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CCDB → Pteridophytes → Hymenophyllaceae → Hymenophyllum → Hymenophyllum exsertum Wall. ex Hook.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Hymenophyllum exsertum Wall. ex Hook. | Hymenophyllum exsertum Wall. ex Hook. | 21 | IPCN online | Raj, V. I. & V. S. Manickam. 1987. SOCGI plant chromosome number reports -- IV [i.e., V]. J. Cytol. Genet. 22: 156–161. | |||
| Hymenophyllum gardneri Bosch | Hymenophyllum exsertum Wall. ex Hook. | 21II | IPCN online | Manickam, V. S. & V. Irudayaraj. 1989. Corrections to the cytology of ferns of the western Ghats. Indian Fern J. 6: 131–132. | |||
| ! | Mecodium exsertum (Wall.) Copel. | Hymenophyllum exsertum Wall. ex Hook. | 42 | Love, 1977 | Manton & Sledge 1954 | ||
| ! | Mecodium exsertum (Wall.) Copel. | Hymenophyllum exsertum Wall. ex Hook. | 42 | Love, 1977 | Mehra & Singh 1957 | ||
| ! | Mecodium exsertum (Wall.) Copel. | Hymenophyllum exsertum Wall. ex Hook. | 42 | Love, 1977 | Ghatak 1961b | ||
| ! | Hymenophyllum exsertum Wall. ex Hook. | Hymenophyllum exsertum Wall. ex Hook. | 42 | eFlora | |||
| ! | Hymenophyllum exsertum Wall. ex Hook. | Hymenophyllum exsertum Wall. ex Hook. | 21 | Cave1956supp | Manton & Sledge 1954 | ||
| ! | Hymenophyllum exsertum Wall. ex Hook. | Hymenophyllum exsertum Wall. ex Hook. | 21 | Cave1957 | Mehra & Singh |