• Monograph of Orbea and Ballyanthus (Apocynaceae-Asclepiadoideae-Ceropegieae) Systematic Botany Monographs 63 Pages 158 - 160. (co.zw)
  • 2016. Cynanchum (Apocynaceae: Asclepiadoideae): a pantropical Asclepiadoid genus revisited. (ntu.edu.tw)
  • The genera Cynanchum and Vincetoxicum (Apocynaceae-Asclepiadoideae) in Malesia. (ntu.edu.tw)
  • Meve U., Liede, S. 2002 A molecular phylogeny and generic rearrangement of the stapelioid Ceropegieae (Apocynaceae-Asclepiadoideae). (ntu.edu.tw)
  • Meve U., Liede, S. 2004 Subtribal division of Ceropegieae (Apocynaceae-Asclepiadoideae). (ntu.edu.tw)
  • Families of angiosperms at DOV are arranged alphabetically and generally follow the publication of Vascular Plant Families and Genera compiled by R.K. Brummitt (Royal Botanic Gardens, Kew, 1992), except for the inclusion of Asclepiadaceae in Apocynaceae, Guttiferae in Clusiaceae, and the recognition of Nartheciaceae and Tofieldiaceae apart from Liliaceae. (desu.edu)
  • Asclepiadaceae Illustrated Handbook of Succulent Plants Springer-Verlag Page 202. (co.zw)
  • Apocynaceae , also known as Frangipani family, is a family of flowering plants, shrubs, vines and tress from many tropical regions of the world. (thelovelyplants.com)
  • ek, P. 2017 A revised, phylogenetically-based concept of Ceropegia (Apocynaceae). (ntu.edu.tw)
  • Kambale S.S., Yadav, S.R. 2019 Taxonomic revision of Ceropegia (Apocynaceae: Ceropegieae) in India. (ntu.edu.tw)
  • Asclepiadaceae) Kirkia 10(1) Page 291. (co.zw)