Diatoms of North AmericaDiatoms of North America
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Guide to Fallacia hummii

(Hustedt) D.G.Mann 1990

Fallacia Hummii Guide
  1. Valves broadly elliptic
  2. Canals with row of small areolae
  3. Striae radiate

Valves are elliptic, with bluntly rounded poles. Row of small, round areolae external to the canal. Straie are uniseriate and radiate slightly around the lyre-shaped canal.