P - Scientific Name -
- Pellaea fauriei Christ
- Peranema formosanum Hayata
- Phymatodes subnormalis Nakai
- Phymatodes takedai Nakai
- Plagiogyria formosana Nakai
- Plagiogyria formosana Nakai var. angustata Nakai
- Plagiogyria hayatana Makino
- Plagiogyria japonica Nakai
- Plagiogyria matsumureana Makino
- Plagiogyria tahanensis Miyam. & H.Ohba
- Polypodium annuifrons Makino
- Polypodium arisanense Hayata
- Polypodium asahinae Ogata
- Polypodium aspidistrifrons Hayata
- Polypodium decrescens Christ var. blechnifrons Hayata
- Polypodium divaricatum Hayata
- Polypodium dolichopterum Copel.
- Polypodium engleri Luerss. var. hypoleucum Hayata
- Polypodium engleri Luerss. var. yakushimense Makino
- Polypodium falcatopinnatum Hayata
- Polypodium hastatum Thunb. var. nikkoense Matsum.
- Polypodium hastatum Thunb. var. yoshinagae Makino
- Polypodium hoozanense Hayata
- Polypodium hypochrysum Hayata
- Polypodium infraplanicostale Hayata, ‘infra-planicostale’
- Polypodium kawakamii Hayata
- Polypodium lineare Thunb. var. caudatum Makino
- Polypodium lineare Thunb. var. caudatum Nakai
- Polypodium lineare Thunb. var. distans Makino
- Polypodium lineare Thunb. var. monilisorum Hayata
- Polypodium lineare Thunb. var. ramifrons Nakai
- Polypodium morii Hayata
- Polypodium morrisonense Hayata
- Polypodium obscurevenulosum Hayata, ‘obscure-venulosum’
- Polypodium obtusifrons Hayata
- Polypodium okuboi Yatabe
- Polypodium pellucidifolium Hayata
- Polypodium pinnatum Hayata
- Polypodium pseudotrichomanoides Hayata
- Polypodium raishaense Rosenst.
- Polypodium remotefrondigerum Hayata, ‘remote-frondigerum’
- Polypodium someyae Yatabe
- Polypodium tenuissimum Hayata
- Polypodium uchiyamae Makino
- Polypodium urceolare Hayata
- Polystichum × tare-bhirense Nakaike & V.L.Gurung
- Polystichum aculeatum (L.) Roth ex Mert. var. fibrillosopaleaceum Kodama, ‘fibrilloso-paleaceum’
- Polystichum aculeatum (L.) Roth ex Mert. var. nigropaleaceum Kodama ex Makino
- Polystichum aculeatum (L.) Roth ex Mert. var. ovatopaleaceum Kodama
- Polystichum aculeatum (L.) Roth ex Mert. var. retrosopaleaceum Kodama
- Polystichum aculeatum (L.) Roth ex Mert. var. variiforme Hayata
- Polystichum atroviridissimum Hayata
- Polystichum caryotideum (Wall. ex Hook. & Grev.) Diels var. papyraceum Honda
- Polystichum constantissimum Hayata
- Polystichum dimorphophyllum Hayata
- Polystichum doianum Tagawa
- Polystichum falcatipinnum Hayata
- Polystichum formosanum Rosenst.
- Polystichum globisorum Hayata
- Polystichum hololepis Hayata
- Polystichum hololepis Hayata var. hikonense H.Itô
- Polystichum horridipinnum Hayata
- Polystichum integripinnum Hayata
- Polystichum lepidocaulon (Hook.) J.Sm. var. appendiculatum Nakai
- Polystichum leptopteron Hayata
- Polystichum lonchitis (L.) Roth ex Roem. var. japonicum Nakai & H.Itô
- Polystichum longistipes Hayata
- Polystichum miyajimense Kodama
- Polystichum morii Hayata
- Polystichum niitakayamense Hayata
- Polystichum pacificum Nakai
- Polystichum prionolepis Hayata
- Polystichum pseudoaristatum Tagawa
- Polystichum pseudomakinoi Tagawa var. ambiguum Tagawa
- Polystichum pseudomaximowiczii Hayata, 'pseudo-maximowiczii'
- Polystichum rectipinnum Hayata
- Polystichum simplicipinnum Hayata
- Polystichum subapiciflorum Hayata
- Polystichum transmorrisonense Hayata
- Polystichum tripteron (Kunze) C.Presl f. subbipinnatum H.Itô
- Prosaptia contigua (G.Forst.) C.Presl var. subglabra M.Kato & Parris
- Protomarattia tonkinensis Hayata
- Pteridium aquilinum (L.) Kuhn var. japonicum Nakai
- Pteris bella Tagawa
- Pteris decurrentipinnulata Bonap.
- Pteris excelsissima Hayata
- Pteris flavicaulis Hayata
- Pteris lepidopoda M.Kato & K.U.Kramer
- Pteris longipinna Hayata
- Pteris mertensioides Willd. subsp. polylepis M.Kato & K.U.Kramer
- Pteris morrisonicola Hayata
- Pteris natiensis Tagawa
- Pteris nepalensis H.Itô
- Pteris pediformis M.Kato & K.U.Kramer
- Pteris plumbea Christ
- Pteris quadriaurita Retz. var. abbreviata Rosenst.
- Pteris setulosocostulata Hayata, 'setuloso-costulata'
- Pteris takeoi Hayata
- Pteris tapeinidiifolia H.Itô
- Pteris tarandus M.Kato & K.U.Kramer
- Ptilopteris flagellaris Makino
