⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-68729, with some changes.
This name is a synonym of Pilosella frigidaria (Nägeli & Peter) Soják.
The record derives from TICA which reports it as a synonym (record D38883CD-90B4-4156-8E41-E1096DBFAEA3) with original publication details: "Käser & Zahn in Engler, Pflanzenr. 82. 1923." 1472 1923.