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CCDB → Angiosperms → Compositae → Cirsium → Cirsium occidentale subsp. acrolepis Petr.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cirsium occidentale subsp. acrolepis Petr. | Cirsium acrolepis (Petr.) G. B. Ownbey | 17(1) | 34(16) | Asteracea | Ownbey 1968 Brittonia | |
| ! | Cirsium occidentale subsp. acrolepis Petr. | Cirsium acrolepis (Petr.) G. B. Ownbey | 17 | 34 | IPCN67-71 | OWNBEY, G.B. 1968. Cytotaxonomic notes on eleven species of Cirsium native to Mexico. Brittonia 20: 336-342. |