yellow devil hawkweed
Hieracium x floribundum Wimmer & Grab. [caespitosum x lactucella]


Hieracium x floribundum is a perennial herbaceous plant in the sunflower family that ranges from 10-36 in. (25-91 cm) tall. The single stem contains a milky sap and has long sparsely scattered bristles. H. x floribundum is native to temperate Asia and Europe.
Most of the leaves are basal and range from 1.5-5 in. (3.8-12.7 cm) long. The leaf blades are spatula shaped and pilose.
There can be up to 30 flowers per plant. The small flowers are held in a loose corymb. The yellow ray flowers resemble small dandelions and bloom from June to August.
The dandelion like seeds have a plume of bristles to aid in dispersal by wind. H. x floribundum also spreads vegetatively by stolons.
Ecological Threat
H. x floribundum outcompetes native species by producing mats of rosettes. It and invades native meadows, prairies, pastures, fields, roadsides and lawns. H. x floribundum prefers sunny locations.


EDDMapS Distribution

EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit

State Regulated List

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Asterales
Family: Asteraceae
Genus: Hieracium
Subject: Hieracium x floribundum Wimmer & Grab. [caespitosum x lactucella]

Synonyms and Other Names

Related Scientific Names:
Hieracium auricula L. p.p. (Synonym)


Plants - Forbs/Herbs