Four varieities are known from Australia, but only C. cinereum var. cinereum extends to Victoria. See profile under that name.
Source:
Jeanes, J.A. (1999). Asteraceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 652–666. Inkata Press, Melbourne.
