Teles, A.M., Viana, P.L. & Esteves, R.L. (2016)

Taxonomic novelties in Praxelis (Asteraceae, Eupatorieae): a new species and a new combination

. Phytotaxa 278 (1): 48–54. https://doi.org/10.11646/phytotaxa.278.1.5