Hieracium leiopogon subsp. leiopogon Hieracium leiopogon subsp. hyposericum Hieracium leiopogon subsp. flahaultianum Hieracium leiopogon subsp. gariodianum Hieracium leiopogon subsp. iolai Hieracium leiopogon subsp. chabertianum Hieracium leiopogon subsp. coquozianum Hieracium leiopogon subsp. fauconnetii
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024