Northern Ontario Plant Database
Synonymy
Synonymy - Ambrosia psilostachya
Asteraceae Daisy Family
Ambrosia psilostachya DC.
perennial ragweed, western ragweed, naked-spike ambrosia, Cuman ragweed
; Fr: herbe à poux vivace
- [=Ambrosia californica Rydb.]
- [=Ambrosia coronopifolia Torr. & A.Gray]
- [=Ambrosia cumanensis auct., non Kunth]
- [=Ambrosia lindheimeriana Scheele]
- [=Ambrosia psilostachya DC. var. californica (Rydb.) S.F.Blake]
- [=Ambrosia psilostachya DC. var. coronopifolia (Torr. & A.Gray) Farw.]
- [=Ambrosia psilostachya DC. var. lindheimeriana (Scheele) Blank.]
- [=Ambrosia rugelii Rydb.]