Scientific name: Dactyloctenium aegyptium
Synonyms: Beach wiregrass, Button grass, Duck grass, Giant button grass, Finger comb grass
Habitat: Cultivated and uncultivated areas, especially sandy soils
Affected crops: Most agricultural crops
DistributionAsia, Australia, Africa, South America, USA
Description: The stem has a spreading, creeping and mat-forming structure. It roots at the lower nodes. The flower head has 2-7 spikelets borne at the tip of the stem. The seed head looks like a crow's foot, hence the name. Each plant may produce up to 60,000 seeds.