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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)

Fragilaria delicatissima 01

Fragilaria delicatissima   01

W. Smith
Patrick, R. & Reimer, C. W (1966). The Diatoms of the United States I. Monographs of the Academy of Natural Sciences of Philadelphia. pp. 136; 172-173 [pl.5:2]
Synedra delicatissima W. Smith 1853; Synedra delicatissima var. mesoleia Grun. in V. H. 1881
Valve is linear, needle-shaped, tapering a little to the rounded ends; pseudoraphe is very narrow, but distinct; central area is distinct, longer than broad, and bordered by very short striae; striae are parallel throughout the valve; length is 100-230µm (length-to-breadth ratio is 30-50:1); striae count is 11-14 in 10µm
  • Transect Project

  • Sample localities:
  • Water Conservation Areas (WCAs)