This name is a synonym of Begonia humilis Aiton.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 361780) with original publication details: Bull. Herb. Boissier II, 1: 315 1901.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:30602-2.
This name was in version 1 of The Plant List, record kew-361780.