]> GH barcode-01979767 Guatemala San Marcos Tajumulco Volcano, Sierra Madre Mountains about 8-10 km. west of San Marcos Piper epigynium C. de Candolle C. de Candolle 2019-05-02 14:45:05 L. O. Williams, A. Molina R., T. P. Williams, D. N. Gibson & C. Laskowski