Lomandra longifolia, commonly known as spiny-head mat-rush, spiky-headed mat-rush or basket grass, is a perennial, rhizomatous herb found throughout eastern Australia. The leaves are 40 cm to 80 cm long, and generally have a leaf of about 8 mm to 12 mm wide. It grows in a variety of soil types and is frost, heat and drought tolerant. Labillardiere described Lomandra longifolia from a specimen collected in Tasmania.