]> AMES barcode-02152991 Guyana Potaro-Siparuni Mt. Wokomung, camp at base of first of four escarpments. Pleurothallis bivalvis Lindley Lindley 2020-03-16 20:24:49 H. D. Clarke R. Williams, C. Perry, E. Tripp, J. Kelly, D. Gittens & S. Stern