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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 brebissonii 01

Brachysira brebissonii   01

Ross in Hartley
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. 20-22; 128-129 [t.13:12,14]; 150-151 [t.24:11]; 184-185 [t.41:1-18]; 186-187 [t.42:11-17]; 188-189 [t.43:7-16]; 190-191 [t.44:1-10]
Navicula aponina var. brachysira Bréb. ex Kütz. 1849; Anomoeoneis brachysira (Bréb. ex Rabh.) Grun. in Cl. 1895
Valve is elliptic-lanceolate with rapidly tapering apices (cf. var. thermalis); other features are as in Brachysira brebissonii ssp. Brebissonii; this variety is on the higher end of the range for lengths
  • Dosing Project
  • CERP
  • Transect Project

  • Sample localities:
  • Water Conservation Areas (WCAs)