Information of the foliage for identification to species please, especially the base of the leaves at the ground and upwards, ' and the overview of the whole foliage habit.
Trevor Preston . Okay . Dianella genus – a species of – it is then. I'll verify this sighting at the genus rank – which is fine if you're fine.
You well may sight this population of plants again and photograph or note the whole plants' diagnostic features, then we can update the identification with that new sighting .