]> AMES barcode-02152994 Guyana Cuyuni-Mazaruni Pakaraima Mts., Mazaruni River above ABC Falls. Along stream and extended line between Mazaruni River and Ayangaik Mtn. Pleurothallis bivalvis Lindley Lindley 2020-03-16 20:19:55 K. M. Redden M. Lyle, R. Williams, C. Perry & C. Paul