Hymenoxys odorata
 Hymenoxys odorata is a species of flowering plant in the daisy family known by the common names bitter rubberweed and western bitterweed. It is native to the southwestern United States from California to Texas and northern Mexico where it grows in dry regions. This is an annual herb producing a branching stem to a maximum height near 60 centimeters. The stems are covered in a foliage of short leaves which are divided into narrow pointed lobes.