WATSON, J. M.; FLORES, A. R. Upping their number, addressing their risk. <em>Viola singularis</em> (Violaceae) revisited, and an evaluation of sect. <em>Andinium</em>, its higher taxonomic group. Phytotaxa, [S. l.], v. 177, n. 3, p. 177–182, 2014. DOI: 10.11646/phytotaxa.177.3.6. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.177.3.6. Acesso em: 19 mar. 2025.