Weeds

Toad rush is a small, tufted annual rush found throughout Australia, particularly in damp or waterlogged environments. It is common across Western Australia in poorly drained soils, compacted turf, irrigation...

Red-flowered mallow is a low-growing perennial broadleaf weed found throughout Australia, particularly in temperate and coastal regions. It is common across Western Australia in lawns, garden edges, roadsides, and disturbed...

Plantain is a common perennial broadleaf weed found throughout Australia, particularly in lawns, sports fields, parks, and compacted soils. It is widespread across Western Australia and is most noticeable during...

Pigweed is a common annual succulent weed found throughout Australia, particularly in warm climates. It is widespread across Western Australia and is frequently seen in garden beds, lawns, pathways, and...

The hairless (i.e. glabrous) flowering stems (i.e. culms) are slender (1.5-3 mm thick), but somewhat wiry, and are usually not branched. The alternately arranged leaves are very thin (i.e. linear)...

A long-lived tufted grass growing up to 1.5 m tall. Its leaf blades are slightly folded at the base and are usually hairless. Its seed-heads are borne at the tips...

Annual ryegrass (Lolium rigidum) is one of the most serious and costly weeds of annual winter cropping systems in southern Australia. Annual ryegrass is highly competitive and can compete with...

A small, short-lived, herbaceous plant with creeping to semi-upright stems. Its slender stems are often reddish, contain a milky sap, and are softly hairy. Its paired leaves (3-12 mm long)...

This annual grassy weed is tufted and mat-forming and can inhabit a wide range of soils, although its natural habitat is sandy soil and loams. Summergrass can grow to 30...