Canada's Plant Hardiness Site

Asteraceae daisy family
Ambrosia trifida L.
En: giant ragweed, great ragweed, buffalo-weed, skeletonleaf bursage;
Fr: grande herbe a poux, ambroisie trifide

• [=Ambrosia aptera DC.]
• [=Ambrosia integrifolia Muhl. ex Willd.]
• [=Ambrosia simplicifolia Walter]
• [=Ambrosia striata Rydb.]
• [=Ambrosia trifida L. forma integrifolia (Muhl. ex Willd.) Fernald]
• [=Ambrosia trifida L. var. aptera (DC.) Kuntze]
• [=Ambrosia trifida L. var. heterophylla Kuntze]
• [=Ambrosia trifida L. var. integrifolia (Muhl. ex Willd.) Torr. & A.Gray]
• [=Ambrosia trifida L. var. normalis Kuntze, nom. inval.]
• [=Ambrosia trifida L. var. polyploidea J. Rousseau]
• [=Ambrosia trifida L. var. texana Scheele]
• [=Ambrosia trifida L. var. trifida (L.) Cronq., nom. illeg.]
• [=Ambrosia variabilis Rydb.]