⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2667599, with some changes.
This name is a synonym of Bacopa paraguariensis subsp. congesta .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. Herb. Boissier II, 4: 289 1904.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:28297-2
.