annual bur-sage
Ambrosia acanthicarpa Hook.

Ambrosia acanthicarpa is an annual plant in the Asteraceae family, commonly known as annual bur-sage. It is native to North America and is found in regions including Alberta, Manitoba, Saskatchewan, and several U.S. states such as Arizona, California, Colorado, and others. The species was first described in 1833 by Hooker.
Description
Ambrosia acanthicarpa is an annual member of the genus Ambrosia, known as ragweeds. It is commonly referred to by several names, including annual bur-sage, flatspine bur ragweed, and western sand-bur. The plant is widespread in the western United States and the Prairie Provinces of Canada. It is characterized by its bristly appearance and is adapted to a variety of habitats in arid and semi-arid regions.
Other common names
Hooker's bur ragweedsandburannual bur-sageHooker's Bur-ragweedannual bursageburr ragweedflat-spine burr ragweedflat-spine bursageflat-spine ragweedflatspine bur ragweedflatspine burr ragweed
Distribution
Alberta · Manitoba · Saskatchewan · MX · Arizona · California · Colorado · Idaho · Kansas · Mexico Northeast · Mexico Northwest · Minnesota · Missouri · Montana · Nebraska · Nevada · New Mexico · North Dakota · Oklahoma · Oregon · South Dakota · Texas · Utah · Washington · Wyoming
Synonyms
Franseria montanaFranseria palmeriGaertneria acanthicarpaFranseria californicaGaertneria hookerianaFranseria hookerianaFranseria acanthicarpa
