Dryopteris expansa(K. Presl) Fraser-Jenkins & Jermy (redirected from: Dryopteris spinulosa var. dilatata auct. non (Hoffm.) Underw.)
Family: DRYOPTERIDACEAE
[Dryopteris assimilis S. Walker, moreDryopteris dilatata auct. non (Hoffm.) A. Gray, Dryopteris dilatata ssp. americana (Fisch.) Hultén, Dryopteris spinulosa var. dilatata auct. non (Hoffm.) Underw.]