Cacalia tomentosa var. hybrida Vill., Fl. Delphin.: 171. 1786
Cacalia tomentosa var. hybrida, Fl. Delphin.: 171. 1786
is basionym for Adenostyles hybrida, Prodr. 5: 204. 1836
is basionym for Adenostyles petasites subsp. hybrida, Comp. Fl. Ital.: 337. 1882
is basionym for Adenostyles alliariae subsp. hybrida in Bot. J. Linn. Soc. 67: 282. 1973
Cacalia tomentosa var. hybrida, Fl. Delphin.: 171. 1786