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CCDB → Angiosperms → Compositae → Cirsium → Cirsium × okamotoi Kitam.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cirsium × okamotoi Kitam. | Cirsium × okamotoi Kitam. | 34(1) | Asteracea | Kurosawa 1982 In Hara, H. (ed.): Ozegahara-Scientific researches of the Highmoor in central Japan: Japan Soc. Prom. Science, Tokyo. |