Identifikasi khamir dari putik ceiba pentandra (L.) gaertn dan saluran pencernaan lebah pengumpul polen, apis mellifera L. berdasarkan data sequence daerah ITS rDNA = Identification of yeasts from the pistils of ceiba pentandra (L.) gaertn and digestive tracts of pollen collecting bee, apis mellifera L. based on ITS region of rDNA sequence data