Cynanchum ephedroides (Griseb.) Alain
| ∑Miocene fossil woods from the Columbia basalts of Central Washington. J. Arnold Arb. 42: 165--203. U & E S Barghoorn Prakash (1961) Journal of the Arnold Arboretum 42: 165-203 | |
| A list of Jamaican species of Cynanchum (Asclepiadaceae) W T Stearn (1971) Phytologia 21: 137-138 |