Ambrosia trifida

Ambrosia trifida L. Engl.: giant ragweed, bitterweed, great ragweed, horsecane, horseweed, richweed, tall ambrosia, wild hemp. Deu.: Dreiblättrige Ambrosie. Suom.: sormituoksukki. Sven.: ambrosia.

Photo: Ambrosia trifida.

Photo: Ambrosia trifida. Flowering branches. Marburg bot.g., Germany. Planted. 2006-10-02.