Dianella admixta
Dianella admixta, also known as the Black-anther lily or Spreading flax-lily or Black-anther flax lily, is a species of Dianella native to South-eastern Australia. It was once considered to be a subspecies or variety of Dianella revoluta. D. admixta is a dense tufted perennial that typically grows to a height of  and a width of  and spreads by underground stems. It produces small blue flowers that bloom from August to May. It's berries and seeds are considered edible. References

Dianella
Asparagales of Australia