]> A barcode-01979511 Guatemala Petén Cerro Ceibal (Sierra Mojada, Chorro Ceibal, or Cerro San Martín), between mouth of Río Santa Mónica and mouth of Río San Martín, on left side of Río Cancuen (west side of river going downstream) Piper auritum Kunth Kunth 2019-05-01 14:00:16 J. A. Steyermark