de Paula-Souza, J., & Ballard, Jr., H. E. (2014). Re-establishment of the name <em>Pombalia</em>, and new combinations from the polyphyletic <em>Hybanthus</em> (Violaceae).
Phytotaxa
,
183
(1), 1–15. https://doi.org/10.11646/phytotaxa.183.1.1