| Helminthostachys | |
|---|---|
| |
| Helminthostachys zeylanica | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Ophioglossales |
| Family: | Ophioglossaceae |
| Subfamily: | Helminthostachyoideae C.Presl |
| Genus: | Helminthostachys Kaulf. 1824 |
| Type species | |
| Helminthostachys dulcis Kaulfuss 1822
| |
| Species | |
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| Synonyms | |
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Helminthostachys is a fern genus in the Ophioglossaceae (adder's tongue) family.[3] It is widespread throughout southeast Asia and Australia.