A family of 11 genera and 170 species with a world-wide distribution; three genera occur naturally in Australia, one genus introduced.

Aphananthe - A genus of five species in Madagascar, Asia, Malesia, Australia, the Solomon Islands and Mexico; one species occurs naturally in Australia. Hewson (1989).

Celtis - A genus of about 60 species, pantropic and also in temperate regions; four species occur naturally in Australia. Hewson (1989); Soepadmo (1977); Sattarian & Maesen (2005).

Trema - A genus of about 15 species, cosmopolitan; four species occur naturally in Australia. Hewson (1989); Soepadmo (1977).

Hewson, H.J. (1989). Ulmaceae. In 'Flora of Australia.' 3, pp. 4-13, 190.

Pearce, R.D. in George, A.S. (Ed) (1989), Cannabaceae. Flora of Australia 3: 15.

Sattarian, A. & Maesen, L.J.G. van der. (2005). Two new species of Celtis (Celtidaceae) from Australia & Madagascar. Blumea 50: 499-503.

Soepadmo, E. (1977). Ulmaceae. In 'Flora Malesiana.' Ser. 1, Vol. 8, (Sijthoff & Noordhoff International Publishers: Alphen Aan Den Rijn.), pp. 31-76.