⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2804342, with some changes.
This name is a synonym of Euphrasia arctica subsp. tenuis .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Trudy Bot. Muz. Imp. Akad. Nauk 3: 27 1907.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:802773-1
.