⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-61415, 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 E669A7FB-19FA-4CE1-9EE5-A65BE316F5CA
) with original publication details: "Zahn, in Engler, Pflanzenr. 77. 1921." 792 1921.