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Guide to Grunowia tabellaria

(Grunow) Rabenhorst 1864

Nitzschia Sinuata V Tabellaria Guide
Credit: Pat Kociolek
  1. Valves rhombic to lanceolate
  2. Fibulae crossing about ½ valve face

Valves are expanded at the center. The apices are nearly capitate to rounded. The fibulae of the raphe are distinct and striae are punctate.

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