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CCDB → Angiosperms → Compositae → Ratibida → Ratibida columnifera f. pulcherrima (DC.) Fernald
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Ratibida columnifera f. pulcherrima (DC.) Fernald | Ratibida columnifera f. pulcherrima (DC.) Fernald | 17-19 | IPCN72 | SOLBRIG, O.T., D.W. KYHOS, M. POWELL, & P.H. RAVEN. 1972. Chromosome numbers in Compositae VIII: Heliantheae. Amer. J. Bot. 59: 869-878. | ||
| ! | Ratibida columnifera f. pulcherrima (DC.) Fernald | Ratibida columnifera f. pulcherrima (DC.) Fernald | 14 | IPCN67-71 | RICHARDS, E.L. 1968. A monograph of the genus Ratibida. Rhodora 70: 348-393. |