Controlling variegated thistle in East Coast North Island hill-country. Journal of New Zealand Grasslands, [S. l.], v. 80, p. 225–234, 2018. DOI: 10.33584/jnzg.2018.80.326. Disponível em: https://test.nzgajournal.org.nz/index.php/JoNZG/article/view/326. Acesso em: 26 sep. 2026.