Ferguson, Justine, Wayne Nichol, Allister Moorhead, and Sarah McKenzie. “Impact of Selected Epichloë Endophyte on Perennial Ryegrass Yield Performance across Regions in New Zealand”. NZGA: Research and Practice Series 18 (December 4, 2025): 171–180. Accessed June 23, 2026. https://www.nzgajournal.org.nz/index.php/rps/article/view/3783.