Further information
- Young, S 2018. New Zealand Novachem agrichemical manual. Agrimedia Ltd, Christchurch, New Zealand. 912 p.
- Champion P, James T, Popay I, Ford K 2012. An illustrated guide to common grasses, sedges and rushes of New Zealand. New Zealand Plant Protection Society, Christchurch, New Zealand. 208 p.
- Auckland Council. Viper’s Bugloss. (accessed 20 September 2019)
There is considerable Australian literature on Paterson’s curse, such as: