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

Order: Polypodiales

This order may be regarded as one of the evolutionarily most advanced orders of ferns, based on recent genetic analysis. The polypodioid ferns apparently derived from the ancestors of the dryopteroid ferns, through the ancestors of the davallioid ferns.

Families of Polypodiales:

1. Grammitidaceae
2. Loxogrammaceae
3. Platyceriaceae
4. Polypodiaceae

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This page was last revised on 11-10-1997.