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CCDB → Pteridophytes → Osmundaceae → Osmunda → Osmunda × ruggii Tryon
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Osmunda × ruggii Tryon | Osmunda × ruggii Tryon | 44II | IPCN online | Wagner, W. H. J., F. S. Wagner, C. N. J. Miller & D. H. Wagner. 1978. New observations on the royal fern hybrid Osmunda X ruggii. Rhodora 92–106. | ||
| ! | Osmunda × ruggii Tryon | Osmunda × ruggii Tryon | 44II | IPCN75-78 | Wagner et al. 1978 | ||
| ! | Osmunda × ruggii | Osmunda × ruggii Tryon | 44 | eFlora |