Dryopteris austriaca var. spinulosa (O.F. Müller) Fiori

Dryopteris austriaca var. spinulosa (O.F. Müller) Fiori is a synonym sensu FNA Ed. Comm., 1993 of:

Dryopteris carthusiana (Villars) H.P. Fuchs, an accepted species name sensu FNA Ed. Comm., 1993.