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.
Thamnosma montana Thamnosma montana, the turpentine broom, or Mojave desert-rue, is a shrub in the citrus family Rutaceae. It is native to the deserts of the southwestern United States and northern Mexico. Except immediately after heavy rains, its straight stems usually lack leaves, giving it a broom-like appearance. The Latin specific epithet "montana" refers to mountains or coming from mountains.