Trigonospora calcarata ContentDistribution Citation Distribution Asia-Tropical, Ceylon present, Java at 100-1000 m present, Padang highlands present, southern Sumatra presentCeylon and Malesia: throughout Java at 100-1000 m, southern Sumatra and north to Padang Highlands. Citation Backer & Posth. 1939: Varenfl. Java: 38 Racib. 1898 – In: Fl. Btzg: 170 v.A.v.R. 1908: Handb.: 185