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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 styriaca

Brachysira styriaca

(Grunow) 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. 67-68; 124-125 [t.11:1-2,15]
Navicula styriaca Grun. in Van Heurck 1880; Anomoeoneis styriaca (Grun.) Hust. 1930
Valve is rhombic, rhombic-lanceolate and linear-lanceolate with blunt ends; raphe is filiform, axial area is linear leading to a lanceolate central area; lineolate striae are radial ("brachysira-type") in the middle; length is 14-50µm, breadth is 5-8µm; striae count is 27-28 in 10µm (centre), becoming 30 in 10µm (apices)
  • Transect Project

  • Sample localities:
  • Shark River Slough (SRS)