Trifolium campestreCommon name: Hop Clover
Distribution: Occurs from Kalbarri to Walpole.
Remarks: A herb to 30 centimetres tall. The yellow flowers are produced from August to November. This plant is a native of 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.