Grey mangrove

Per Kew's World Checklist, the grey mangrove is native to the coasts of Saudi Arabia, Oman, the Arabian Gulf states, Yemen (incl. Socotra), Iran, Pakistan, Egypt (incl. Sinai), Sudan, Eritrea, Djibouti, Somalia, Kenya, Tanzania, Mozambique, South Africa, Madagascar, Comoros and Seychelles; in Asia to India, Sri Lanka, Bangladesh, Myanmar, Thailand, Vietnam, southern China, Taiwan, Japan (Nansei-shoto), the Philippines, Malaysia, Indonesia and New Guinea; and to Australia, New Zealand, New Caledonia, Vanuatu and the Solomon Islands. It is introduced in California (USA).

The grey mangrove has the widest range in its genus—native from eastern Africa to southern Asia, Indian and Pacific Ocean islands and Australia—and is the world's southernmost mangrove; it grows on Saudi Arabia's Red Sea coast.