Ambrosia ambrosioides

Ambrosia ambrosioides (Cav.) Payne. Engl.: Canyon ragweed, ambrosia-leaf burr ragweed, bursage, Giant bur-sage, Giant Bursage. Bot. syn.: Franseria ambrosioides Cav.

Photo: Ambrosia ambrosioides.

Photo: Ambrosia ambrosioides. Flowering plant. Pipeline road, AZ, US. Wild. 1998-03-01.

Photo: Ambrosia ambrosioides 1.

Photo: Ambrosia ambrosioides 1. Closeup of flower. Pipeline road, AZ, US. Wild. 1998-03-01.