Hieracium bifurcum subsp. gypsogenum Bornm. & Zahn in Zahn (1923: 1382).

Ind. loc.: “ Thüringen: am Schlachtberg bei Frankenhausen (Bornmüller)!”

Lectotype (designated here by Gottschlich): — GERMANY. Thuringia: Frankenhausen: auf Gips, am Schlachtberg, 14 June 1916, J. Bornmüller (B barcode B 10 0460423!).—Remaining syntypes: GERMANY. Thuringia: Frankenhausen, Gipsabhänge oberh. der Stadt, 25 June 1922, J. Bornmüller (B barcode B 10 1154387!); cult., August 1922, J. Bornmüller (Frankenhausen, June 1922) (B barcode B 10 1154388!).—Current name: Pilosella bifurca (Bieberstein 1808: 251) Schultz & Schultz Bipontinus (1862: 423) .

Remarks: —Any infraspecific classification within these hybrid complexes should be avoided.