Annual Beardgrass, Beardgrass
Introduced annual grass to 1m tall or sprawling. Leaves with a hairless sheath at the base. Ligule a membrane without a fringe of hairs. Leaves flat, 1.5-32cm long, 1-11mm wide, hairless, rough in larger plants. Spikelets pale green or yellowish, 1-3mm long. Flowerhead oval to cylindrical. Seeds with 2 awns to 9mm long on the outer husks, and sometimes a third awn to 3mm long on the actual seed.
Description and photo in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales pages 135-136
PlantNET description with line drawings: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Polypogon~monspeliensis
ausgrass2 description with line drawings and photos: http://ausgrass2.myspecies.info/content/Polypogon-monspeliensis