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CCDB → Pteridophytes → Dryopteridaceae → Lastreopsis → Ctenitis effusa (Sw.) Copel.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Ctenitis effusa (Sw.) Copel. | Lastreopsis effusa (Sw.) Tindale | 41 | IPCN65 | Walker 1964-65 | |||
| Ctenitis effusa (Sw.) Copel. | Lastreopsis effusa (Sw.) Tindale | 41 | IPCN online | Walker, T. G. 1973. Additional cytogenetic notes on the pteridophytes of Jamaica. Trans. Roy. Soc. Edinburgh 69: 109–135. | |||
| Ctenitis effusa (Sw.) Copel. | Lastreopsis effusa (Sw.) Tindale | 41 | IPCN75-78 | Walker 1973 |