This name is a synonym of Riccardia nadeaudii (Stephani) Hürl..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35200328) with original publication details: Sp. Hepat. 1: 260 1899.
This name was in version 1 of The Plant List, record tro-35200328, and has not been changed.