pokeweed
birds eat the berries and drop them everywhere , especially along fence lines , bushes and trees
Pokeweed (Phytolacca americana)
if you are trying to get rid of them , they can grow large tubers underground that will most likely need to be dug up ,
pulling the up or breaking them off at the soil is usually just a temporary fix , they most likely will keep growing back.
and if you dig them up , birds usually just plant more in other spots if not the same.