Lactuca serriolaCommon name: Prickly Lettuce
Distribution: It is found throughout the southwest of Western Australia.
Remarks: Lactuca serriola can grow to 2 metres tall and has yellow flowers in December. It is native to Europe.
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.