Hieracium caesium subsp. psammogenes Hieracium psammogenes subsp. leucolepidum Hieracium ammobium Hieracium subincisum subsp. leucolepidum Hieracium subincisum subsp. psammogenes Hieracium psammogenes Hieracium psammogenes subsp. psammogenes
World Flora Online, accessed June 20, 2024