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Guide to Gomphonema lagenula

Kütz. 1844

Gomphonema Lagendula Guide
  1. Apices capitate
  2. Central area asymmetric
  3. Footpole may be bent

Valves with capitate apices. The central area is asymmetric, with a shorter stria opposite the stigma. The footpole is often irregularly bent to one side.

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