Further information
References
Connor, H. 1992. The poisonous plants in New Zealand. DSIR Bulletin 99, GP Publications Ltd., Wellington, New Zealand. 247 p.
Harrington KC, 2015. Wild turnip, Brassica rapa ssp. sylvestris. Weeds database, Massey University (accessed 30 March 2016).
Popay A, Champion P, James T 2010. An illustrated guide to common weeds of New Zealand. New Zealand Plant Protection Society, Christchurch, New Zealand. 416 p.
Webb CJ, Sykes WR, Garmock-Jones PT 1988. Flora of New Zealand, Vol. IV: Naturalised pteridophytes, gymnosperms, dicotyledons. Botany Division, DSIR, Christchurch, New Zealand. 1365 p.