Developing two types of fronds, the fertile ones longer than the sterile

P. adnata (Blume) Bedd. (タカサゴキジノオ)

var. yakushimensis (Kansei Sato) Tagawa (ヤクシマキジノオ)

P. dunnii Copel. (タイワンヤマソテツ)
P. euphlebia (Kunze) Mett. (オオキジノオ)
P. formosana Nakai (ウラジロキジノオ)
P. japonica Nakai (キジノオシダ)

var. pseudojaponica (Nakaike) K. Iwats. (ヒメキジノオ)

P. koidzumii Tagawa (リュウキュウキジノオ)
P. matsumurana Makino (ヤマソテツ)
P. stenoptera (Hance) Diels (シマヤマソテツ)

Putative hybrids

P. × neointermedia Nakaike (ハガクレキジノオ)
P. × sessilifolia Nakaike (フタツキジノオ)
P. × wakabae Sa. Kurata ex Nakaike (アイキジノオ)