Hieracium umbrosum subsp. pseudofastigiatum Hieracium umbrosum subsp. abietinum Hieracium umbrosum subsp. catagraphum Hieracium umbrosum subsp. subexilentiforme Hieracium umbrosum subsp. crepidifolium Hieracium umbrosum subsp. praealpinum Hieracium umbrosum subsp. vipetinum Hieracium umbrosum subsp. tenuissimum Hieracium umbrosum subsp. porimense Hieracium umbrosum subsp. umbrosum Hieracium umbrosum subsp. albinum Hieracium umbrosum subsp. oleicolor Hieracium umbrosum subsp. corsicola Hieracium umbrosum subsp. acrotephrophorum Hieracium umbrosum subsp. garbellanum Hieracium umbrosum subsp. mindinoicum Hieracium umbrosum subsp. subexilentum Hieracium umbrosum subsp. visaillense Hieracium umbrosum subsp. wimmeriforme
Hieracium subalpinum subsp. subalpinum Hieracium subalpinum Hieracium divisum subsp. umbrosum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024