Datacentre Maintenance

This application will be unavailable intermittently during the period indicated while we apply important upgrades to some network datacentre equipment.

The outage began at 7:00pm on Thursday, 28 July 2016 (AWST) and continues until 11:00pm on Thursday, 28 July 2016 (AWST).

Silybum marianum (L.) Gaertn. Variegated Thistle
Fruct.Sem.Pl. 2:378 (1791)

Conservation Code: Not threatened
Naturalised Status: Alien to Western Australia
Name Status: Current

Brief Description
Amanda Spooner, Wednesday 18 June 1997

Erect, robust, spiny annual or biennial, herb, 0.3-1.2 m high. Fl. purple, Oct to Dec. Sandy & loamy soils. Weed of waste places & pastures.


Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.

IBRA Subregions: Avon Wheatbelt P1, Geraldton Hills, Perth, Southern Jarrah Forest, Warren, Western Mallee.

IMCRA Regions: WA South Coast.

Local Government Areas (LGAs): Albany, Boyup Brook, Bridgetown-Greenbushes, Bunbury, Chapman Valley, Dardanup, Denmark, Donnybrook-Balingup, Harvey, Kellerberrin, Kondinin, Manjimup, Stirling.