[1]
Guimarães, E.F., Alves, R.J.V., Santos, E.R.D. and Silva, N.G.D. 2021.

Synopsis of the Brazilian genus Symphyllophyton (Gentianaceae) with four new species

. Phytotaxa. 521, 3 (Sep. 2021), 159–176. DOI:https://doi.org/10.11646/phytotaxa.521.3.2.