Blechnum L. genus accepted

Diploblechnum Hayata genus accepted

Austroblechnum Gasper & V.A.O.Dittrich genus accepted

Blechnidium T.Moore genus accepted

Brainea J.Sm. genus accepted

Cranfillia Gasper & V.A.O.Dittrich genus accepted

Blechnopsis C.Presl genus accepted

Doodia R.Br. genus accepted

Cleistoblechnum Gasper & Salino genus accepted

Icarus Gasper & Salino genus accepted

Lomaria Willd. genus accepted

Lomaridium C.Presl genus accepted

Lomariocycas J.Sm. genus accepted

Neoblechnum Gasper & V.A.O.Dittrich genus accepted

Oceaniopteris Gasper & Salino genus accepted

Sadleria Kaulf. genus accepted

Struthiopteris Scop. genus accepted

Parablechnum C.Presl genus accepted

Spicantopsis Nakai genus accepted