A family of about 15 genera and about 60 species, pantropic; one genus occurs naturally in Australia.
Josephinia - A genus of four species centred mainly in Australia but also occurring in Malesia; three species occur naturally in Australia. Backer (1951).
Backer, C.A. (1951). Pedaliaceae. In 'Flora Malesiana.' Ser. 1, Vol. 4, (P. Noordhoff Ltd: Groningen.), pp. 216-221.
Bentham, G. (1869). Flora Australiensis 4: 557.
Wheeler, J.R. 1992. Pedaliaceae. Flora of the Kimberley Region. : 855-856.