Ratibida columnaris (Sims) D. Don
Ratibida columnaris (Sims) D. Don is a synonym sensu FNA Ed. Comm., 2006c of:
Ratibida columnifera (Nuttall) Wooton & Standley, an accepted species name sensu FNA Ed. Comm., 2006c.
Ratibida columnaris (Sims) D. Don is a synonym sensu FNA Ed. Comm., 2006c of:
Ratibida columnifera (Nuttall) Wooton & Standley, an accepted species name sensu FNA Ed. Comm., 2006c.