sentence: subspecies are m. a. stuarti , western and central thailand m. a. invisa , northern thailand m. a. orientalis , southeast thailand and indo-china m. a. duvaucelii , malaysia , sumatra , and the lowlands of borneo m. a. gigantorhina , nias islands , west sumatra m. a. tanamassa , batu islands , west sumatra m. a. cyanea , mt. kinabalu , north borneo m. a. australis , the nominate java subspecies m. a. hebereri , bali ripley 's m. a. eximia , north borneo , is now usually split as the bornean barbet , m. eximia .