Add Yahoo as a preferred source to see more of our stories on Google. NY State IPM Program at Cornell University/Flickr/CC BY 2.0 Even if you didn't know its quirky name, you have likely seen ...

FARGO — Quackgrass and crabgrass have done quite well for themselves, as weeds go. Neither existed in North America until they were imported by well-intentioned people, and now the weedy grasses have ...