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CCDB → Pteridophytes → Hymenophyllaceae → Cephalomanes → Cephalomanes oblongifolium C. Presl
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Cephalomanes oblongifolium C. Presl | Cephalomanes oblongifolium C. Presl | 32 | IPCN online | Mitui, K. 1976a. Chromosome numbers of some ferns in the Ryukyu Islands. J. Jap. Bot. 51: 33–41. | |||
| ! | Cephalomanes oblongifolium C. Presl | Cephalomanes oblongifolium C. Presl | 32 | IPCN75-78 | Mitui 1976a |