Whārangi 2. Ngā whakaahua, ngā rauemi katoa
Me pēnei te tohu i te whārang
Ian Popay, Weeds of agriculture – Weed control, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/mi/story/4758/media (accessed 13 June 2026).
He kōrero nā Ian Popay, i tāngia i te 1 March 2009.
