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
Flag of the Governor-General of New Zealand in the centre of the Southern Cross." Succeeding Governors found it convenient to use this flag on shore and it became accepted as the official viceregal flag. In 1907 New Zealand's status was officially transformed from self-governing colony to Dominion. To mark the transition to independence, the New Zealand Government recommended that the garland of laurels on the Governor’s flag should be replaced by one of fern leaves; the fern leaf was already recognised as one of New Zealand's national symbols. In a letter of 5 January 1908 the Governor requested that the garland around the badge on his flag