This name is a synonym of Rosa caesia .
The record derives from RJP (data supplied on ) which reports it as a synonym (record 11136) with original publication details: ; 1950 118 1950.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:733088-1
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This name record (from RJP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Rosa lazarenkoi in version 1 of The Plant List.