scale bar = 1cm.

Variegated Thistle - introduced (*Silybum marianum)

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Family: Asteraceae (Daisy family).

Native of Europe, Asia and Africa.

Occurrence: A widespread and common thistle.


Variegated Thistle is a noxious weed and is listed as Regionally Restricted in central Victoria.

It grows vigorously and may completely smother other plants. It is usually an annual. The stout stems and variegated leaves makes this a distinctive thistle.

Photos: 1: Flower with spiny bracts. Loddon River, Vaughan.
2: Group of Variegated Thistles. West side of Mt Tarrengower. 3: Flower. Forest Creek..

imgimg 4: Dense cover of Variegated Thistle. Wallacetown. 5: The leafy base. The leaves are green with white veins. Barnadown Bridge.