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Guide to Mastogloia grevillei

W.Sm. 1856

Mastogloia Grevellii Guide
Credit: Pat Kociolek
  1. Valve linear-lanceolate
  2. Raphe undulate
  3. Striae biseriate

Valve linear-lanceolate with apices protracted and rounded. The raphe is lateral, reverse lateral about midway from the apices to the central area. Striae are radiate and biseriate.