Craspedia glauca
Craspedia glauca, commonly known as billy buttons, is an erect annual or perennial herb endemic to Tasmania. It is usually an annual herb with pale green leaves in a rosette and yellow button-like flowers on a tall stem.

Description
Craspedia glauca is an annual or perennial herb of varying form and habitat, mostly with yellow "button" flowers on a tall stem  high. The lower leaves are green, oblong to oblong-lance shaped,  long,  wide, narrowing gradually and forming a rosette at the base of the stem.

References

Gnaphalieae
Flora of Australia
Plants described in 1826