SZABO, A. T. V-leaf marking in a Trifolium ambiguum Bieb. germplasm collection. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, [S. l.], v. 17, n. 1, p. 77–84, 1987. DOI: 10.15835/nbha171236. Disponível em: https://notulaebotanicae.ro/index.php/nbha/article/view/236. Acesso em: 12 jan. 2026.