Easton, H., Jahufer, M., Flay, C., Schmidt, J., Rolston, M., Trethewey, J., Ryan, D. and Faville, M. 2015. Environment and ryegrass genetics - multisite trial of advanced breeding populations. Journal of New Zealand Grasslands. 77, (Jan. 2015), 233–238. DOI:https://doi.org/10.33584/jnzg.2015.77.455.