Trifolium pratense (Red Clover) is a species of clover, native to Europe, western Asia and northwest Africa, but planted and naturalised in many other regions.
Desmodium paniculatum, or Panicled Tick-Trefoil, is a flowering plant native to the United States.
Amphicarpaea bracteata (Hog-peanut) is an annual to perennial vine in the legume family, native to woodland, thickets, and moist slopes in eastern North America.