Ambrosia psilostachya var. coronopifolia (Torrey & A. Gray) Farwell

Ambrosia psilostachya var. coronopifolia (Torrey & A. Gray) Farwell is a synonym sensu FNA Ed. Comm., 2006c of:

Ambrosia psilostachya de Candolle, an accepted species name sensu FNA Ed. Comm., 2006c.