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Guide to Lacustriella lacustris

(W.Greg.) Lange-Bert. and Kulikovskiy 2012

Lacustriella Lacustris Guide
Credit: David Burge
  1. Valves lanceolate
  2. Central area elliptic
  3. Apices protracted
  4. Striae punctate with dash-like terminal areola

Valves are lanceolate with protracted apices. The axial area is lanceolate, narrowing to the central area. The central area is transapically elliptic. Striae are punctate, with a with dash-like terminal areola.

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