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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)

Brachysira cf. neoacuta

Lange-Bertalot, H. & Moser, G. (1994). Brachysira (Monographie der Gattung: Wichtige Indikator-Species für das Gewässer-Monitoring) und Naviculadicta nov. gen. (Ein Lösungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto). In: Bibliotheca Diatomologica 29, pp. 48-49; 130 [t.14:9-10]
(?) Anomoeoneis serians var. acuta Hustedt 1937
Valve is lanceolate, with moderately concave midsections and acutely round apices; raphe is a lateral fissure, both internally and externally; axial area is narrow, leading to a more-or-less rhombic central area; transapical striae is radial; length is 40-65µm, breadth is 6-9µm; striae count is 24-26 in 10µm
  • Dosing Project
  • Transect Project

  • Sample localities:
  • Water Conservation Areas (WCAs)