Echium asperrimum M. Bieb., Fl. Taur.-Cauc. 1: 135. 1808
Echium asperrimum, Fl. Taur.-Cauc. 1: 135. 1808
is new combination for Echium italicum var. biebersteinii in J. Linn. Soc., Bot. 44: 408. 1919
is replaced synonym for Echium italicum var. biebersteinii in J. Linn. Soc., Bot. 44: 408. 1919
non Echium asperrimum, Tabl. Encycl. 1: 412. 1792
Echium asperrimum, Fl. Taur.-Cauc. 1: 135. 1808