For Caesalpinia
Gagnon, E., A. Bruneau, C.E. Hughes, L. Paganucci de Quieroz, and G.P. Lewis. 2016. A new generic system for the pantropical Caesalpinia group (Leguminosae). PhytoKeys 71: 1-160. Google Scholar
Sotuyo, S. 2023a. Caesalpinia. P. 51. In Flora of North America Editorial Committee. 2023a. Flora of North America north of Mexico. Volume 11.1, Magnoliophyta: Fabaceae, part 1. Oxford Univ. Press, New York, NY. 541 pp. Google Scholar