]> A barcode-00091925 Brazil Amapá (Terr.) On Brazil (Pará) and British Guiana boundary, Akarai Mountains, height of land between drainage of Rio Mapuera (Trombetas tributary) and Shodikar Creek (Essequibo tributary) Arrabidaea nigrescens Sandwith Sandwith 2015-06-18 13:26:04 Albert C. Smith