old man in the spring, common groundsel
cropland/pastureland, disturbed/waste areas, urban/garden
Regions likely to be Impacted:
Present in Neighboring States?
AR, CO, KS, LA, MO, NM, TX
Currently known from Oklahoma?
Steve Dewey, Utah State University, Bugwood.org
What you should know!
Able to compete with different crop species of different growth habits. Increasing tolerance to different herbicide groups. Poisonous to cattle and horses and toxic to humans. Prolific seeder, with three generations of plants growing each year. Probably introduced as a grain contaminant. Seeds are easily dispersed by the wind.