]> AMES barcode-01943423 Guyana Cuyuni-Mazaruni Region. Mt. Maringma, southern escarpment, Arabaru River. Ponthieva ovatilabia C. Schweinfurth C. Schweinfurth 2020-02-14 20:00:11 H. D. Clarke, C. Perry, E. A. Tripp, S. Stern & D. Gittens