Wall hawkweed

Hieracium murorum

Wall hawkweed reproduces largely through apomixis, forming viable seeds without fertilization, which creates genetically identical clones of the parent plant.

Scientific name
Hieracium murorum
Taxonomy
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae › Hieracium
IUCN Red List status
Least Concern
Population trend
stable
Biome
forest
Habitat
Open deciduous and coniferous woodlands, forest clearings, rocky slopes, old stone walls, and dry meadows
Diet
Autotroph
Range
Europe, Western Asia, Caucasus, North America (introduced)
Size
Stem height 20–60 cm; leaf rosette 10–25 cm wide
Lifespan
3–10 yr
Active
diurnal
Threats
Habitat loss from dense canopy closure, urban development, and outcompetition by invasive plants in parts of its native range
Safe to approach?
Harmless. Wall hawkweed possesses no thorns, stinging hairs, or dangerous toxins. Handling the plant is safe, though its milky latex sap may cause mild skin or eye irritation in sensitive individuals; wash exposed skin with water if contact occurs.

Hieracium murorum , wall hawkweed is a species of flowering plant in the sunflower family. It is native to Europe and naturalized in some of the colder regions of North America.

Photo: Tom Norton, CC-BY, via iNaturalist

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