Yellow Coneflower (Ratibida pinnata) also known as: Prairie Coneflower, Pinnate Prairie Coneflower, Gray-Headed Coneflower and Gray-Head Coneflower.  Division - Magnoliaphyta Class - Magnoliopsida Subclass - Asteridae Order - Asterales Family - Asteraceae Genus - Ratibida          Taxonomic List List by Scientific Name Text Only List by Scientific Name |