Weeds that have been declared to be Class 4 plants are defined as being locally controlled weeds under the Noxious Weeds Act 1993. This means that the control requirements of Class 4 weeds are explained in Management Plans that are determined by Council.
The Class 4 category means that these plants pose a threat to primary production, the environment or human health and are currently widely distributed throughout the Tamworth region. These plants still have the ability to spread further in this region and to other areas.
Tamworth Regional Council has produced Class 4 Management Plans for the following plants:
- African boxthorn, Lycium ferocissimum
- Bathurst/Noogoora/Californian/Cockle burrs, Xanthium spp.
- Blackberry, Rubus fruticosus agg. spp.
- Chilean needle grass, Nassella neesiana Galenia, Galenia pubescens
- Golden dodder, Cuscata spp.
- Harrisia cactus, Harrisia spp.
- Lippia, Phyla spp.
- Mother of millions, Bryophyllum spp.
- Nodding thistle, Carduus nutans
- Perennial ragweed, Ambrosia psilostachya
- Prickly pear, Cylindropuntia spp.and Opuntia spp.
- St John's wort, Hypericum perforatum
- Scotch/English broom, Cytisus scoparius
- Scotch/Illyrian/Stemless/Taurian thistle, Onopordum spp.
- Sweet briar, Rosa rubiginosa