Simaroubaceae (weeds)
From Pestinfo-Wiki

Ailanthus altissima foliage (click on image to enlarge it)
Author(s): Leslie J. Mehrhoff, University of Connecticut
Source: IPM Images
Author(s): Leslie J. Mehrhoff, University of Connecticut
Source: IPM Images
Simaroubaceae (weeds) - (quassia family)
The family includes trees and shrubs, mainly in the tropics. They are characterized by having a bitter bark and compound, alternate leaves. While many species are useful, the tree-of-heaven has been introduced as an ornamental outside its native range in Asia and has become invasive in various regions.
Currently, the following species have been entered into the system: