disturbed/waste areas, urban/garden, cropland/pastureland
Regions likely to be Impacted:
PH, NE, NW, SE, SW
Present in Neighboring States?
AR, CO, KS, LA, MO, NM, TX
Currently known from Oklahoma?
Joseph M. DiTomaso, University of California- Davis, Bugwood.org
What you should know!
Can form dense stands that outcompete native plants. Spread by mowing, wind, animals, and vehicular traffic.