Hieracium spathulatum subsp. spathulatum Hieracium spathulatum subsp. spathulatiforme Hieracium spathulatum subsp. ilergabonum Hieracium spathulatum subsp. albacetum
Hieracium aitanicum Hieracium castellicola Hieracium laniferum subsp. spathulatum Hieracium castellanum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024