Hieracium cirritum subsp. rhenifontis Hieracium cirritum subsp. pravum Hieracium cirritum subsp. cirritum Hieracium cirritum subsp. pseudocirritum Hieracium cirritum subsp. elisum Hieracium cirritum subsp. hypochaerideum Hieracium cirritum subsp. tenellum Hieracium cirritum subsp. hypochoeridiforme Hieracium cirritum subsp. permirum Hieracium cirritum subsp. amphiglaucum Hieracium cirritum subsp. brentanum Hieracium cirritum subsp. trichopsis Hieracium cirritum subsp. pseudocochleare Hieracium cirritum subsp. biceps
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024