Piper gymnostachyum Piper siassiense Piper zamboangae Chavica hainana Chavica sarmentosa Piper baronii Piper saigonense Piper brevicaule Piper lolot Piper pierrei Piper hainana Piper albispicum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024