Ratibida columnifera (Nutt.) Wooton & Standl. [ Lepachys columnaris (Pursh) Torr. & A.Gray]
no HD illustration available (m1)
Ratibida columnifera (Nutt.) Wooton & Standl. [ Rudbeckia columnifera Nutt.] [Compositae]
The Garden, vol. 51 : (1897)