Synonyms
Cryptosorus decrescens var. blechnifrons (Hayata) Nakai ex H.Itô
Polypodium decrescens var. blechnifrons Hayata
Cryptosorus decrescens (Christ) Nakai ex H.Itô
Polypodium decrescens Christ
Oreogrammitis curtisii (Baker) Parris & Sundue
Oreogrammitis blechnifrons (Hayata) T.C.Hsu
Grammitis decrescens (Christ) Christenh.
Polypodium curtisii Baker
Ctenopteris curtisii (Baker) Copel.
Grammitis blechnifrons (Hayata) Christenh.
Themelium blechnifrons (Hayata) Parris
Themelium curtisii (Baker) Parris
Themelium decrescens (Christ) Parris