Szeląg, Z. 2026. Hieracia balcanica XIX. Rediscovery and amended description of Hieracium herculanum stat. nov. (Asteraceae) from Banat in Romania. Phytotaxa. 776, 2 (Sep. 2026), 196–200. DOI:https://doi.org/10.11646/phytotaxa.776.2.7.