 "D. binata" occurs naturally in Australia, primarily in coastal areas from Fraser Island in Queensland, southwards down through New South Wales and Victoria to Tasmania and the south-east corner of South Australia.The range of this species extends to New Zealand where it is common below an elevation of 1000 metres, being found in both the North and South Islands, Stewart Island/Rakiura and farther afield on the Chathams.Some populations go dormant in the winter, while others are truly tropical.