This name is a synonym of Rhodiola rosea var. microphylla (Fröd.) S.H. Fu.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8903759) with original publication details: Oesterr. Bot. Z. 87: 120 1938.
This name was in version 1 of The Plant List, record tro-8903759.