Kingdom: Plantae
Division: Pteridophyta (Filicophyta)
Class: Pteridopsida (Filicopsida)
Subclass: Pteriditae

Order: Pteridales

Chromosome numbers in the Pteridales are almost all based on x=29 or x=30. The one notable exception to this is Ceratopteris, in the family Parkeriaceae, with a count of n=38.

Families of Pteridales:

  1. Acrostichaceae
  2. Adiantaceae
  3. Pellaeaceae
  4. Parkeriaceae
  5. Pteridaceae
  6. Vittariaceae
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    This page was last revised on 11-21-1997.