Christ, A.L., Nakajima, J.N. and Ritter, M.R. 2025. Towards a better understanding of the Chromolaena congesta complex (Asteraceae, Eupatorieae): updated synopsis with taxonomic novelties. Phytotaxa. 689, 2 (Feb. 2025), 163–184. DOI:https://doi.org/10.11646/phytotaxa.689.2.1.