Hieracium procerum Fr. in Nova Acta Regiae Soc. Sci. Upsal. 14: 43. 1848
Hieracium procerum in Nova Acta Regiae Soc. Sci. Upsal. 14: 43. 1848
is basionym for Pilosella echioides subsp. procera in Notes Roy. Bot. Gard. Edinburgh 33: 432. 1975
is basionym for Pilosella procera in Flora 45: 431. 1862
is basionym for Hieracium echioides subsp. procerum in Bot. J. Linn. Soc. 71: 259. 1976
Hieracium procerum in Nova Acta Regiae Soc. Sci. Upsal. 14: 43. 1848