⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-19094, and has not been changed.
This name is a synonym of Hieracium umbrosum subsp. tenuissimum .
The record derives from TICA which reports it as a synonym (record 87DD0AE9-F507-4F8C-8857-23429756F624
) with original publication details: "Prain, Index Kew., Suppl. 4. 1913." 122 1913.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:224086-1
.