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.
Artemisia porteri Artemisia porteri is a species of flowering plant in the aster family known by the common names Porter's sagebrush, Porter's wormwood, and Porter mugwort. It is endemic to Wyoming in the United States, where it is known from Fremont, Johnson and Natrona Counties.