This name is a synonym of Rhodiola ishidae Hara.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8901743) with original publication details: Trans. Sapporo Nat. Hist. Soc. 8: 3 1921.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:275558-1.
This name was in version 1 of The Plant List, record tro-8901743.