This name is a synonym of Begonia hirtella Link.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 361133) with original publication details: Mém. Soc. Phys. Genève 7: 295 1836.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:104314-1.
This name was in version 1 of The Plant List, record kew-361133.