Houstonia triflora Bouvardia bicolor Bouvardia cavanillesii Bouvardia gracilis Bouvardia heterophylla Bouvardia macrantha Bouvardia mutabilis Bouvardia schiedeana Bouvardia triflora Bouvardia versicolor Bouvardia triflora var. hirsuta Aeginetia multiflora Bouvardia versicolor var. graciliflora Hedyotis longiflora Bouvardia versicolor Bouvardia salvadorensis
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024