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CCDB → Angiosperms → Compositae → Ratibida → Ratibida columnifera var. columnifera
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Ratibida columnifera var. columnifera | Ratibida columnifera (Nutt.) Wooton & Standl. | 17-19(1) | Asteracea | Solbrig et al. 1972 Amer. J. Bot. | ||
| ! | Ratibida columnifera var. columnifera | Ratibida columnifera (Nutt.) Wooton & Standl. | 14(1) | Asteracea | Richards, E. L. 1968 Rhodora |