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CCDB → Pteridophytes → Hymenophyllaceae → Sphaerocionium → Sphaerocionium × tucuchense Jermy & T. G. Walker
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Sphaerocionium × tucuchense Jermy & T. G. Walker | Sphaerocionium × tucuchense Jermy & T. G. Walker | 72 | IPCN online | Walker, T. G. 1985. Cytotaxonomic studies of the ferns of Trinidad 2. The cytology and taxonomic implications. Bull. Brit. Mus. (Nat. Hist.), Bot. 13(5): 149–249. |