⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) 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 Oligoron longifolium in version 1.1 of The Plant List.

Oligoron longifolium (Michx.) Raf. is a synonym of Asclepias longifolia Michx.

This name is a synonym of Asclepias longifolia Michx..

The record derives from Tropicos which reports it as a synonym (record 2601901) with original publication details: New Fl. 4: 60 60 1836.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:99877-1.