Anarthria scabra is an herbaceous plant found in Southwest Australia.

The form is sedge- or rush-like, with groups of flowers that present a brown and yellow inflorescence; this appears around August to December, the height of this robust plant is 0.35 to 1.5 metres.

The perennial leaves emerge from a rhizomatous base, usually long and sedge-like these are typically hairless with an entire margin.

The distribution range is coastal and sub coastal habitat from the Swan Coastal Plain, south of Perth, to the increasingly arid Esperance Plains.

[1][2] The plant was first described by Robert Brown in 1810.