Hieracium lachenalii subsp. jaccardii (Zahn) Zahn in Hegi, Ill. Fl. Mitt.-Eur. 6: 1281. 1929
Hieracium lachenalii subsp. jaccardii in Hegi, Ill. Fl. Mitt.-Eur. 6: 1281. 1929
is new combination for Hieracium jaccardii in Dörfler, Herb. Norm., Sched. Cent. 31-40: 186. 1898
Hieracium lachenalii subsp. jaccardii in Hegi, Ill. Fl. Mitt.-Eur. 6: 1281. 1929