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Guide to Chamaepinnularia krookii

(Grunow) Lange-Bert. and Krammer 1999

Chamaepinnularia krooki guide
  1. Central valve expanded
  2. Apices capitate
  3. Striae radiate at center, convergent at apices
  4. Central area large, rhombic

Valves have a distinct central expansion and capitate apices. The striae are slightly radiate at the center of the valve, transitioning to slightly convergent at the apices.