ratibida: genus of perennial wildflowers of North American plains and prairies; often cultivated for their showy flower heads
asterid dicot genus: genus of more or less advanced dicotyledonous herbs and some trees and shrubs
ultimate frisbee: a game between two teams whose players try to toss a Frisbee to one another until they cross the opponents goal; possession changes hands when the Frisbee is intercepted or touches the ground or goes out of bounds