Are Fremontodendron and Mitella both native to the southwestern United States and northwest Mexico?
Fremontodendron Fremontodendron, with the common names fremontia, flannelbush, and flannel bush, is a genus of three known species of shrubs native to the Southwestern United States and northwest Mexico.
Gaillardia coahuilensis Gaillardia coahuilensis (bandanna daisy) is a North American species of flowering plant in the sunflower family. It is native to northwestern Mexico (Coahuila) and the southwestern United States (western Texas).