⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2834948, with some changes.
This name is a synonym of Alternanthera pungens Kunth.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Cat. Hist. Nat. Corrientes 176 1897.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:60659-1.