Diatoms of North AmericaDiatoms of North America
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Guide to Envekadea pachycephala

(Cleve) Atazadeh and Edlund in Atazadeh et al. 2014

Envekadea Pachycephala Guide
Credit: Sylvia Lee
  1. Fascia present
  2. Apices capitate
  3. Distal raphe ends terminate in opposite directions
  4. Striae difficult to resolve in LM

Valves are lanceolate with a fascia and capitate apices. Distal raphe ends terminate in opposite directions. Striae are radiate in the center of the valve and convergent near the apices, but are difficult to resolve by light microscopy.