Martin Willis / Spinifex Grass (Spinifex sp) in desert, Kata Tjuta, Australia

Colin Monteath/ Hedgehog House / Spinifex Grass (Spinifex sp) on sand dune with footprints, Simpson Desert, Northern Territory, Australia

Martin Willis / Spinifex Grass (Spinifex sp) in desert, Kata Tjuta, Australia

Robin Chittenden / Orange swift moth (Triodia sylvina) Norfolk, England, UK. August

Konrad Wothe / Spinifex Grass (Triodia pungens) seedling in red sand showing track made by wind, Strzelecki Desert, South Australia, Australia

Frederique Olivier / Red sand desert, with Spinifex grass (Spinifex longifolius) and other vegetation growing after rain, Exmouth Peninsula, Western Australia. May 2014.

Frederique Olivier / Red sand desert, with Spinifex grass (Spinifex longifolius) and other vegetation growing after rain, Exmouth Peninsula, Western Australia. May 2014.

Robert Valentic / Triodia hummock grassland in the Simpson desert, SW Queensland, Australia

Konrad Wothe / Spinifex Grass (Triodia pungens) growing in Strzelecki Desert, southern Australia

Konrad Wothe / Spinifex Grass (Triodia pungens) on sand dune, Strzelecki Desert, southern Australia

Gerry Ellis / Spinifex Grass (Spinifex sp) and stone garden in Geike Gorge National Park, Western Australia

Gerry Ellis / Spinifex Grass (Spinifex sp) growing in desert, arid western and central Australia