Echium biebersteinii (Lacaita) Dobrocz. in Fedorov, Fl. Evr. Casti SSSR 5: 138. 1981
Echium biebersteinii in Fedorov, Fl. Evr. Casti SSSR 5: 138. 1981
is new combination for Echium italicum var. biebersteinii in J. Linn. Soc., Bot. 44: 408. 1919
Echium biebersteinii in Fedorov, Fl. Evr. Casti SSSR 5: 138. 1981