Pest Weeds

Restricted A - B

Pest – Common and Scientific Names	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)	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)	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 – Common and Scientific Names	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)	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)	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)	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 – Common and Scientific Names	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)	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)	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)	3	Impediment to native species and stock, competes with pasture.	Common throughout	B. Containment & reduction	Moderate

Restricted W - Z

Pest – Common and Scientific Names	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)	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)	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)

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)	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