Hieracium jaccardii Zahn in Dörfler, Herb. Norm., Sched. Cent. 31-40: 186. 1898
Hieracium jaccardii in Dörfler, Herb. Norm., Sched. Cent. 31-40: 186. 1898
is basionym for Hieracium vulgatum subsp. jaccardii in Neue Denkschr. Allg. Schweiz. Ges. Gesammten Naturwiss. 40: 401. 1906
is basionym for Hieracium lachenalii subsp. jaccardii in Hegi, Ill. Fl. Mitt.-Eur. 6: 1281. 1929
Hieracium jaccardii in Dörfler, Herb. Norm., Sched. Cent. 31-40: 186. 1898