Hieracium obornyanum subsp. nadravicum Hieracium obornyanum subsp. valdeciliatum Hieracium obornyanum subsp. polymastix Pilosella obornyana subsp. polymastix Hieracium obornyanum Hieracium polymastix Pilosella obornyana subsp. subtatrensis Hieracium ciliatum Pilosella obornyana Hieracium leopoliense Pilosella obornyana subsp. obornyana Hieracium obornyanum subsp. obornyanum Hieracium obornyanum subsp. leopoliense
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024