Hieracium amaureilema Hieracium lactucella subsp. magnauricula Hieracium auricula var. magnauricula Hieracium lactucella subsp. acutisquamum Hieracium lactucella subsp. melaneilema Hieracium lactucella subsp. lampreilema Pilosella lactucella subsp. melanocalathia Hieracium lactucella subsp. beverianum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024