Are Fremontodendron and Mitella both native to the southwestern United States and northwest Mexico?
Mitella Mitella is a genus of flowering plants known as miterworts or bishop's caps. "Mitella" species are native to temperate and arctic North America and Asia.
Polygonella americana Polygonella americana, commonly called southern jointweed or American jointweed, is a species of flowering plant in the knotweed family. It is native to Southeastern United States extending in scattered locations west to New Mexico. Its preferred habitat is dry, sandy areas.