Hieracium mexicanum Less. in Linnaea 5: 133. 1830 sec. Pruski & Robinson 2018
- =Hieracium niveopappum Fr., Symb. Hist. Hieraciorum: 139. 1848 syn. sec. The Plant List 2013
- =Hieracium praemorsiforme Sch. Bip. in Bonplandia (Hannover) 9(21): 327. 1861 syn. sec. The Plant List 2013
- =Hieracium comaticeps S.F. Blake in Contr. U.S. Natl. Herb. 22(8): 659-660. 1924 syn. sec. The Plant List 2013