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CCDB → Angiosperms → Compositae → Cirsium → Cirsium rigens (Aiton) Wallr.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cirsium rigens (D. W. [. C. A. (L.) S. × . O. S. ] | Cirsium rigens (Aiton) Wallr. | 2C (=2.49pg)(4) | Asteracea | Bures et al. 2004 Ann. Bot. |