Guo, Xing; Hoekstra, Paul H.; Tang, Chin Cheung; Thomas, Daniel C.; Wieringa, Jan J.; Chatrou, Lars W.; Saunders, Richard M.K. (22 February 2017). "Cutting up the climbers: Evidence for extensive polyphyly in Friesodielsia (Annonaceae) necessitates generic realignment across the tribe Uvarieae". Taxon. 66 (1): 3–19. doi:10.12705/661.1.