Hieracium heterogynum subsp. heterogynum Hieracium heterogynum subsp. substupposum Hieracium heterogynum subsp. crepidifolium Hieracium heterogynum subsp. pachychaetium Hieracium heterogynum subsp. eriopodum Hieracium heterogynum subsp. nivisquamum Hieracium heterogynum subsp. ueskuebiense
Hieracium stupposum Hieracium glaucum var. stupeum Hieracium saxatile var. stupeum Crepis heterogyna Hieracium saxatile var. stupposum Hieracium stuppeum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024