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CCDB → Angiosperms → Compositae → Cirsium → Cirsium ambiguum All.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cirsium ambiguum A. [. C. H. (. ). H. × . C. R. A. ] | Cirsium ambiguum All. | 2C (=2.35pg)(7) | Asteracea | Bures et al. 2004 Ann. Bot. |