A family of about 12 genera and 400 species, cosmopolitan, particularly well developed in the Mediterranean region and western and central Asia; three genera occur naturally in Australia.
Plumbago - A genus of about 10-12 species, pantropic; one species occurs naturally in Australia. Steenis (1949).
Steenis, C.G.G.J. van (1949). Plumbaginaceae. In 'Flora Malesiana.' Ser. 1, Vol. 4, (P. Noordhoff Ltd: Groningen.), pp. 105-112.