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Guide to Fragilaria mesolepta

Rabenh. 1861

Fragilaria Mesolepta Guide
Credit: Behnaz Balmaki
  1. Valve slightly panduriform
  2. Striae parallel
  3. Center valve constricted
  4. Apices rostrate to subcapitate

Valves are linear-lanceolate and panduriform. The central valve is constricted. Toward the apices, the margins are expanded, or panduriform. The apices are rostrate to subcapitate. Striae are parallel. Faint striae may be visible in the central area in some specimens.