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Weeds Watch List

Overview

These are the weeds to look out for in the Southern Highlands. If you think you see one of these, try and take a photo and upload it to the SHNM, so we can determine if it is the species and then Council can take steps to verify the sighting and take action to control it.

There are plants listed here that may become a problem given the changes we are experiencing with climate change. 

Page 1 of 50 species

Alternanthera philoxeroides (Alligator Weed)

Alternanthera philoxeroides
Alternanthera philoxeroides
Alternanthera philoxeroides
Alternanthera philoxeroides
Alternanthera philoxeroides
Alternanthera philoxeroides

http://weeds.dpi.nsw.gov.au/Weeds/Details/7 http://keyserver.lucidcentral.org/weeds/data/media/Html/alternanthera_philoxeroides.htm... Continue reading

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Andropogon gayanus (Gamba Grass)

Gamba grass is a prohibited matter. It is a tall tropical grass. It forms dense patches that out-compete native species. It is a Weed of National Significance. Gamba grass is tropical species that grows in dense stands up to 4 m high.... Continue reading

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Arundo donax (Elephant Grass)

Arundo donax
Arundo donax
Arundo donax
Arundo donax
Arundo donax
Arundo donax

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Asparagus africanus (Climbing Asparagus)

This plant is a weed of national significance. Climbing asparagus has the potential to invade a wide range of coastal and sub-coastal plant communities from Cape York to northern New South Wales, but has been recorded as far south as Sydney. It strongly competes with native ground cover and unders... Continue reading

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Asparagus asparagoides (Bridal Creeper, Florist's Smilax)

Asparagus asparagoides
Asparagus asparagoides
Asparagus asparagoides
Asparagus asparagoides
Asparagus asparagoides
Asparagus asparagoides

http://weeds.dpi.nsw.gov.au/Weeds/Details/22 http://keyserver.lucidcentral.org/weeds/data/media/Html/asparagus_asparagoides.htm... Continue reading

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Asparagus declinatus (Bridal Veil Creeper)

Bridal veil creeper is a fern-like scrambler or low-climber originally introduced as an ornamental plant. It is an environmental weed that can quickly dominate surrounding vegetation. This is a prohibited matter - if you see this plant report it. Call the NSW DPI Biosecurity Helpline 1800 680 244... Continue reading

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Asparagus plumosus (Climbing Asparagus Fern, Ferny Asparagus)

Asparagus plumosus Jackie Miles
Asparagus plumosus

General biosecurity duty with additional restrictions all NSW. Noxious weed Vic. http://weeds.dpi.nsw.gov.au/Weeds/Details/40... Continue reading

This plant is on the national environmental alert list. Chinese violet is a rapidly growing perennial creeper. It is a potentially serious environmental and agricultural weed in Australia as it can completely smother other vegetation, removing habitat, and reducing biodiversity and productivity. Th... Continue reading

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This is a weed of national significance.Cane cactus, native to the Ecuador highlands, has naturalised in a few isolated areas in inland central New South Wales. It is a potential weed of grasslands, shrublands and open woodlands, particularly in semi-arid regions.... Continue reading

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Baccharis halimifolia (Groundsel Bush)

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This plant is a weed of national significance. This is a water weed that is found on the NSW far north coast. It is highly invasive so please report it immediately if seen.... Continue reading

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Celtis sinensis (Chinese Celtis)

Chinese celtis is an invasive tree. It is a garden escape that has invaded bushland areas of north-coastal regions of NSW. Chinese celtis is a large, invasive tree that has become an environmental weed and a potential weed of agriculture because of its ability to become structurally dominant. It ra... Continue reading

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Centaurea X moncktonii (Black Knapweed)

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Chrysanthemoides monilifera subsp. monilifera Jackie Miles
Chrysanthemoides monilifera subsp. monilifera Jackie Miles
Chrysanthemoides monilifera subsp. monilifera Jackie Miles, seedling
Chrysanthemoides monilifera subsp. monilifera
Chrysanthemoides monilifera subsp. monilifera
Chrysanthemoides monilifera subsp. monilifera

Weed of National Significance. General biosecurity duty with additional restrictions all NSW. Noxious weed Vic. http://weeds.dpi.nsw.gov.au/Weeds/Details/21... Continue reading

Bitou Bush is an invasive shrub.... Continue reading

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Boxing glove cactus, regarded as an environmental weed, can injure people and animals with its sharp thorns, reduce livestock access to pastures and displace native plant species.... Continue reading

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Cylindropuntia pallida (Hudson Pear )

Cylindropuntia pallida
Cylindropuntia pallida

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Dipogon lignosus (Dipogon, Dolichos Pea)

Dipogon lignosus Jackie Miles
Dipogon lignosus Jackie Miles, Merimbula
Dipogon lignosus Jackie Miles, seedlings
Dipogon lignosus
Dipogon lignosus
Dipogon lignosus

General biosecurity duty. http://weeds.dpi.nsw.gov.au/Weeds/Details/204... Continue reading

Dolichandra unguis-cati (Cat's Claw Creeper)

This is a weed of national significance.Cat's claw creeper was introduced to Australia as a garden plant, and has escaped to become a major weed of native forests and riparian areas in eastern Australia. Its climbing woody stems (lianas) cling to tree trunks, enabling it to grow into the forest cano... Continue reading

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Eichhornia crassipes (Water Hyacinth )

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