This name is a synonym of Malva pusilla Sm..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 19603557) with original publication details: Bot. Mater. Gerb. Glavn. Bot. Sada R.S.F.S.R. 2: 173 1921.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:561742-1.
This name was in version 1 of The Plant List, record tro-19603557, and has not been changed.