Machaeranthera gracilis (Aplopappus or Haplopappus gracilis)
Family:Composite or Sunflower (Compositae)
Size: To 1.25 in wide.
Date: 6/18/2001
Other names: Golden weed, yellow daisy
Notes: More than a dozen species of Machaeranthera in Arizona.
This plant is found on the Appleton-Whittell Research Ranch Working Check list of flora.