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CCDB → Angiosperms → Compositae → Crepis → Crepis occidentalis Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Crepis occidentalis Nutt. | Crepis occidentalis Nutt. | 22, 33, 44, 77?(1, 1, 1, 1) | Asteracea | Stebbins ＆ J. 1939 Genetica | |||
| ! | Crepis occidentalis Nutt. | Crepis occidentalis Nutt. | 22,33,44,55,66,77,88 | eFlora | |||
| Crepis occidentalis subsp. occidentalis | Crepis occidentalis Nutt. | 22,33 | eFlora |