coastal Everglades Long-Term Ecological Research program under Cooperative Agreements #DEB-1832229, #DEB-1237517, #DBI-0620409, and #DEB-9910514. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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