Balan, A. P., Rubi, A. J., Prakashkumar, R., (2020). Acta Botanica Hungarica 62(1/2), 1-6. Akadémiai Kiadó, Budapest, Hungary. English language
Cheek, M. D., Boon, R. G. C., Wong, K. M., Hadebe, M., (2021). South African Journal of Botany 142, 502-508. Elsevier Ltd, Oxford, UK. English language
Raboin, E., Brooks, S., Calvert, F., Johnson, M. T., (2013). Proceedings of the XIII International Symposium on Biological Control of Weeds, Waikoloa, Hawaii, USA, 11-16 September, 2011, 247. USDA Forest Service, Pacific Southwest Research Station, Institute of Pacific Islands Forestry, Hilo, USA. English language