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CCDB → Angiosperms → Compositae → Ratibida → Ratibida columnifera f. columnifera
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Ratibida columnifera f. columnifera | Ratibida columnifera (Nutt.) Wooton & Standl. | 14 | IPCN67-71 | RICHARDS, E.L. 1968. A monograph of the genus Ratibida. Rhodora 70: 348-393. |