⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-21049, and has not been changed.
This name is a synonym of Hieracium aphyllum subsp. singulare .
The record derives from TICA which reports it as a synonym (record CC982AF3-A280-4C8A-B91C-26E45F18E740
) with original publication details: "Prain, Index Kew., Suppl. 5. 1921." 130 1921.