Family: Asteraceae (Daisy family).
Occurrence: Widespread and common in the heathy dry forests. It can flower prolifically after fire.
Lanky Buttons (Leptorhynchos elongatus) has more pronounced bracts at the flower base, and the buds are more conical in shape. It is rare.
Photo 1: Billy Buttons after fire. The Monk. 2-4: Castlemaine.