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CCDB → Pteridophytes → Polypodiaceae → Polypodium → Polypodium appalachianum Haufler & Windham
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Polypodium appalachianum Haufler & Windham | Polypodium appalachianum Haufler & Windham | 37 | IPCN online | Haufler, C. H. & Z. Wang. 1991. Chromosomal analyses and the origin of allopolyploid Polypodium virginianum (Polypodiaceae). Amer. J. Bot. 78: 624–629. | |||
| ! | Polypodium appalachianum Haufler & Windham | Polypodium appalachianum Haufler & Windham | 74 | eFlora |