Lomandra

Lomandra, commonly known as mat rushes, is a genus of perennial, herbaceous monocots in the family Asparagaceae, subfamily Lomandroideae. There are 51 species, all of which are native to Australia; two of them also extend into New Guinea and New Caledonia.

They are generally tufted dioecious perennials with long narrow blade-like leaves that arise from a central stemless base and have thick woody rhizomes and fibrous roots.

Taxonomy
Now in the Asparagaceae, this genus was formerly assigned to the family Dasypogonaceae, Xanthorrhoeaceae, or Liliaceae.

Species
According to Plants of the World Online, there are 64 species recognised :