There are over 100 species of declared plants in South Australia. Download the brochure "Declared plans of South Australia - are they on your land?" (580kb) for 56 plants that may be more commonly encountered or are newly emerging threats.
Some identification notes have been supplied from Biosecurity SA.
Invasive cacti *new*
Invasive cacti are a serious threat to biodiversity and agricultural systems within rangeland regions. The key features listed may assist you to identify these prickly invaders.
Download Invasive Cacti - a prickly problem poster (1.8mb)
Aquatic weeds
Aquatic weeds are relatively uncommon in South Australia. You can help us keep it that way by familiarising yourself with their appearance and reporting their presence. See 20 species that may be encountered or are newly emerging threats in the
"Aquatic weeds of South Australia - Can you recognise them?" brochure (420kb)
Plants banned from sale in South Australia
The plants listed in the link below are recognised as serious weeds and are banned from sale in South Australia pursuant to Section 177 of the Natural Resources Management Act 2004 (refer SA Government Gazette 63: 2018-2060, 30 June 2005 as updated 41: 2927, 2 July 2007; 48: 3619, 14 August 2008; and 58: 3626, 13 August 2009). The link below can help you to associate a plant that may be known by other names with its correct Scientific name.
List of plants banned from sale in South Australia (312kb)
Weed Detection
Weed Detection and Control on Small Farms
Alert Pest factsheets
Current versions of Alert Weed fact sheets (24) have been completed and can be downloaded as PDFs from the following link:
Biosecurity SA Weeds and Pest Animals
Fact sheets for Alert Pests (vertebrates), including a new SA fact sheet for Cane Toads can be found from the following link:
Biosecurity SA Weeds and Pest Animals