Hieracium nigricarinum subsp. cavengii Zahn in Schinz & Keller, Excursionsfl. Schweiz, ed. 3, 2: 381. 1914
Hieracium nigricarinum subsp. cavengii in Schinz & Keller, Excursionsfl. Schweiz, ed. 3, 2: 381. 1914
Taxon for this nameHieracium nigricarinum subsp. cavengii in Schinz & Keller, Excursionsfl. Schweiz, ed. 3, 2: 381. 1914