Dryopteris cristata var. clintoniana (D.C. Eaton) Underwood

Dryopteris cristata var. clintoniana (D.C. Eaton) Underwood is a synonym sensu FNA Ed. Comm., 1993 of:

Dryopteris clintoniana (D.C. Eaton) Dowell, an accepted species name sensu FNA Ed. Comm., 1993.