Carduus candicans subsp. cylindricus (Borbás) Hayek in Repert. Spec. Nov. Regni Veg. Beih. 30(2): 707. 1931
Carduus candicans subsp. cylindricus in Repert. Spec. Nov. Regni Veg. Beih. 30(2): 707. 1931
is new combination for Carduus cylindricus in Természet (Pest) 9: 121. 1877