This name is a synonym of Riccardia alcicornis (Hook. f. & Taylor) Trevis..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35191863) with original publication details: Syn. Hepat. 499 1846.
This name was in version 1 of The Plant List, record tro-35191863, and has not been changed.