Pedzisa mutsara unotevera: Dunhu reViengxay idunhu ("muang") reHouaphanh Province kuchamhembe kwakadziva kumabvazuva kweLaos. Inogara kumapako eViengxay, iyo Nam Et National Biodiversity Conservation Area, uye gomo rePhou Pha Thi, nzvimbo ye
Hondo Yakavanzika Hondo yeLima Nzvimbo 85 (LS-85) 11 March 1968.