⚠ Version 1 of The Plant List has been superseded.

This name record (from WCSP (in review)) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Asclepias quadrifolia in version 1.1 of The Plant List.

Asclepias quadrifolia var. lanceolata Alph.Wood is a synonym of Asclepias quadrifolia Jacq.

This name is a synonym of Asclepias quadrifolia Jacq..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Class-book Bot. ed. 2b: 592 1861.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:21275-2.