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Guide to Muelleria agnellus

Bahls 2014

Muelleria Agnellus Guide
Credit: Loren Bahls
  1. Valve margins slightly convex
  2. Valves >9.5 µm wide
  3. Striae radiate, distinctly curved

Valves are lanceolate, with slightly convex margins. Valves are wider than 9.5 µm. Striae are radiate, especially in the center of the valve, and distinctly curved. Proximal raphe ends are unilaterally deflected.