| Collector | Christensen, H. M. |
| Number | 349 |
| Collected with | F. L. Apu |
| Country | Malaysia |
| Subpart | SARAWAK |
| County | |
| Locality | 4th division, Kelabit Highlands. In open grassy whitesand area around Batu Batong |
| Coordinates | 3° 40' N 115° 50' E |
| Minimum elevation (m) | 1000 |
| Maximum elevation (m) | 1000 |
| Start date | 1993/08/06 |
| End date | 1993/08/06 |
| Family | Ophioglossaceae |
| Identification | Helminthostachys zeylanica (L.) Hook. |
| Determined by | Edwards, P. J. |
| Identification qualifier | |
| Field notes | Uses: Young fronds are eaten as vegetable. Name in Kelabit language: Pao Luang/Tang. |