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CCDB → Angiosperms → Onagraceae → Chylismia → Oenothera walkeri subsp. tortilis (Jeps.) P. H. Raven
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Oenothera walkeri subsp. tortilis (Jeps.) P. H. Raven | Chylismia walkeri subsp. tortilis (Jeps.) W. L. Wagner & Hoch | 7 | Cave1962 | Kurabayashi et al. 1962; Raven 1962 |