Caustis deserti

{{Short description|Species of grass-like plant}}

{{Speciesbox

|name = Desert twig-rush

|image =

|status =P3

|status_system = DECF

|genus = Caustis

|species = deserti

|authority = R.L.Barrett

}}

Caustis deserti, commonly known as desert twig-rush, is a sedge that is native to a small area in the Goldfields-Esperance region of Western Australia to the east of Kalgoorlie.{{FloraBase|name=Caustis deserti|id=45743}}