Hieracium kuekenthalianum subsp. trichothecum Hieracium kuekenthalianum subsp. inexpertum Hieracium kuekenthalianum subsp. brachypogon Hieracium kuekenthalianum subsp. trivialiforme
Hieracium bocconei subsp. kuekenthalianum Hieracium tephrosoma subsp. kuekenthalianum Hieracium pseudocorconticum
World Flora Online, accessed June 20, 2024