Lovely pointed oval leaves, sprays of mimosa-like flowers, and eye-catching seed pods make the earleaf acacia (Acacia auriculiformis) a stunning tree. It's not hard to see why plant lovers ...

Almost all these pieces of land seem to be infested with invasive alien vegetation such as Port Jackson (Acacia saligna), rooikrans (Acacia cyclops), wattle, and gum trees, which must either be ...