| Subspecies | Taxon author | Common name | Geographic range |
|---|---|---|---|
| O. m. convictus | (Stoliczka, 1870) | Indo-Malayan mountain pitviper | Indonesia (Sumatra), West Malaysia, Singapore, Thailand and Vietnam as far north as the central Annam Mountains. |
| O. m. makazayazaya | (Takahashi, 1922) | Taiwan mountain pitviper | Taiwan: Chuchuku, Arishan, Makazayazaya and Taipei. |
| O. m. monticola | (Günther, 1864) | Mountain pitviper | Bangladesh (Chittagong Hill Tracts), China (Sichuan, Tibet Autonomous Region, Yunnan, India (Arunachal Pradesh, Assam, Mizoram, Manipur, Meghalaya, Nagaland, Sikkim, Uttaranchal and West Bengal), Myanmar (Chin, Kachin and Shan) and Nepal. |
| O. m. zayuensis | (Jiang, 1977) | Zayuan mountain pitviper | China, Tibet Autonomous Region: in Zayü and Mêdog counties at 1,800-2,200 m (5,900-7,200 feet) elevation. |
| O. m. zhaokentangi | Zhao, 1995 | Gaoligong mountain pitviper | Goaligong Shan, north of Pianma, Lushui County, Yunnan Province, China. |
Read more about this topic: Ovophis Monticola