Pilosella echioides subsp. procera (Fr.) P. D. Sell & C. West in Notes Roy. Bot. Gard. Edinburgh 33: 432. 1975
Pilosella echioides subsp. procera in Notes Roy. Bot. Gard. Edinburgh 33: 432. 1975
is new combination for Hieracium procerum in Nova Acta Regiae Soc. Sci. Upsal. 14: 43. 1848
Pilosella echioides subsp. procera in Notes Roy. Bot. Gard. Edinburgh 33: 432. 1975