Ambrosia dumosa, the burro-weed or white bursage, a North American species of plants in the family Asteraceae.

[3][4][5][6] Ambrosia dumosa has been studied to determine allelopathic interactions with creosote bush, Larrea tridentata, which produces a chemical that inhibits the growth of A.

Ambrosia dumosa or white bursage is a form of ragweed, is a highly branched shrub 20 to 90 cm in height.

Approximately obovate leaves are 1 to 3 times pinnately compound or deeply lobed and generally clustered on short branches.

Increasing cases in Mojave Desert as the population grows from Joshua Tree, CA to Las Vegas, NV.