1998  Zhou & Liengjarern, p.36, Changwat Nakhon Ratchasima, i.e. Khao Nong Hoi, Amphoe Pak Chong),
approximately 150 km NE of Bangkok.
     2004  Zhou & Liengjarern. p.318, fig.1, Khao Nong Hoi, Amphoe Muak Lek, Nakhon Ratchasima; Map 5238 III,
Grid 248-390.