Ratibida columnifera (Nutt.) Wooton & Standl. [ Rudbeckia columnaris Sims]
      
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5 869843 Ratibida columnifera (Nutt.) Wooton & Standl. [116 892176 Rudbeckia columnifera Nutt.] Compositae
B. Maund, Bot. Gard., vol. 7 : t. 165, fig. 1 (1837) [Mills]