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CCDB → Angiosperms → Compositae → Croptilon → Croptilon divaricatum var. hookerianum (Torr. & A. Gray) Shinners
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Croptilon divaricatum var. hookerianum (Torr. & A. Gray) Shinners | Croptilon hookerianum (Torr. & A. Gray) House | 12 | IPCN online | Semple, J. C., J. G. Chmielewski & M. E. Lane. 1989. Chromosome number determinations in fam. Compositae, tribe Astereae. III. Additional counts and comments on generic limits and ancestral base numbers. Rhodora 91: 296–314. | |||
| Croptilon divaricatum var. hookerianum (Torr. & A. Gray) Shinners | Croptilon hookerianum (Torr. & A. Gray) House | 12 | IPCN online | Semple, J. C. 1980. In Chromosome number reports LXVII. Taxon 29: 357–358. |