]> AMES barcode-02173275 Guyana Cuyuni-Mazaruni Region. Ataro River, landing below falls at Wayalayeng Village Myoxanthus simplicicaulis (C. Schweinfurth) Luer (C. Schweinfurth) Luer 2020-03-27 16:26:08 H. D. Clarke C. Perry, E. Tripp, S. Stern & D. Gittens