Senecio dubius Ledeb., Fl. Altaic. 4: 112. 1833 Senecio dubius Ledeb., Fl. Altaic. 4: 112. 1833is replaced synonym for Senecio dubitabilis C. Jeffrey & Y. L. Chen in Kew Bull. 39: 427. 1984non Senecio dubius L. C. Beck, 1833Taxon for this nameSenecio dubius Ledeb., Fl. Altaic. 4: 112. 1833