Hieracium arolae subsp. luteopallens Hieracium arolae subsp. macrocalathium Hieracium arolae subsp. feursteinii Hieracium arolae subsp. arolae Hieracium arolae subsp. rhoeadifolioides
Hieracium murrianum subsp. arolae
World Flora Online, accessed June 20, 2024