Nine species: tropical and subtropical coasts of the Indian Ocean, W Pacific, and Australasia; several species widely introduced elsewhere as tropical lawn grasses; five species in China.

• 9种：印度洋，太平洋西部和澳大拉西亚的热带和亚热带的海岸；作为热带的草坪草地的在别处的数个种广泛引进栽培；中国有5种。