Grey mangrove (Avicennia marina), with pneumatophores exposed at low tide, clearly indicating the extent of the plant’s root system. Fraser Island, Queensland, Australia. (Photo by Auscape/UIG via Getty Images)
Grey mangrove (Avicennia marina), with pneumatophores exposed at low tide, clearly indicating the extent of the plant’s root system. Fraser Island, Queensland, Australia. (Photo by Auscape/UIG via Getty Images)