Actinoschoenus quadricostatus

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

{{Speciesbox

|name=Four-ribbed actinoschoenus

|image=

|status=P1

|status_system=DECF

|genus=Actinoschoenus

|species=quadricostatus

|authority=Rye, R.L.Barrett & M.D.Barrett

}}

Actinoschoenus quadricostatus, commonly known as four-ribbed actinoschoenus, is a sedge in the sedge family, Cyperaceae, that is native to Western Australia. It is found in a small area in the Kimberley region.{{FloraBase|name=Actinoschoenus quadricostatus|id=45737}}