1.
Coursetia (Leguminosae) from Eastern Brazil: Nuclear Ribosomal and Chloroplast DNA Sequence Analysis Reveal the Monophyly of Three Caatinga-Inhabiting Species
by Queiroz, Luciano Paganucci de
Systematic botany, 2011-01, Vol.36 (1), p.69-79

2.
Phylogeny of Robinioid Legumes (Fabaceae) Revisited: Coursetia and Gliricidia Recircumscribed, and a Biogeographical Appraisal of the Caribbean Endemics
by Lavin, M
Systematic botany, 2003-04-01, Vol.28 (2), p.387-409
