Ranunculus bulbosus subsp. castellanus (Freyn) P. W. Ball & Heywood in Feddes Repert. Spec. Nov. Regni Veg. 66: 151. 1962
Ranunculus bulbosus subsp. castellanus in Feddes Repert. Spec. Nov. Regni Veg. 66: 151. 1962
is new combination for Ranunculus castellanus in Willkomm & Lange, Prodr. Fl. Hispan. 3: 932. 1880
Ranunculus bulbosus subsp. castellanus in Feddes Repert. Spec. Nov. Regni Veg. 66: 151. 1962