Introduced perennial grass, 20-120cm tall. Leaves mostly basal, some alternating up the stem, with a hairy sheath at the base. Ligule a membrane without a fringe of hairs. Leaves 4-20cm long, 3-10mm wide, flat, hairy, with a fine point. Spikelets green, pink, or purple, turning white, 4-7mm long. Mature seed groups cylindrical to spreading. Seeds with 1 very short awn or point.
Description and photo of seeding plant in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales page 110
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Holcus~lanatus
ausgrass2 description, photos, and line drawings: http://ausgrass2.myspecies.info/content/holcus-lanatus
Weeds of Australia Biosecurity Queensland description: http://keyserver.lucidcentral.org/weeds/data/03030800-0b07-490a-8d04-0605030c0f01/media/Html/Holcus_lanatus.htm