11. They may also be found in coastal dune vegetation. 12. ""'Acanthocarpus preissii " "'is a rhizomatous perennial that occurs on coastal dunes in Western Australia. 13. It can be found on coastal dunes and limestone. 14. The conservation park covers of coastal dunes , containing a lake and areas of Mallee scrub. 15. Stable coastal dunes and sandhills are structures created by dune-building plants such as cottonwood trees. 16. It is occasionally used with Marram grass and " Chrysanthemoides monilifera " to stabilise coastal dunes . 17. Coastal dunes feature scrub-heath communities, though banksia low woodlands occur on the soils of coastal dunes . 18. Eroded sediment from a nearby mountain range later mixed with coastal dune and sand bar deposits. 19. Coastal dunes feature scrub-heath communities, though banksia low woodlands occur on the soils of coastal dunes.20. It is endemic to Western Australia where it occurs on coastal dunes and in limestone areas.