This name is a synonym of Gastridium ventricosum (Gouan) Schinz & Thell..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25533883) with original publication details: Observ. Pl. Angers 48 1818.
This name was in version 1 of The Plant List, record tro-25533883, and has not been changed.