Types of Weeds & Definitions

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Local Priority Weeds

Eradicate and Prevent The Spread of New Weeds

Common Name	Scientific Name
Angels Trumpet	Maurandya barclayana
Kei Apple	Dovyalis caffra
Kudzu	Pueraria lobata
Long Leaf Water Primrose	Ludwigia longifolia
Peruvian Water Primrose	Ludwigia peruviana
African Olive	Olea europaea subsp. cuspidata
Boneseed	Chrysanthemoides monilifera subsp. monilifera
Cat’s Claw Creeper	Dolichandra unguiscati
Climbing Asparagus	Asparagus plumosus
Gorse	Ulex europaeus
Green Cestrum	Cestrum parqui
Italian buckthorn	Rhamnus alaternus
Pampas Grass	Cortaderia selloana
Salvinia	Salvinia molesta
Sagittaria	Sagittaria platyphylla
Serrated Tussock	Nassella trichotoma
Water Hyacinth	Eichhornia crassipes
African daisy	Osteospermum species
Alligator weed	Alternanthera philoxeroides
Blackberry	Rubus fruticosus species aggregate
Box elder	Acer negundo
Camphor Laurel	Cinnamomum camphora
Coolatai Grass	Hyparrhenia hirta
Cotoneaster	Cotoneaster glaucophyllus
Fireweed	Senecio madagascariensis
Honey Locust	Gleditsia triacanthos
Japanese Honeysuckle	Lonicera japonica
Lantana	Lantana camara
Madeira Vine	Anredera cordifolia

Prevention (Whole of Region)

Eradication (Whole of Region)

Containment

Common Name	Scientific Name
African olive	Olea europaea subsp. Cuspidata
Asparagus fern	Asparagus virgatus
Black willow	Salix nigra

Asset Protection

Common Name	Scientific Name
Alligator weed	Alternanthera philoxeroides
Cat’s claw creeper	Dolichandra unguis-cati
Cabomba	Cabomba caroliniana

Prevention

Eradication

Common Name	Scientific Name
Boneseed	Chrysanthemoides monilifera subsp. monilifera
Parkinsonia	Parkinsonia aculeata
Tropical soda apple	Solanum viarum

Eradication And/Or Containment

Common Name	Scientific Name
Water hyacinth	Eichhornia crassipes
Alligator weed	Alternanthera philoxeroides
Bitou bush	Chrysanthemoides monilifera subsp. Rotundata

Containment And/Or Asset Protection

Common Name	Scientific Name
African boxthorn	Lycium ferocissimum
Asparagus weeds	Various species of Asparagus
Athel pine	Tamarix aphylla

Biosecurity Definitions

Term	Abbreviation	Definition
Biosecurity		Protecting the economy, environment, and community from the negative impacts of pests, diseases, and weeds.
Biosecurity Duty		Any person who deals with any plant, who knows (or ought to know) of any biosecurity risk, has a duty to ensure the risk is prevented, eliminated, or minimised, so far as is reasonably practicable.
Containment		Preventing the spread of weed species beyond a predefined area and reducing the impact where it occurs.
Eradication		To permanently remove a weed species and its propagules from an area.
Prevention		To prevent a weed species from arriving and establishing in an area.

Chemical Definitions

Term	Abbreviation	Definition
Residual		The term 'residual' applies to a number of herbicides that have a long-lasting activity in the soil. These herbicides are often applied directly to the soil prior to planting crops, pre-emergent.
With holding periods	WHP	A WHP is the minimum length of time that must elapse between the last application of an agricultural chemical to a crop and the harvest, sale, or use of the agricultural produce to which the chemical was applied.
Adjuvant		Any component that improves the characteristics of a formulation or mixture of sprays, like drift reduction additives, surfactants, etc.
Surfactants		A surfactant (aka a surface-active agent) is a substance that, when added to a liquid, reduces its surface tension, thereby increasing its spreading and wetting properties.
Non-selective Herbicide		A term used for a substance that shows practically no discrimination and has a wide spectrum of action.
Selective Herbicide		A herbicide that kills certain plants only and leaves the others unharmed.