Stevens, D. R., Tozer, K. N., Rhodes, T., Zydenbos, S. M., Dynes, R. A., Manning, M. J., Roberts, A. H., White, M., & Metherell, A. (2019). Farm systems analysis of two thistles of differing seasonal pasture growth impacts in North Island hill country. Journal of New Zealand Grasslands, 81, 149–158. https://doi.org/10.33584/jnzg.2019.81.411