Alexitoxicon intermedium Alexitoxicon maeoticum Alexitoxicon minus Antitoxicum intermedium Antitoxicum maeoticum Antitoxicum minus Vincetoxicum intermedium Vincetoxicum pisidicum Vincetoxicum alpinum Vincetoxicum urumoffii Cynanchum kuznetzowii Cynanchum minus Cynanchum urumoffii Vincetoxicum minus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024