Pilosella flagellaris

Pilosella flagellaris (synonym Hieracium flagellare^[1]) is a European plant species in the tribe Cichorieae within the family Asteraceae. It is native to Europe but naturalized in scattered locations in the United States and Canada.^[1][2]

Pilosella flagellaris
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Pilosella
Species:	P. flagellaris
Binomial name
Pilosella flagellaris (Willd.) Arv.-Touv.
Synonyms[1]
Hieracium chrysophthalmum Norrl. Hieracium flagellare Willd. Hieracium homostegium Norrl. Hieracium inceptans Norrl. Hieracium niankoviense Rehmann Hieracium petunnikovii (Peter) Üksip Hieracium prognatum Norrl. Hieracium tatrense (Nägeli & Peter) Üksip

Pilosella flagellaris is a small herb up to 20 cm (7.9 in) tall, with leaves mostly in a rosette at the bottom. Leaves are up to 130 mm (5.1 in) 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.^[3]