Rhaptostylum flexuosum Heisteria crassifolia Heisteria flexuosa Heisteria krukovii Heisteria micrantha Heisteria vageleri Heisteria surinamensis Rhaptostylum ovatum Heisteria rubricalyx Heisteria subsessilis Heisteria surinamensis
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024