Crabgrass is one of the most-feared weeds out there, but have you ever seen its doppelgangers? Crabgrass (Digitaria spp.) is ...

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 quackgrass in your yard, whether on the lawn or garden. This creeping weed is ...