Ambrosia artemisiifolia Ambrosia artemisiifolia L., Sp. Pl. 988 1753. (Syn: Iva monophylla Walt.); . USA (Connecticut, District of Columbia, Illinois, Massachusetts, Maine,...
Ambrosia psilostachya (Canada) Ambrosia psilostachya DC., Prodr. 5: 526 (1836) (syn: Ambrosia californica Rydb. ; Ambrosia coronopifolia Torr. & A.Gray ; Ambrosia lindheimeriana Scheele ; Ambrosia...