1. Ahmad Z, Khan SM, Abd_Allah EF, Alqarawi AA, Hashem A (2016a) Weed species composition and distribution pattern in the maize crop under the influence of edaphic factors and farming practices: a case study from Mardan, Pakistan. Saudi J Biol Sci 23:741–748
2. Ahmad Z, Khan SM, Ali S, Rahman I, Ara H, Noreen I, Khan A (2016b) Indicator species analyses of weed communities of maize crops in district Mardan, Pakistan. Pak J Weed Sci Res 22:227–238
3. Ahmed M, Khan N, Wahab M, Hamza S, Siddiqui MF, Nazim K, Khan MU (2009) Vegetation structure of Olea ferruginea Royle forests of lower Dir district of Pakistan. Pak J Bot 41:2683–2695
4. Ali F, Khan N, Ali K, Khan I (2017) Influence of environmental variables on the distribution of woody species in Muslim graveyards of Malakand Division, Hindukush Range Mountains of Pakistan. Pak J Bot 49:2357–2366
5. Anderson MJ, Ellingsen KE, McArdle BH (2006) Multivariate dispersion as a measure of beta diversity. Ecol Lett 9:683–693