Title

A Classification for Extant Ferns

Document Type

Article

Journal/Book Title/Conference

Taxon

Volume

55

Issue

3

Publication Date

1-1-2006

First Page

705

Last Page

731

DOI

10.2307/25065646

Abstract

We present a revised classification for extant ferns, with emphasis on ordinal and familial ranks, and a synopsis of included genera. Our classification reflects recently published phylogenetic hypotheses based on both morphological and molecular data. Within our new classification, we recognize four monophyletic classes, 11 monophyletic orders, and 37 families, 32 of which are strongly supported as monophyletic. One new family, Cibotiaceae Korall, is described. The phylogenetic affinities of a few genera in the order Polypodiales are unclear and their familial placements are therefore tentative. Alphabetical lists of accepted genera (including common synonyms), families, orders, and taxa of higher rank are provided.

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