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CCDB → Angiosperms → Compositae → Cirsium → Cirsium drummondii Torr. & A. Gray
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cirsium drummondii Torr. & A. Gray | Cirsium drummondii Torr. & A. Gray | 34(1) | Asteracea | Ownbey ＆ H. 1963 Rhodora | ||
| Cirsium drummondii Torr. & A. Gray | Cirsium drummondii Torr. & A. Gray | 17(1) | 34, 2C (=45-50m)(1,) | Asteracea | Moore & F. 1964 Canad. J. Bot. (= Botany) | ||
| ! | Cirsium drummondii Torr. & A. Gray | Cirsium drummondii Torr. & A. Gray | 16(1) | Asteracea | Parfitt et al. 1990 Sida (= J. Bot. Res. Inst. Texas) | ||
| Cirsium drummondii Torr. & A. Gray | Cirsium drummondii Torr. & A. Gray | 34 | IPCN online | Love, A. & D. Love. 1982. In: IOPB chromosome number reports LXXVI. Taxon 31: 583–587. | |||
| Cirsium drummondii Torr. & A. Gray | Cirsium drummondii Torr. & A. Gray | 17 | IPCN online | Keil, D. J. 1979. In IOPB chromosome number reports LXIII. Taxon 28: 271–273. | |||
| ! | Cirsium drummondii Torr. & A. Gray | Cirsium drummondii Torr. & A. Gray | 16 | IPCN online | Parfitt, B. D., D. J. Pinkava, D. Rickel, D. Fillipi, B. Eggers & D. J. Keil. 1990. Documented chromosome numbers 1990: 1. Miscellaneous North American vascular plants. Sida 14: 305–308. | ||
| ! | Cirsium drummondii Torr. & A. Gray | Cirsium drummondii Torr. & A. Gray | 34 | IPCN73-74 | GARDNER, R. C. 19 7 4 . Systematics of Cirsium (Compositae) in Wyoming. Madrono 22: 239-265. | ||
| ! | Cirsium drummondii Torr. & A. Gray | Cirsium drummondii Torr. & A. Gray | 34 | Cave1963 | Ownbey & Hsi 1963 |