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)

   Diadesmis confervacea 01
F. T. Kutzing
Fourtanier, E. & Kociolek, J. P. (1999). Catalogue of the diatom genera. in: Diatom Research (F. Round, K. Serieyssol and M. J. Sullivan, eds), 14(1), p. 53
Diadesmis confervacea Kutz. 1844; Diadesmis peregrina W. Sm. 1857; Navicula confervacea var. hungarica Grun. In Van Heurck 1880; Navicula confervacea var. peregrina Grun. In Van Heurck 1880; 2 type was designated by Round, Crawford & Mann (1990); there were four species originally included by Kutzing: Diadesmis confervacea, D. laevis, D. sculpta and D. bacillum


Valve is elliptical to lanceolate with bluntly rounded ends; raphe is filiform, with the central ends far apart; axial area is linear-lanceolate, widening strongly to a distinct central area surrounded by coarse hyaline space; distinctly punctate striae are radial; length is 9-28Ám, breadth is 4-10Ám; striae count is (15)18-26 in 10Ám
specimens recorded have more tapered, rounded apices than as described


  • Transect Project

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

  • Other LTER sites:
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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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