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CCDB → Angiosperms → Onagraceae → Oenothera → Oenothera californica (S. Watson) S. Watson
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Oenothera californica var. californica | Oenothera californica (S. Watson) S. Watson | 14 | Cave1958 | Lewis et al. 1958 | |||
| ! | Oenothera californica var. californica | Oenothera californica (S. Watson) S. Watson | 14 | Cave1959 | Snow 1959 | ||
| ! | Oenothera californica (S. Watson) S. Watson | Oenothera californica (S. Watson) S. Watson | 7 | Cave1962 | Kurabayashi et al. 1962; Klein 1962 |