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CCDB → Pteridophytes → Ophioglossaceae → Helminthostachys → Helminthostachys zeylanica (L.) Hook.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helminthostachys zeylanica (L.) Hook. | Helminthostachys zeylanica (L.) Hook. | 94 | 188 | IPCN online | Sinha, B. M., D. P. Srivastava & J. Jha. 1979. Helminthostachys zeylanica (L.) Hook. -- meiotic analysis in a population from N. Bihar. J. Cytol. Genet. 14: 88–90. | ||
| ! | Helminthostachys zeylanica (L.) Hook. | Helminthostachys zeylanica (L.) Hook. | 188 | eFlora | |||
| ! | Helminthostachys zeylanica None | Helminthostachys zeylanica (L.) Hook. | 94 | 188 | Cave1956 | Ninan b | |
| ! | Helminthostachys zeylanica None | Helminthostachys zeylanica (L.) Hook. | "92-94" | Cave1956supp | Manton & Sledge 1954 |