Longhead-coneflower,Prairie-coneflower,Redspike Mexican-hat,Thimble-flower,Mexican-hat,Upright prairie-coneflower,Prairie coneflower,Long-Headed Coneflower,Mexican Hat,Yellow Mexican Hat,Prairie Mexican-hat,Prairie coneflower (upright),Redspike mexican hat,Upright prairie coneflower,Long-head coneflower,Red-spike Mexican-hat,Yellow prairie coneflower | Ratibida columnaris, Rudbeckia columnifera, Rudbeckia columnaris, Ratibida columnaris var. pulcherrima, Lepachys columnaris, Lepachys columnifera, Obeliscaria pulcherrima, Ratibida sulcata, Ratibida pulcherrima, Ratibida columnifera var. pulcherrima, Obeliscaria columnaris, Ratibida columnifera f. denudata, Ratibida columnifera f. pulcherrima |