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Guide to Geissleria cascadensis

(Sovereign) Stancheva and S.A.Spauld. 2019

Navicula Cascadensis Guide
Credit: Loren Bahls
  1. Valves elliptic
  2. Annulae 2-4
  3. Areolae distinct

Valves are elliptic, with cuneate apices. Areolae are coarse and distinct in LM. Two to four pairs of annulae are present at each apex.

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