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Guide to Gomphonema montezumense

Czarn. and Blinn 1979

Gomphonema Montezumense Guide
Credit: Mark Edlund, David Burge
  1. Valves rhombic to broadly elliptical
  2. Valves scarcely heteropolar
  3. Striae widely spaced
  4. Striae radiate
  5. Apical pore field indistinct

Valves are rhombic to broadly elliptic, and scarcely heteropolar. Striae are widely spaced and radiate throughout. An apical pore field is present, but is difficult to distinguish.