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Diatom Image Database

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)

Fragilaria filiformis exilis

Fragilaria filiformis exilis


Authority:
Cleve-Euler
References:
Patrick, R. & Reimer, C. W (1966). The Diatoms of the United States I. Monographs of the Academy of Natural Sciences of Philadelphia. Pp. 172-173 [pl.5:11]
Synonyms:
Synedra filiformis var. exilis Cleve-Euler 1939
Description:
Valve is very narrow, linear-lanceolate, with very narrow, somewhat attenuated to rounded ends; pseudoraphe or central area is lanceolate; striae is continuous throughout the valve; length is 30-55µm, breadth is 1.7-3µm; striae count is 22-24 in 10µm
Projects:
  • Transect Project


    • Sample localities:
  • Water Conservation Area 2A (WCA 2A)