St Barnaby's Thistle (Centaurea solstitialis)
Invasiveness Assessment | Impact Assessment | Potential Distribution | Present Distribution
| Scientific name: | Centaurea solstitialis L. |  St Barnaby's Thistle - flower |
Common name: | St Barnaby’s thistle, Yellow star weed | |
Status: | Regionally Controlled in the Wimmera, Goulburn Broken and North East CMAs. Regionally Prohibited in the Glenelg-Hopkins, Corangamite, Port Phillip & Westernport (East and West), West Gippsland and East Gippsland CMAs. Restricted in the Mallee and North Central CMAs. | |
Habitat: | Subhumid temperate regions, occurring in exposed, moderately warm situations and on fertile, drier soils (Parsons and Cuthbertson 1992). It is a weed of neglected areas and roadsides, occasionally invading unimproved grazing land (Parsons and Cuthbertson 1992). Although it grows best in areas with an annual rainfall above 600 mm it also can be troublesome on semi-arid rangelands (Parsons and Cuthbertson 1992). |
 St Barnaby's Thistle - infestation |  St Barnaby's Thistle - plant |
© The State of Victoria, 1996 - 2009.
This document was last reviewed on 04/08/2009