Weed Identification

Australia > NSW > NSW North Coast (IBRA) > Plant Form - Tree

Click on a plant on the list below for detailed information on that weed or click the approximate flower colour on the colour bar to further refine your selection.

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Significant weeds known to occur, or with the potential to occur, in the region you have selected include the following 38 trees.

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African olive
    Olea europaea subspecies cuspidata

Black Willow
    Salix nigra

Black locust
    Robinia pseudoacacia

Box Elder
    Acer negundo

Broad-Leaved Pepper Tree
    Schinus terebinthifolius

Broad-Leaved Privet
    Ligustrum lucidum

Broom (Cytisus spp.)
    Cytisus spp.

Broom (Genista spp.)
    Genista spp.

Calodendron
    Salix xcalodendron

Camphor Laurel
    Cinnamomum camphora

Chilean Pencil Willow
    Salix humboldtiana 'Pyramidalis '

Chinese Celtis
    Celtis sinensis

Coastal tea tree
    Leptospermum laevigatum

Crack Willow
    Salix fragilis

Golden Willow
    Salix alba var. vitellina

Grey Sallow
    Salix cinerea

Guava
    Psidium guajava and P. guineense

Hawthorn
    Crataegus monogyna

Honey Locust Tree
    Gleditsia triacanthos

Karoo Thorn
    Acacia karroo

Leucaena
    Leucaena leucocephala

Loblolly Pine
    Pinus taeda

New Zealand Hybrid Willow
    Salix matsudana xSalix alba hybrids

Parkinsonia
    Parkinsonia aculeata

Paulownia
    Paulownia tomentosa

Pepper tree
    Schinus areira = Schinus molle var. areira

Pond Apple
    Annona glabra

Queen Palm, Cocos Palm
    Syagrus romanzoffiana

Reichardtii
    Salix xreichardtii

Small-Leaved Privet
    Ligustrum sinense

Sweet pittosporum
    Pittosporum undulatum

Sydney golden wattle
    Acacia longifolia

Tortured Willow
    Salix matsudana 'Tortuosa'

Tree-of-Heaven
    Ailanthus altissima

Weeping Willow
    Salix babylonica

White Crack Willow
    Salix xrubens

White Willow
    Salix alba var. alba

White cedar
    Melia azedarach

      1 - 10 of 38 brief descriptions - Click on a plant image or name for a comprehensive description.


African olive - Olea europaea subspecies cuspidata

A locally common weed of roadsides, neglected land and stream banks. African Olive produces fruit that are usually smaller and less fleshy than those of plants cultivated for edible olives and olive oil.... more


Black Willow - Salix nigra

Introduced to Australia for soil stabilisation in 1962. Male and female trees common. Viable seeds are freely produced. Major invasive woody weed of streams and stream banks. Like Grey Sallow (Salix cinerea), Black Willow has the pot... more


Black locust - Robinia pseudoacacia

Robinia is a small genus of about twenty species of trees and large shrubs usually with spines on the branches. Leaves have many leaflets giving a fine tracery when viewed upwards. Sweetly perfumed, white pea-like flowers borne in tr... more


Box Elder - Acer negundo

Widely planted as an ornamental. Fast growing tree that invades bushland, particularly along watercourses. Now a major riparian weed of a few streams in temperate zones and has the potential to spread to many similar areas.... more


Broad-Leaved Pepper Tree - Schinus terebinthifolius

Widely planted as an ornamental and now naturalised in subtropical areas in Australia. Common in south eastern Queensland, increasing in north eastern NSW and common along the Swan River estuary in WA. This species is particularly invasive ... more


Broad-Leaved Privet - Ligustrum lucidum

Was cultivated in 1857 at Camden Park, probably as a hedge plant. Now a widespread weed of coastal bush and wasteland; also extending to the western slopes of NSW and adjacent areas in Old. Pollen of this plant is spread by insects and is u... more


Broom (Cytisus spp.) - Cytisus spp.

The genus Cytisus contains 33 species of evergreen or deciduous shrubs or small trees without thorns. Scotch broom, Cytisus scoparius, and its different forms are the most commonly planted species. Shrub or small tree growing ... more


Broom (Genista spp.) - Genista spp.

Both genera Cytisus and Genista are similar in appearance and have the same common name. Genista contains 90 species of shrubs or small trees often deciduous or appearing evergreen due to green flattened branches. They ... more


Calodendron - Salix xcalodendron

Parents are thought to be Salix caprea, Salix cinerea and Salix viminalis. Salix ×calodendron has characteristics of all three species. This hybrid is probably the most effective species to plant for erosion cont... more


Camphor Laurel - Cinnamomum camphora

Common park and shade tree. Now extensively naturalised and in some localities a major problem of grazing land, disturbed rainforest and urban bushland. Especially invasive of stream banks, reducing light and crowding out other species. In ... more

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