Ghamkhar, K., Faithful, T., Nichols, P. and Ryan, M. 2016. Diversity within subterranean clover and biserrula for persistence traits with potential use in New Zealand hill country. NZGA: Research and Practice Series. 16, (Jan. 2016), 299–307. DOI:https://doi.org/10.33584/rps.16.2016.3242.