Family 38. Onocleaceae Pic.Serm., Webbia 24: 708 (1970).
1(–4) genera: ( Onoclea).
Reference: Gastony & Ungerer (1997).
Note:—The four genera ( Matteuccia, Onoclea, Onocleopsis and Pentarhizidium) are very close and are here treated under the single genus Onoclea .