yellow devil hawkweed USDA PLANTS Symbol: HIFL3
U.S. Nativity: Exotic
Habit: Forbs/Herbs
Hieracium x floribundum Wimmer & Grab. [caespitosum x lactucella]
Jump to: Distribution Maps | Sources
Taxonomic Rank: Magnoliopsida: Asterales: Asteraceae
Appearance
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.
Foliage
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.
Flowers
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.
Fruit
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:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org 		 


State List
This map identifies those states that list this species on their invasive species list or law.

Invasive Listing Sources:
Pacific Northwest Exotic Pest Plant Council, 1998
West Virginia Native Plant Society, Flora West Virginia Project, and West Virginia Curatorial Database System, September 3, 1999