Systems Affected (standardized):
cropland/pastureland, disturbed/waste areas, urban/garden
Regions(s) present (updated by AB):
NE, NW, PH
Reduced crop yeild, out competes other more desireable plants by monopolizing resources, host of crop pests and disease, can produce allelopathic effects.
Source? likely to be reintroduced:
Outcompetes other species, particularly crops, by monopolizing resources. A prolific seed producer with long-lived seed. Seeds are winged and wind dispersed and can travel over ½ miles. May also be found as a seed contaminant.
Native Regions in OK:
Current and past designations:
Present in OK?
Present in Bordering States?
OK, TX, NM, CO, KS, MO, AR, LA
Has Legal Status in BS?