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CCDB → Angiosperms → Compositae → Cirsium → Cirsium occidentale var. californicum (A. Gray) D. J. Keil & C. E. Turner
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Cirsium californicum A. Gray | Cirsium occidentale var. californicum (A. Gray) D. J. Keil & C. E. Turner | 30(2) | Asteracea | Ownbey et al. 1975 Brittonia | |||
| Cirsium californicum A. Gray | Cirsium occidentale var. californicum (A. Gray) D. J. Keil & C. E. Turner | 30 | IPCN online | Ownbey, G. B., P. H. Raven & D. W. Kyhos. 1975 [1976]. Chromosome numbers in some North American species of the genus Cirsium. III. Western United States, Mexico, and Guatemala. Brittonia 27(4): 297–304. | |||
| ! | Cirsium californicum A. Gray | Cirsium occidentale var. californicum (A. Gray) D. J. Keil & C. E. Turner | "28-30" | IPCN67-71 | OWNBEY, G.B., & Y-T. HSI. 1969. Chromosome numbers in some North American species of the genus Cirsium. II. Western United states. Madrono 20: 225-228. | ||
| ! | Cirsium occidentale var. californicum (A. Gray) D. J. Keil & C. E. Turner | Cirsium occidentale var. californicum (A. Gray) D. J. Keil & C. E. Turner | 28,29,30 | eFlora | |||
| ! | Cirsium californicum A. Gray | Cirsium occidentale var. californicum (A. Gray) D. J. Keil & C. E. Turner | 30 | Cave1963 | Moore & Frank, 1963 |