1. Ahmed M, Hussain T, Sheikh, AH, Hussain SS, Siddiqui FM. 2006. Phytosociology structure of Himalayan Forest from different climatic zones of Pakistan. Pakistan Journal of Botany, 38(2): 361–382.
2. Ahmed M, Khan N, Wahab M, Hamza S, Siddiqui F, Nazim K, Khan MU. 2009. Description and structure of Olea ferruginea (Royle) forest of Dir Lower District of Pakistan. Pakistan Journal of Botany, 41(6): 2683–2683.
3. Ahmed M, Naqvi SH. 2005. Tree-ring chronologies of Picea smithiana (Wall) Boiss, and its quantitative vegetational description from Himalayan Range of Pakistan. Pakistan Journal of Botany, 37(3): 697–707.
4. Ahmed M, Nazim K, Siddiqui MF, Wahab M, Khan N, Khan MU, Hussain SS. 2009. Description and structure of Deodar forests from Himalayan range of Pakistan. Pakistan Journal of Botany, 42(5): 3091–3102.
5. Ahmed M, Palmer J, Khan N, Wahab M, Fenwick P, Esper J, Cook E. 2011. The dendroclimatic potential of conifers from northern Pakistan. Dendrochronologia, 29(3): 212–235.