As classified in WFO snapshot
December 2023
Warning: older classification
subspecies
Cynanchum vincetoxicum subsp. contiguum
(W.D.J.Koch) Briq.
This subspecies name was first published in Prodr. Fl. Corse 3(2): 63. 1955 (1955)
This subspecies name has been reclassified since this snapshot. Its current preferred usage is a synonym .