Weeds

Saffron Thistle is a yellow to cream flowered, spiny, and slightly hairy to woolly, annual thistle that flowers in spring and summer and...

Sow Thistle is an erect, hairless, branched plant about 1000 mm tall with sprays of yellow, thistle type

Spiny Burrgrass is a purple/red, tufted annual grass to 600 mm diameter with upward bending stems, up to 800 mm

Spiny Emex, also known as Doublegee, Prickly Jacks, Three Cornered Jack or Cathead, is a serious weed in crops and

A summer annual with a prostrate, mat forming and creeping growth habit. It has small oval leaves with a reddish spot in the centre...

Common names: nettle, nettle leaf, burn nettle, burn weed, burn hazel or stinger. Perennial plant 1 to 2 m (3 to

A summer annual grassy weed with a aggressive spreading growth habit. Summergrass leaves are of a green-yellow colour...

The Thornapple weed competes strongly with summer crops in many areas of the world. It was introduced into Australia in the 1800’s. It is the most ...

Variegated thistle, blessed milkthistle, milkthistle (Silybum marianum) is a declared pest in Western Australia (WA). This article describes...

A perennial low-growing leguminous dicot with an aggressive creeping growth habit. The characteristic green,

Wild oats have a large ligule with no auricles and the leaves tend to be hairy with a slight bluish hue. The emerging leaf is rolled. The seedling...

Rapistrum or Wild Turnip has a rosette of large lobed, stalked, often bristly leaves. It is an annual to biennial plant