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CCDB → Pteridophytes → Cyatheaceae → Alsophila → Alsophila firma (Baker) D. S. Conant
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cyathea mexicana Schltdl. & Cham. | Alsophila firma (Baker) D. S. Conant | 69 | IPCN72 | GOMEZ-PIGNATARO, L.D. 1971. Ricerche citologiche sulle Pteridof ite della Costa Rica. 1. Atti Ist. Bot. Univ. Lab. Crittogam. Pavia (Ser. 6.) 7: 29-31. | ||
| ! | Nephelea mexicana (Schltdl. & Cham.) R. M. Tryon | Alsophila firma (Baker) D. S. Conant | 138 | Love, 1977 | Gomez-Pignataro 1971 |