Onopordum acanthium
Family Asteraceae
Species Profile
| Species classification | Invasive [WoNS shortlist (pre-2012); NSW's Noxious Weeds] |
| Common names | Heraldic Thistle, Onopordum Thistle, Scotch Cotton Thistle, Scotch Thistle, Woolly Thistle |
| Synonyms | Information unavailable |
| Longevity | Annual, Biennial |
| Growth form | Herb |
| Seed dispersal morphology | Wing/Achene/Pappus |
| Maximum height (m) | 2 |
| Capable of vegetative reproduction | Yes |
| Native range | Asia, Europe |
| Exotic range (Australia) | ACT, NSW, SA, TAS, VIC, Lord Howe Island |
| Exotic range (other) | North America |
| Habitat types (exotic) | Agricultural land, Pastures |
| Soil type (exotic) | Fertile, Gravel/stony, Well drained |
| Decade of introduction | 1840 |
National Climate Change Impact
Invasive Class 3
The area of suitable habitat and the habitat suitability of observations, for this species, are projected to decrease or remain the same under RCP 8.5 2065 compared to current climate suitability.
Maps of Habitat Suitability & Recorded Occurrences
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Current suitable habitat
2035 suitable habitat
(RCP 8.5)
2065 suitable habitat
(RCP 8.5)
Recorded occurrences
(Australia)
Recorded occurrences
(global)
Images
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Further Information
http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Onopordum~acanthium
http://www.environment.gov.au/cgi-bin/biodiversity/invasive/weeds/weeddetails.pl?taxon_id=82074
http://www.weeds.org.au/cgi-bin/weedident.cgi?tpl=plant.tpl&ibra=all&card=H21
http://www.issg.org/database/species/ecology.asp?si=295&fr=1&sts=sss&lang=EN
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