Annual Meadow-grass - Poa annua
Annual or short lived perennial grass growing to 30cm (12in) high, with branched erect stalks rooting at the lower nodes. Leaf blades slightly rough on the edges, flowers almost all year, growing in lawns, wasteland, pastures, as a weed in gardens, bare grassland and disturbed ground. Extremely common throughout the country. Leaves pale green, blunt tipped, often wrinkled. Flower is triangular in shape comprising branches of oval spikelets.