Rhaponticum scariosum subsp. bicknellii (Briq.) Pignatti in Giorn. Bot. Ital. 111: 57. 1977
Rhaponticum scariosum subsp. bicknellii in Giorn. Bot. Ital. 111: 57. 1977
is new combination for Centaurea rhapontica var. bicknellii, Monogr. Centaurées Alpes Marit.: 56. 1902
Rhaponticum scariosum subsp. bicknellii in Giorn. Bot. Ital. 111: 57. 1977