SZABO, A. T. Observations regarding the spreading and variability of Microrrhinum species in Romania. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, [S. l.], v. 13, n. 1, p. 39–44, 1983. DOI: 10.15835/nbha131170. Disponível em: https://notulaebotanicae.ro/index.php/nbha/article/view/170. Acesso em: 2 dec. 2022.