Centaurea hanrii Jord. (original description)
Centaurea leucophaea Jord. (original description)
Centaurea lugdunensis Jord. accepted as Cyanus lugdunensis (Jord.) Fourr. (original description)
Centaurea polycephala Jord. accepted as Centaurea paniculata subsp. polycephala (Jord.) Nyman (original description)
Centaurea rigidula Jord. accepted as Centaurea paniculata subsp. rigidula (Jord.) Dostál (original description)
Centaurea semidecurrens Jord. accepted as Cyanus semi-decurrens (Jord.) Holub (original description)
Sonchus glaucescens Jord. accepted as Sonchus asper subsp. glaucescens (Jord.) Ball (original description)