yellow-devil
(Pilosella floribunda)
This species is Introduced in the United States
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.
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.
Maps
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 www.eddmaps.org
State Lists - This map identifies those states that have this species on their invasive species list or law.
Invasive Listing Sources
Taxonomic Rank
| Domain: Eukarya |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Superorder: Asteranae |
| Order: Asterales |
| Family: Asteraceae |
| Subfamily: Cichorioideae |
| Tribe: Cichorieae |
| Genus: Pilosella |
| Pilosella floribunda |