Hieracium approximatum Jord., 1848 Hieracium approximatum Jord., 1848is blocking name for Hieracium leptophyton subsp. approximatum Rehmann in Verh. K. K. Zool.-Bot. Ges. Wien 45: 343. 1895Taxon for this nameHieracium approximatum Jord., Cat. Graines Jard. Dijon 1848: 20. 1848