A glyphosate-tolerant perennial ryegrass (Lolium perenne) variety, in one example known as experimental code BAR Lp 2703, seed used to produce the grass, and methods of using the grass plant and the seed are provided. This grass is suitable for use in lawns, golf courses, sod, and other turfs, for example where weeds are or may become a problem. Weed control in areas planted with the disclosed grasses can be achieved by direct application of glyphosate herbicides.