⚠ Version 1 of The Plant List has been superseded.

This name record (from TICA) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Hieracium ambiguum in version 1.1 of The Plant List.

Hieracium ambiguum subsp. giganticaule (Zahn) Zahn is a synonym of Pilosella glomerata (Froel.) Fr.

This name is a synonym of Pilosella glomerata (Froel.) Fr..

The record derives from TICA which reports it as a synonym (record 3451D342-1F46-4EC9-8C89-0DD7B6907437) with original publication details: "Zahn in Engler, Pflanzenr. 82. 1923." 1352 1923.