Pest Weeds

Goondiwindi Regional Council's BIOSECURITY PLAN(PDF, 3MB)

Cereus uruguayanus - Willows Cactus information

Restricted A - B

Pest Species Category Level of Impacts/Threats (potential and actual)
(e.g. Environment, Primary Industry, Social, Amenity)
Distribution and Density Achievability or Management Objectives Priority
African boxthorn Lycium ferocissimum

African Boxthorn Fact sheet

Bisecurity Plan Community Objectives (pg17) (PDF 2.64mb)
3 Invades pastures and provides harbourage for pest animals. Most prevalent within 25km of Goondiwindi & Inglewood. B. Containment & reduction High
Annual ragweed Ambrosia artemisiifolia

Annual Ragweed Fact sheet

Bisecurity Plan Community Objectives (pg18) (PDF 2.64mb)
3 Invades weak or overgrazed pastures.

Is highly allergenic, causing asthma and hay fever.
Eradicated from near the Dip Yards at Goondiwindi.

Present at Watson’s Crossing.
A. Intensive Control & Eradication High
Athel pine
Tamarix aphylla

Athel Pine Fact sheet
3 Athol pine form dense stands along inland rivers. Athol pine concentrates and excretes salt, causing the ground beneath it to become salty, excluding salt-sensitive plants. Mainly around homesteads, main entrances to properties and in towns D. Technical Advice Very Low
Balloon vine Cardiospermum grandiflorum

Balloon Vine Fact sheet
3 Balloon vine is a densely-growing, climbing herb. Infestations of this weed smother other plants and prevent them from receiving the sunlight they need to photosynthesise. Along the Dumaresq and Macintyre rivers. Around towns and homesteads. D. Technical Advice Low
Blackberry
Rubus anglocandicans & Rubus fruticosus agg.

Blackberry Fact sheet
3 Invades bushland and pastures reducing grazing capacity.
Forms thickets that provide harbour to pests.
Near Silver Spur, Texas. A. Intensive Control & Eradication Low
Broad-leaved pepper tree Schinus terebinthifolius

Broad-Leaved Pepper Tree Fact sheet
3 Chokes out native plants. Contact with the sap can cause persistent swelling, rashes, welts, running sores, swollen faces, colic and haemorrhages in the eyes.
The pollen can cause respiratory difficulty.
Mainly around homesteads, main entrances to properties and in towns. B. Containment & reduction Very Low

Restricted C - M

Pest Species Category Level of Impacts/Threats (potential and actual)
(e.g. Environment, Primary Industry, Social, Amenity)
Distribution and Density Achievability or Management Objectives Priority
Camphor laurel Cinnamomum camphora

Camphor Laurel Fact sheet
3 Invades native woodlands and riparian zones.

Frequently causes destabilisation of surfaces and drainage in urban areas.
Mainly around homesteads, main entrances to properties and in towns. B. Containment & reduction Very Low
Cat’s claw creeper Macfadyena unguis-cati

Cats Claw Creeper fact sheet
3 Invades waterways and choke out native vegetation Along the Dumaresq and Macintyre rivers.
Around towns and homesteads as ornamental vines.
B. Containment & reduction Low
Chinese celtis Celtis sinensis

Chinese Celtis Fact sheet
3 Forms dense infestations and prevents regeneration of native riparian vegetation.
Destroys habitats of native animals.
Whetstone area. Mainly in towns, around homesteads & properties entrances. B. Containment & reduction Low
Harrisia cactus H.martinii, H.tortuosa,

Harrisia Cactus Fact sheet

Bisecurity Plan Community Objectives (pg21) (PDF 2.64mb)
3 Forms dense, often impenetrable, thorny thickets, restricts stock access to drinking water and makes mustering difficult Wide spread. establish a containment line east of Yelarbon and west of the South Toobeah Road B. Containment & reduction High
Honey locust Gleditsia spp.

Honey Locust Fact sheet

Bisecurity Plan Community Objectives (pg20) (PDF 2.64mb)
3 Invasive tree that smothers pasture and native vegetation, inflicts painful injuries with long spines.

Can rapidly form dense thickets restricting stock, vehicle and human movement.
Near Silver Spur, and within town gardens. A. Intensive Control & Eradication High
Mother-of-millions Bryophyllum delagoense syn. B tubiflorum

Mother of Millions Fact sheet

Bisecurity Plan Community Objectives (pg30) (PDF 2.64mb)
3 Forms dense carpet like stand that prevents favourable plant growth. Plant parts are highly toxic to livestock. Currently found in all parts of the region C. asset protection Strategic control Moderate

Restricted P - V

Pest Species Category Level of Impacts/Threats (potential and actual)
(e.g. Environment, Primary Industry, Social, Amenity)
Distribution and Density Achievability or Management Objectives Priority
Parkinsonia Parkinsonia aculeate

Parkinsonia Fact sheet

Bisecurity Plan Community Objectives (pg23) (PDF 2.64mb)
3 Forms dense, impenetrable, thickets along water courses and bore drains, restricts stock access to drinking water and makes mustering virtually impossible.
Provides a harbour for feral pigs,
Beside the Barwon Hwy near South Callandoon is monitored for germination of seed from the seed bank A. Intensive Control & Eradication High
Parthenium weed Parthenium hysterophorus

Parthenium Fact sheet

Bisecurity Plan Community Objectives (pg24) (PDF 2.64mb)
3 Vigorous species that colonies pasture’s and reduces pasture potential, can cause health problems due to allergic properties, toxic to stock. Nine reported small isolated infestations A. Intensive Control & Eradication High
Prickly pear Opuntia spp

Prickly Pear Fact sheet
3 Completes strongly with pasture. Scattered throughout B. Containment & reduction Low
Privets
Ligustrum lucidum & L. sinense
3 Replaces native vegetation and native animal habitat. Forms thickets in riparian areas. Pollen causes irritation to hay fever and asthma suffers. Around towns and homesteads. D. Technical Advice Very Low
Tiger pear
O. aurantiaca
3 Impediment to native species and stock, competes with pasture. Scattered throughout D. Technical Advice Low
Velvety tree pear O. tomentose

Bisecurity Plan Community Objectives (pg31) (PDF 2.64mb)
3 Impediment to native species and stock, competes with pasture. Common throughout B. Containment & reduction Moderate

Restricted W - Z

Pest Species Category Level of Impacts/Threats (potential and actual)
(e.g. Environment, Primary Industry, Social, Amenity)
Distribution and Density Achievability or Management Objectives Priority
Water hyacinth Eichhornia crassipes

Water Hyacinth Fact sheet

Bisecurity Plan Community Objectives (pg25) (PDF 2.64mb)
3 Chokes waterways, destroys native habitat, increases water loss and depletes water of oxygen. isolated populations in Billa Billa and Yelarbon areas A. Intensive Control & Eradication High
Water lettuce Pistia stratiotes

Water Lettuce Fact sheet


Bisecurity Plan Community Objectives (pg26) (PDF 2.64mb)
3 Forms dense mats on water restricting flow, increase water loss by transpiration and serve as a breeding ground for mosquitoes. Crooked Creek north of Goondiwindi and in the Dumaresq / Macintyre river system. A. Intensive Control & Eradication High
Willows
Salix humboldtiana syn.
S. chilensis & Salix matsudana

Willow Fact sheet
3 Willows invade riverbanks and wetlands, reduces aeration, causes flooding and erosion. Along the Dumaresq and Macintyre rivers. D. Technical Advice Very Low

Locally Declared

Pest Species Category Level of Impacts/Threats (potential and actual)
(e.g. Environment, Primary Industry, Social, Amenity)
Distribution and Density Achievability or Management Objectives Priority
Cereus Cactus

Cereus uruguayanus

Bisecurity Plan Community Objectives (pg19) (PDF 2.64mb)
Locally declared Forms dense, often impenetrable, thorny thickets, restricts stock. Isolated infestation near Inglewood A. Intensive Control & Eradication High

Non-Declared

Pest Species Category Level of Impacts/Threats (potential and actual)
(e.g. Environment, Primary Industry, Social, Amenity)
Distribution and Density Achievability or Management Objectives Priority
African lovegrass Eragrostis curvula

African Lovegrass Fact sheet
Non-declared Produces vast quantities of seeds, making the plant difficult to eradicate. It is extremely competitive with other pasture species and is an aggressive invader. Common and widespread within the region and all neighbouring regions D. Technical Advice Low
Bathurst burr Xanthium spinosum

Bathurst Burr Fact sheet
Non-declared This plant contaminates wool, competes with summer crops, is host to some fungal diseases and has poisonous seedlings which can kill stock animals Scattered throughout C. asset protection Strategic control Low
Coolatai grass Hyparrhenia hirta Non- declared A perennial tussock grass, up to 1.5 m tall. Invades pastures and outcompetes native grasses. Increases fire risk. D. Technical Advice Low
Green cestrum Cestrum parqui Non-declared This plant out-competes vegetation on alluvial flats and is poisonous to livestock. Along the Dumaresq & Macintyre Rivers & gardens. D. Technical Advice Low
Feathertop Rhodes grass Chloris virgata Non-declared Feathertop Rhodes grass is a particularly aggressive invader of bare areas and degraded or disturbed native vegetation, and is a major agricultural weed. Scattered throughout D. Technical Advice Low
Lippia
Phyla canescens
Non-declared Dense carpet-like spread, prevents growth of other riparian vegetation, results in soil erosion, decreases bank stability and degrades the waterways. Throughout low level floodplains. D. Technical Advice Very Low
Mimosa bush Acacia farnesiana

Bisecurity Plan Community Objectives (pg22) (PDF 2.64mb)
Non-declared Competes with native vegetation, can form thickets, harbouring pest animals and hindering stock movement. Scattered throughout A. Intensive Control & Eradication High
Noogoora burr
Xanthium pungens
Non-declared Competes with pasture and summer crops. Burrs contaminate fleeces leading to increased processing costs. Seedlings can be toxic if eaten in sufficient quantities. Scattered throughout C. asset protection Strategic control Low
Paterson’s curse
Echium plantagineum
Non-declared Competes with native and pasture plants. Toxic to livestock, particularly horses and pigs. Scattered throughout D. Technical Advice Very Low
Tree-of-heaven Ailanthus altissima Non-declared Competes with native plants, can form dense thickets. Bark and leaves toxic to animals.
Flowers contaminating water can cause dermatitis and gastritis.
Often found around old homesteads, gullies, rubbish tips and roadsides D. Technical Advice Very Low