Lepachys columnaris
| Lepachys columnaris Torrey & A. Gray, Fl. N. Amer. 2: 315. 1842, nom. illegit. | Rudbeckia columnaris Pursh 1814, nom. illegit. et non Sims 1813; Rudbeckia columnifera Nuttall 1813. | |
Lepachys columnaris var. pulcherrima
| Lepachys columnaris Torrey & A. Gray, var. pulcherrima (de Candolle) Torrey & A. Gray, Fl. N. Amer. 2: 315. 1842. | Obeliscaria pulcherrima de Candolle 1836. | |
Lepachys columnifera
| Lepachys columnifera (Nuttall) J. F. Macbride, Contr. Gray Herb. 65: 45. 1922. | Rudbeckia columnifera Nuttall 1813. | |
Lepachys columnifera var. pulcherrima
| Lepachys columnifera (Nuttall) J. F. Macbride, var. pulcherrima (de Candolle) Rydberg, Fl. Plains N. Amer. 838. 1932. | Obeliscaria pulcherrima de Candolle 1836. | |
Obeliscaria columnaris
| Obeliscaria columnaris (Sims) de Candolle, Prodr. 5: 559. 1836. | Rudbeckia columnaris Sims 1813. | |
Obeliscaria pulcherrima
| Obeliscaria pulcherrima de Candolle, Prodr. 5: 559. 1836. | | TEXAS: San Fernando to Bejar, Jun 1832, Berlandier 1960 (lectotype: G-DC; isolectotype: GH). Lectotypified by E. L. Richards, Rhodora 70: 376. 1968. |
Ratibida columnaris
| Ratibida columnaris Pursh, Fl. Amer. Sept. 575. 1814, nom. illegit. et non Sims 1813. | Rudbeckia columnifera Nuttall 1813. | |
Ratibida columnaris
| Ratibida columnaris (Sims) D. Don, in Sweet, Brit. Fl. Gard. 7: pl. 361. 1837. | Rudbeckia columnaris Sims 1813. | |
Ratibida columnaris var. pulcherrima
| Ratibida columnaris (Sims) D. Don, var. pulcherrima (de Candolle) D. Don, in Sweet, Brit. Fl. Gard. 7: pl. 361. 1837. | Obeliscaria pulcherrima de Candolle 1836. | |
Ratibida columnifera var. appendiculata
| Ratibida columnifera (Nuttall) Wooton & Standley, var. appendiculata Cockerell, J. Heredity 7: 428. 1916. | | COLORADO: Boulder Co.: Near Boulder, |
Ratibida columnifera var. breviradiata
| Ratibida columnifera (Nuttall) Wooton & Standley, var. breviradiata Cockerell, Amer. Naturalist 49: 620. 1915. | | COLORADO: Boulder Co.: Near Boulder, |
Ratibida columnifera var. incisa
| Ratibida columnifera (Nuttall) Wooton & Standley, var. incisa Cockerell, Amer. Naturalist 49: 620. 1915. | | COLORADO: Boulder Co.: Near Boulder, |
Ratibida columnifera var. pulcherrima
| Ratibida columnifera (Nuttall) Wooton & Standley, var. pulcherrima (de Candolle) Wooton & Standley, Contr. U.S. Natl. Herb. 19: 706. 1915. | Obeliscaria pulcherrima de Candolle 1836. | |
Ratibida columnifera var. tubularis
| Ratibida columnifera (Nuttall) Wooton & Standley, var. tubularis Cockerell, Amer. Naturalist 49: 620. 1915. | | COLORADO: Boulder Co.: Near Boulder, |
Ratibida sulcata
| Ratibida sulcata Rafinesque, J. Phys. Chim. Hist. Nat. Arts 89: 100. 1819, nom. illegit. | Rudbeckia columnifera Nuttall 1813. | |
Rudbeckia columnaris
| Rudbeckia columnaris Sims, Bot. Mag. 39: pl. 1601. 1813. | | |
Rudbeckia columnaris var. pulcherrima
| Rudbeckia columnaris Pursh, var. pulcherrima (de Candolle) Rothrock, Rep. U.S. Geogr. Surv., Wheeler 190. 1879. | Obeliscaria pulcherrima de Candolle 1836. | |
Rudbeckia columnifera
| Rudbeckia columnifera Nuttall, Cat. Pl. Upper Louisiana 1813. | | |