⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-26604882, and has not been changed.

Dryopteris dilatata subsp. americana Hultén is a synonym of Dryopteris expansa (C. Presl) Fraser-Jenk. & Jermy

This name is a synonym of Dryopteris expansa (C. Presl) Fraser-Jenk. & Jermy.

The record derives from Tropicos which reports it as a synonym (record 26604882).