Crux of Crux is the distinctive asterism known as the Southern Cross. It has great significance in the cultures of the southern hemisphere, particularly of Australia and New Zealand. "Southern Cross" is a single released by Crosby, Stills and Nash in 1981. It reached #18 on Billboard Hot 100 in late 1982. Several southern countries and organisations have traditionally used Crux as a national or distinctive symbol. The four or five brightest stars of Crux appear, heraldically standardised in various ways, on the flags of Australia, Brazil, New Zealand, Papua New Guinea and Samoa. They also appear on the flags of
2015–16 New Zealand flag referendums (which includes the current national flag), national Māori flag, nor the flags of Associated States (Cook Islands and Niue), nor the New Zealand Red Ensign (merchant marine), White Ensign (naval), (both incorporating Union Flags) police flag and fire service flag (which are based on the current flag). It would also not change New Zealand's status as a constitutional monarchy in the Commonwealth of Nations. If the flag had been changed, it would have been legal to have continued to fly the current flag of New Zealand, which would have been "recognised as a flag of historical significance." Old flags would