Cynodon dactylonCommon name: Couch
Distribution: Occurs throughout Australia.
Remarks: A prostrate perennial commonly used as a lawn grass. The purplish flowers are produced in late spring and summer. It is native to the Kimberley and tropics worldwide. Grazing stock has died after eating large quantities of young couch, as these are high in cyanide.
References: Western Weeds, A Guide to the Weeds of Western Australia. BMJ Hussey, GJ Keighery, J Dodd, SG Lloyd, RD Cousens. 1997.
Western Australian Plant Names and their Meanings, a Glossary. FA Sharp. 1996.
Flora of the Perth Region. NG Marchant, JR Wheeler, BL Rye, EM Bennett, NS Lander, TD Macfarlane. 1987.
Description and key to the identification of Grasses in South-Western Australia. JG Paterson. 1992.