More Info
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Opuntioid cacti are declared Weeds of National Significance (WONS). Twenty-eight species of Opuntioid cacti are known to have become naturalised in Australia (see Weeds Of National Significance Strategic Plan Opuntioid cacti 2012 to 2017 below). This includes 2 species of Austrocylindropuntia, 8 species of Cylindropuntia and 18 species of Opuntia.
Other cacti weed species that have been declared include Harrisia cactus (Harrisia martini). Weed declarations under state biosecurity legislation vary from state to state and in some cases within states. In Victoria pest assessment has been done on leaf cactus (Pereskia aculeata). The succulent plant mother of millions (Bryophyllum spp.) has been declared in several states.
Current state weed listings
No cacti weeds have been declared in Tasmania.
Where to report sightings
Species distribution
Other cacti weed species that have been declared include Harrisia cactus (Harrisia martini). Weed declarations under state biosecurity legislation vary from state to state and in some cases within states. In Victoria pest assessment has been done on leaf cactus (Pereskia aculeata). The succulent plant mother of millions (Bryophyllum spp.) has been declared in several states.
Current state weed listings
- ACT: Weeds http://www.environment.act.gov.au/parks-conservation/plants-and-animals/Biosecurity/weeds#invasive
- NSW: NSW Weed Wise http://weeds.dpi.nsw.gov.au/
- Northern Territory: Declared weeds https://nt.gov.au/environment/weeds/declared-weeds
- Queensland: Invasive Plants https://www.business.qld.gov.au/industries/farms-fishing-forestry/agriculture/land-management/health-pests-weeds-diseases/weeds-diseases/invasive-plants
- South Australia: Weeds In South Australia http://www.pir.sa.gov.au/biosecurity/weeds_and_pest_animals/weeds_in_sa
- Western Australia: Declared plants https://www.agric.wa.gov.au/pests-weeds-diseases/weeds/declared-plants
- Victoria: Victoria's consolidated lists of declared noxious weeds and pest animals http://agriculture.vic.gov.au/agriculture/pests-diseases-and-weeds/protecting-victoria-from-pest-animals-and-weeds/legislation-policy-and-permits/declared-noxious-weeds-and-pest-animals-in-victoria
No cacti weeds have been declared in Tasmania.
Where to report sightings
- ACT: contact Access Canberra on 13 22 81
- NSW: contact Biosecurity NSW on 1800 084 881
- Northern Territory: contact the Weed Management Branch on (08) 8999 4567
- Queensland: contact Biosecurity Queensland on 13 25 23
- South Australia: Contact NRM Biosecurity on (08) 8303 9620, or your local NRM group.
- Western Australia: contact Primary Industries and Regional Development on 1800 084 881
- Victoria: Victorian Agriculture on 13 61 86
Species distribution
Somewhat less challenging to use is the Atlas of Living Australia, which is the reference database for the Australasian Virtual Herbarium. Go to Start exploring, then Explore your area, to see what organisms have been recorded within a given radius of a selected point.
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The Australasian Virtual Herbarium can look a bit daunting to the uninitiated, but it is a treasure trove of information. The spatial search function is particularly useful for finding out what has been recorded for a particular part of the country. You can also do far more technical searches once you get the hang of it.
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