 In the north-western regions Black gidgee ("A. argyrodendron") replaces brigalow in many areas, while in Central-Western districts Boree ("A. tephrina") forms woodlands and shrublands, frequently on cracking clay soils and often in association with "A. cambagei".Georgina gidgee ("A. georginae") woodlands are found in more arid regions in the rainfall belt.In New South Wales it is found from around Roto in the south, to around Hungerford in the east and Willow Tree in the west along the Great Dividing Range.