Hieracium wolgense Zahn in Spisok Rast. Gerb. Russk. Fl. Bot. Muz. Imp. Akad. Nauk 6: 93. 1908
Hieracium wolgense in Spisok Rast. Gerb. Russk. Fl. Bot. Muz. Imp. Akad. Nauk 6: 93. 1908
is basionym for Pilosella wolgensis in Folia Geobot. Phytotax. 6: 219. 1971
Hieracium wolgense in Spisok Rast. Gerb. Russk. Fl. Bot. Muz. Imp. Akad. Nauk 6: 93. 1908