⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35187051, with some changes.
This name is a synonym of Southbya hyalina .
The record derives from Tropicos which reports it as a synonym (record 35187051
) with original publication details: Nat. Hist. Azores 319 319 1870.