The species has a more extensive distribution as shown on ALA. There is records as far south as Melbourne, west to Adelaide and east to Bullio in NSW. https://bie.ala.org.au/species/https://biodiversity.org.au/afd/taxa/85e6a110-149d-422a-9095-d71fe41a04cc#overview
Not sure why it is uploading the images upside down - I tried to rotate them in the edit function, but it added that i suggested that it was Indigofera (?) which it definitely isn't - it is broom - deleted and readded and it still uploaded upside down. Apologies!