]> AMES barcode-02173768 Guyana Cuyuni-Mazaruni Wayalayeng Village, Falls of the Ataro River above first escarpment of Mount Maringma. Octomeria exigua C. Schweinfurth C. Schweinfurth 2020-04-02 09:50:12 H. D. Clarke C. Perry, E. Tripp, S. Stern & D. Gittens