⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2654606, with some changes.

Asclepias asperula var. decumbens (Nutt.) Shinners is a synonym of Asclepias asperula subsp. capricornu (Woodson) Woodson

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Field & Lab. 22: 58 1954.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:21145-2.