It is highly invasive and spreads rapidly because it: It is particularly prevalent along the Great Dividing Range in areas such as the Blue Mountains, Barrington Tops, Kosciuszko National Park and the Central and Southern Tablelands. In New South Wales large areas of native vegetation have become infested with the weed. Plants usually have numerous straight young branches which gives the weed its common name. It occurs mainly in cool temperate regions, at high altitudes or along the edges of watercourses. Scotch broom ( Cytisus scoparius) is a large shrub, up to 4 metres, with bright yellow flowers. These three broom species are widespread across southern Australia, where they invade native vegetation and agricultural lands forming dense infestations that cause significant environmental and economic impacts.
Scotch broom ( Cytisus scoparius), Montpellier broom or Cape broom ( Genista monspessulana) and flax-leaf broom ( Genista linifolia) were collectively listed as Weeds of National Significance in 2012. Several species of broom have been introduced to Australia and have become widespread invasive weeds in the southern states. Broom plants are a type of pea that have been cultivated for their ornamental features. The common broom, also called Scotch broom or English broom ( Cytisus scoparius) is a perennial shrub native to western and central Europe. Infestations are found in NSW, including alpine and subalpine areas.
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