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CCDB → Pteridophytes → Thelypteridaceae → Metathelypteris → Lastrea laxa (Franch. & Sav.) Copel.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Lastrea laxa (Franch. & Sav.) Copel. | Metathelypteris laxa (Franch. & Sav.) Ching | 72 | IPCN65 | Kurita 1963 |