Hieracium vacillans Norrl. in Acta Soc. Fauna Fl. Fenn. 3(4): 57. 1888
Hieracium vacillans in Acta Soc. Fauna Fl. Fenn. 3(4): 57. 1888
is basionym for Hieracium ambiguum subsp. vacillans in Engler, Pflanzenr. 82: 1350. 1923
Hieracium vacillans in Acta Soc. Fauna Fl. Fenn. 3(4): 57. 1888