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Weakleaf bur ragweed

Ambrosia confertiflora

Also called Weakleaf Burr Ragweed, Bur Ragweed, Slimleaf Bursage, Ragweed, Burr Ragweed

Weakleaf bur ragweed
Photo: Richard Spellenberg, CC BY-SA 3.0
Family
Asteraceae (Daisy family)
Grows as
Perennial
Native range
SW. & C. U.S.A. to N. & W. Mexico
Climate
subtropical

About

Ambrosia confertiflora is a North American species of ragweed known by the common name weakleaf bur ragweed.

Where it grows

Ambrosia confertiflora is native to much of northern Mexico (from Sonora to Tamaulipas) and the southwestern United States from California east as far as Kansas, Oklahoma, and central Texas. It is also naturalized in various other regions, and has been declared a noxious weed in Australia and in Israel. It grows in disturbed sites.

Other Ambrosia plants

Flatspine bur ragweed · Ambrosia leaf bur ragweed · Ambrosia arborescens · Annual ragweed · Lanceleaf ragweed · Silver bur ragweed · Rio Grande ragweed · San Diego bur ragweed · Tucson bur ragweed · Triangle bur ragweed · Burrobush · Woolly fruit bur ragweed

Text excerpted from the Wikipedia article Ambrosia confertiflora by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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