Synonyms
Botrychium zeylanicum (L.) Sw.
Helminthostachys laciniata Voigt
Helminthostachys crenata C.Presl
Helminthostachys mexicana Spreng.
Helminthostachys integrifolia C.Presl
Helminthostachys zeylanica var. brachyspicae S.Nampy & Madhus.
Ophiala zeylanica (L.) Desv.
Helminthostachys dulcis Kaulf.
Botryopteris crenata (C.Presl) C.Presl
Botryopteris mexicana C.Presl
Osmunda laciniata Noronha