下延石韦
Pyrrosia costata (Wall. ex C.Presl) Tagawa & K.Iwats.
下延石韋（學名：Pyrrosia costata）為水龍骨科 Pyrrosia 屬的植物。其學名由 (Wall. ex C.Presl) Tagawa & K.Iwats. 命名，於 1967 年發表。
Other common names
下延石韦
Distribution
Assam · Bangladesh · China South-Central · East Himalaya · India · Myanmar · Nepal · Thailand · Tibet · Vietnam · West Himalaya
Synonyms
Cyclophorus beddomeanusNiphobolus beddomeanusNiphobolus costatusPyrrosia beddomeanaApalophlebia costataNiphobolus beddomeanus f. fallaxPolypodium costatumNiphobolus costatus
