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