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CCDB → Angiosperms → Compositae → Crepis → Crepis biennis M. Bieb.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Crepis biennis M. Bieb. | Crepis biennis M. Bieb. | 31 | British Isles cytology | Edmonds, J.M., Sell, P.D., Walters, S.M. Watsonia 10: 159-161 (1974) | ||
| ! | Crepis biennis M. Bieb. | Crepis biennis M. Bieb. | 40 | British Isles cytology | Morton, J.K. Watsonia 11: 211-223 (1977) | ||
| ! | Crepis biennis M. Bieb. | Crepis biennis M. Bieb. | 40 | British Isles cytology | Edmonds, J.M., Sell, P.D., Walters, S.M. Watsonia 10: 159-161 (1974) |