Region upper Demerara Berbice, Mabura Hill, 230 km. sud de Georgetown, Demerara Timbers Ltd. forest concession, Black Water Creek, près de la pompe d'alimentation en eau
Potaro-Siparuni Region: Iwokrama Foret, old logging roads in forest just east of the junction of Surama road and the Kurupukari-Annai Road, about 80 km southwest of the Essequibo River.
Alford, M.H.|Alford, E.E.|Mahadeo, S.|Haynes, L.|Roopsind, I.
3149
Brazil-British Guyana boundary: Akarai Mountains, on height of land between drainage of Rio Mapuera (Trombetas tributary) and Shodikar Creek (Essequibo tributary)
Region upper Demerara Berbice, Mabura Hill, 230 km. sud de Georgetown, Demerara Timbers Ltd. forest concession, Black Water Creek, près de la pompe d'alimentation en eau