1,689 Nur Sakinah Ismail 2018-03-15 http://agriculture.vic.gov.au/agriculture/horticulture/vegetables/vegetables-a-z/chinese-flowering-cabbage-choy-sum The State of Victoria (1996-2019). Chinese flowering cabbage (Choy sum). Retrieved from http://agriculture.vic.gov.au/agriculture/horticulture/vegetables/vegetables-a-z/chinese-flowering-cabbage-choy-sum Revised record 30.9.2019.