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CCDB → Angiosperms → Compositae → Carduus → Carduus acanthoides Hornem.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Carduus acanthoides Hornem. | Carduus acanthoides Hornem. | 16 | British Isles cytology | Wentworth, J.E., Bailey, J.P., Gornall, R.J. Watsonia 18: 415-418 (1991) | ||
| ! | Carduus acanthoides Hornem. | Carduus acanthoides Hornem. | 16 | British Isles cytology | Squirrell, J. Watsonia : (1994) | ||
| ! | Carduus acanthoides Hornem. | Carduus acanthoides Hornem. | 22 | Darlington, 1955 | Eur., Cauc. |