Widdup, K., Hussain, S., Williams, W., Lowther, W., Pryor, H. and Sutherland, B. 2003. The development and plant characteristics of interspecific hybrids between white and caucasian clover. NZGA: Research and Practice Series. 11, (Jan. 2003), 143–148. DOI:https://doi.org/10.33584/rps.11.2003.3004.