Hieracium arrectum Zahn in Engler, Pflanzenr. 75: 71. 1921
Hieracium arrectum in Engler, Pflanzenr. 75: 71. 1921
non Hieracium arrectum, Fl. Centre France, ed. 3, 2: 394. 1857
has orthographic variant Hieracium nayraeanum
Hieracium arrectum in Engler, Pflanzenr. 75: 71. 1921