Family: Composite or Sunflower (Compositae)
Size: To 0.4 in.
Other names: Colorado Greenthread, cota
Notes: No ray flowers, only disk flowers; the flower heads are smaller than those of Thelesperma megapotamicum. 3 species of Thelesperma in Arizona.
This plant is found on the Appleton-Whittell Research Ranch Working Check list of flora.