WIDDUP, K.; CARADUS, J.; GREEN, J.; PENNELL, M. White clover ecotype germplasm from the USA for development of New Zealand and overseas cultivars. NZGA: Research and Practice Series, [S. l.], v. 6, p. 149–153, 1996. DOI: 10.33584/rps.6.1995.3356. Disponível em: https://www.nzgajournal.org.nz/index.php/rps/article/view/3356. Acesso em: 23 oct. 2026.