PAZMANY, D. Contributions to the knowledge of Campylorrhyncha section species from Xanthium genus spreading in Romania. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, [S. l.], v. 7, p. 29–34, 2021. DOI: 10.15835/nbha71155. Disponível em: https://www.notulaebotanicae.ro/index.php/nbha/article/view/155. Acesso em: 16 aug. 2022.