Hymenothrix wislizeni
Family: Composite or Sunflower (Compositae)
Size: Minute in flat topped terminal clusters of variable size.
Date: 6/18/2001
Other names: Hierba Amarilla
Notes: 3 species of Hymenothrix in Arizona.
This plant is found on the Appleton-Whittell Research Ranch Working Check list of flora.
TransPecos Thimblehead plant profile on the USDA Plants server.