queen-devil hawkweed
Hieracium glomeratum Froel.


Hieracium glomeratum is a perennial herbaceous plant in the sunflower family. The rounded leafless stems contain a milky sap and range from 12-27.6 in. (30-70 cm) tall. H. glomeratum is native to Europe.
The leaves have very short simple hairs, which give the leaves and the lower part of stems a soft-lanuginose (downy/wooly) appearance. Leaves have somewhat numerous stellate hairs on the upper surface of leaves. Leaves are oblong-spatulate to lanceolate and up to about 7 in. (18 cm) long.
The small flower heads are often held in an umbel. The yellow ray flowers resemble dandelions.
The dandelion like seeds H. glomeratum of have long hairs to aid in dispersal by wind.
Ecological Threat
H. glomeratum outcompetes native species and invades along roadsides, forest clearings, open fields, pastures and other disturbed sites.


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 www.eddmaps.org

State Regulated List

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

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Asterales
Family: Asteraceae
Genus: Hieracium
Subject: Hieracium glomeratum Froel.


Plants - Forbs/Herbs