 This includes 37 species from the Poaceae, or true grass family, and nine introduced weeds.The most inland occurrence of mangroves in Australia is an isolated stand of grey mangroves in the eastern lake of the marsh, 60 km inland from Eighty-mile Beach.A new species of bush tomato, "Solanum oligandrum", known only from the Mandora Marsh area, was first described in 2001.