''Pilosella flagellaris'' (

synonym A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...

''Hieracium flagellare'') is a European plant species in the tribe

Cichorieae The Cichorieae (also called Lactuceae) are a tribe in the plant family Asteraceae that includes 93 genera, more than 1,600 sexually reproductive species and more than 7,000 Apomixis, apomictic species. They are found primarily in temperate region ...

within the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

. It is native to Europe but naturalized in scattered locations in the United States and Canada.Biota of North America Program 2004 county distribution map
/ref> ''Pilosella flagellaris'' is a small herb up to tall, with leaves mostly in a rosette at the bottom. Leaves are up to long, with no teeth on the edges. One stalk will produce 2-4 flower heads in a flat-topped array. Each head has 90–120 yellow ray flowers but no disc flowers.Flora of North America, ''Hieracium flagellare'' Willdenow, 1814.
/ref>

References

flagellaris Flora of Europe Plants described in 1814 {{Cichorieae-stub