spiny sowthistle, prickly sowthistle, perennial sowthistle
forest/woodland, disturbed/waste areas, rangeland, urban/garden, riparian/aquatic, 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 monocultures, impacting native species. Prolific seeder. Easily dispersed by animals. A seed contaminant.