Hymenophyllum acutum Mett. ex Sadeb. Dataset Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Hymenophyllales family Hymenophyllaceae genus Hymenophyllum species Hymenophyllum polyanthos Name Homonyms Hymenophyllum acutum (C.Presl) Ebihara & K.Iwats. Hymenophyllum acutum Mett. ex Sadeb. Hymenophyllum acutum Mett.