⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-2600733, with some changes.

Rouliniella columbiana Vail is a synonym of Cynanchum racemosum (Jacq.) Jacq.

This name is a synonym of Cynanchum racemosum (Jacq.) Jacq..

The record derives from Tropicos which reports it as a synonym (record 2600733) with original publication details: Bull. Torrey Bot. Club 29: 664 664 1902.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:222608-2.