This name is a synonym of Riccardia tamariscina (Stephani) Schiffner.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35204300) with original publication details: Hedwigia 32: 27 1893.
This name was in version 1 of The Plant List, record tro-35204300, and has not been changed.