Mysore raspberry

Also known as White blackberry or Hill raspberry, Mysore raspberry is originally from India and South-East Asia. It forms dense, impenetrable thickets and has become invasive in some areas where it has been introduced, including Hawaii and the Galapagos Islands. It is a Class 3 noxious weed around the North Coast region. Mysore raspberry is a large scrambling shrub, 3-4.5 metres high, with sharp, hooked thorns. Its leaves are hairy and made up of from five leaflets to nine leaflets, 2.5-6 cm long, with toothed edges. The upper side is dark green while the underside is white Pink or mauve […]

Cecropia

Cecropia are rapidly growing trees originating from tropical America. They are pioneer species that can quickly establish in disturbed areas and have become weeds in South America, Malaysia and Africa. In the past, Cecropia species (including Cecropia peltata) have been imported into Australia for private plant collections, but all known plants have been destroyed due to their invasive potential. They are listed as Class 2 noxious weeds across the North Coast region. They are a rapidly growing tree, usually 10-20 metres tall, but can reach up to 25 metres. The plants can be distinguished by the large U-shaped leaf scars […]

 

Cockspur coral tree

Cockspur coral tree (also known as Cocks comb coral tree) is a deciduous shrub or tree from South America. Originating from northern Argentina, eastern Brazil, Bolivia, Paraguay and Uruguay, it can grow to 10 metres. It has been commonly grown in Australia as an ornamental plant and has become invasive along waterways in coastal NSW north of Sydney. It is gazetted as a Class 3 noxious weed in the Bellingen, Nambucca, Coffs Harbour and Clarence Valley local-government areas and as a Class 4 noxious weed on the Far North Coast. It usually grows to between five metres and eight metres […]

prickly pear 

Prickly pear

Prickly pear is an erect shrub, growing to about one metre (rarely to two metres) high. True leaves are shed early and stem segments are often incorrectly referred to as leaves. Fruit are egg-shaped with a depressed top. They are purple when ripe and edible. Seeds are pale brown, to five millimetes long. Lower segments of the stem may be thickened and trunk-forming on older plants while flattened upper segments are up to 40 cm long and up to 25 cm wide. Yellow flowers are about six centimetres wide, mostly on the margins of the fleshy segments and occur in […]

 

Mother of millions

Mother of millions is a native of Africa and Madagascar and was introduced to Australia as a garden plant. It is a serious weed on the coast and the north-west slopes and plains of New South Wales. Consequently, it is a declared noxious weed in these areas. This perennial herb is a smooth, fleshy, succulent plant growing to one metre or more in height. It is distinguished by erect, simple, cylindrical stems. Leaves are about 2 cm-15 cm long and succulent, without a stalk. They are pale grey to speckled brown with dark green patches and a shallow groove on the […]

 

Blackberry

Blackberry is a perennial shrub, with arching, entangling stems arising from a woody crown; forming thickets up to several metres high. Canes can be arched or trailing, up to seven metres long. They are green or purplish/red, smooth or moderately hairy, round or angled, with many curved or straight prickles of different sizes. Leaves are compound with three or five oval leaflets, which are usually dark-green above and lighter green beneath, with small teeth around the edges. Flowers are 2 cm to 3 cm, growing in clusters on the side of branches. They have five sepals and five white or […]

groundsel bush 

Groundsel bush

Groundsel bush is an environmental weed and a forestry weed because it readily invades forests and bushland. It is a densely-branched shrub, usually between 1.5 metres and three metres high, although it sometimes grows into a small tree up to seven metres high. Its small branches are striated and hairless. Groundsel has wedge-shaped leaves, usually with a few large teeth towards the apex. They are up to about 5 cm long and up to 4 cm wide on a stalk to 1.5 cm long. Leaves are dull green or pale green, waxy to touch and alternate. Stems are green at […]

 

Crofton weed

Crofton weed is a rapid-spreading weed that has become a nuisance in many areas along the eastern coast of Australia. It is particularly invasive on cleared land that is not grazed, such as public reserves, and causes particular problems for horse owners. A member of the Asteraceae or daisy family, Crofton weed is a native of Mexico. It is present as a weed in India, Sri Lanka, the Canary Islands, Jamaica, mainland United States, Hawaii, Fiji, New Zealand and Australia. Since its escape from ornamental cultivation in Australia about 1900, it has become widespread in Queensland coastal areas, on the […]

 

Chilean needle grass

Chilean needle grass, named for its long, pointed seeds, is a perennial tussock forming grass which grows in dense clumps to one metre high. It is closely related to serrated tussock (Nassella trichotoma) and is a Weed of National Significance (WoNS). Chilean needle grass affects sown pasture and native grasslands of south-eastern Australia. It is relatively unpalatable and reduces farm productivity by displacing more desirable pasture species. Heavy infestations can decrease productivity by as much as 50 per cent during summer. It also injures stock and downgrades wool, skins and hides with its long, sharp seeds. Chilean needle grass is […]