sentences:  These include kikuyu grass, bracken, blackberry, nasturtium, Taylorina and arum lily.Conservation groups are trying to restore the area starting with the old tip site which has been cleared and re-planted with several natives such as bluegums, Albany woolly-bushes and kangaroo paws.Around 20,000 years ago the sea level was about lower than present and the coastline was about from the lake's current shoreline.