Hieracium hybridiforme Zahn in Schinz & Keller, Fl. Schweiz, ed. 2, 2: 265. 1905
Hieracium hybridiforme in Schinz & Keller, Fl. Schweiz, ed. 2, 2: 265. 1905
is basionym for Pilosella hybridiformis in Folia Geobot. Phytotax. 6: 219. 1971
Hieracium hybridiforme in Schinz & Keller, Fl. Schweiz, ed. 2, 2: 265. 1905