Photo: Ambrosia trifida 0.

Flowering branches. Marburg bot.g., Germany. Planted. 2006-10-02.

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