Zinnia acerosa  Desert Zinnia
PERENNIAL HERB.  Forms low shrubby mounds with narrow, almost needlelike dark grayish green leaves and white, papery looking flowers with yellow centers.  Blooms from March-frost with sufficient rain.  In the Empires, very common in desertscrub.  Psilostrophe cooperi has similar flowers but they are entirely yellow and the plant has longer, paler stems.
FAMILY:  Asteraceae (Composite or Daisy Family)