Ryan D, Cooper B. An evaluation of wild populations of perennial ryegrass from dairy farms in the Waikato and Bay of Plenty districts. NZGA R&P Series [Internet]. 2011 Jan. 1 [cited 2026 Apr. 19];15:169-72. Available from: https://www.nzgajournal.org.nz/index.php/rps/article/view/3198