An apparatus and methods are provided for removing unwanted plants or weeds from an area such as an agricultural plot or lawn. The apparatus includes a three-dimensional imager configured to capture plant images and locate plants an image processor configured to distinguish between wanted and unwanted plants based upon the captured plant images at least one removal device configured to damage a target on the unwanted plants a guidance system configured to direct at least one laser beam toward the unwanted plant a stabilization system configured to provide feedback compensation to one or both of the three-dimensional imager and the guidance system and a chassis configured to support the three-dimensional imager, the laser device, the guidance system, and the stabilization system. The chassis is configured to be moved across the area.