-Arens, P., Coops, H., Jansen, J. and Vosman, B., 1998. Molecular genetic analysis of black poplar (Populus nigra L.) along Dutch rivers, Molecular Ecology, 7: 11-18.
-Asadi, F. and Mirzaie-Nodoushan, H., 2011. Evaluation of different treatments in sexual reproduction of Populus caspica Bornm. for broadening its genetic basis in the nature. Iranian Journal of Forest and Poplar Research, 19(3): 441-452 (In Persian).
-Asadi, F., Naderi Shahab, M.A. and Mirzaie-Nodoushan, H., 2004. Identity and genetic diversity of Populus species clones using microsatellite marker. Pajouhes and Sazandegi, 66: 49-55 (In Persian).
-Barnes, B.V., 1966. The clonal growth habit of American aspens, Ecology, 47: 439-449.
-Calagari, M., Jafari Mofidabadi, A., Tabari, M. and Hoseini, S.M., 2007. Genetical variation on natural populations of Populus euphratica Oliv. By peroxidase isoenzyme. Iranian Journal of Forest and Poplar Research, 15(2): 115-122 (In Persian).
-Calagari, M., 2010. Selection of superior trees of Populus euphratica in the natural sites and stablishment of collection for germplasm reservation. Final Report of Project, Research Institute of Forests and Rangelands, 83p (In Persian).
-Calagari, M., Jalili, A., Abbas-azimi, A. and Salehi-Shanjani, P., 2014. Environmental effects of leaf morphology traits in the Populus euphratica Oliv, provenances of Iran. Iranian Journal of Forest and Poplar Research, 22(3): 369-380 (In Persian).
-Dunlap, J.M., Heilman, P.E. and Stettler, R.F., 1995. Genetic variation and productivity of Populus trichocarpa and its hybrids. VIII. Leaf and crown morphology of native P. trichocarpa clones from four river valleys in Washington. Canadian Journal of Forest Research, 25: 1710-1725.
-Emam, M., Asadi-Corom, F., Mirzaie-Nodoushan, H., Jaimand, K. and Ghamari-Zare, A., 2014. Investigation of genetic variation of Amygdalus scoparia L. genotypes using some morphological, biochemical and seed storage proteins characteristics. Iranian Journal of Rangelands and Forests Plant Breeding and Genetic Research, 22(1): 34-42 (In Persian).
-Farmer, R.E. and Barnes, B.V., 1978. Morphological variation of families of trembling aspen in southeastern Michigan, The Michigan Botanist, 17: 141-153.
-Grover, A., Agarwal, M., Katiyar-Agarwal, S., Sahi, C. and Agarwal, S., 2000. Production of high temperature tolerant transgenic plants through manipulation of membrane lipids, Current Science, 79: 557–559.
-Homaie, M., Mirzaie-Nodoushan, H., Asadi-Corom, F., Bakhshi-Khaniki, Gh. R. and Calagari, M., 2014. Evaluation of half-sib progenies and their parents of Populus euphratica based on their morphologic and micro-morphologic traits. Iranian Journal of Forest and Poplar Research, 21(4): 768-779 (In Persian).
-Jafari-Mofidabadi, A. and Modirrahmati, A., 2000. Production of Populus euphratica x Populus alba hybrid poplar through ovary and ovule cultures plant. Silvae Genetica, 122: 13-15.
-Khaksar, R., Aldaghi, M., Salimi, A. and Espahbodi. K., 2015. Investigation on qualitative and quantitative changes of peroxidase isozyme in maple (Acer velutinum) at different altitudes of Mazandaran forests. Iranian Journal of Rangelands and Forests Plant Breeding and Genetic Research, 23(2): 203-214 (In Persian).
-Nei, M.,1978. Estimation of average heterozygosity and genetic distance from a small number of individuals. Genetics, 89: 583-590.
-Peakal, R. and Smouse P.E., 2006. GenAlEx 6: genetic analysis in Excel population genetic software for teaching and research. Molecular Ecology Notes, 6: 288–295.
-Robert, J.H. and Bishir, J., 1997. Risk analysis in clonal forestry, Canadian Journal of Forest Research, 85: 1136-1146.
-Rottenberg, A., Nevo, E. and Zhary, D., 2000. Genetic variability in sexually dimorphic and monomorphic population of Populus euphratica (Salicaceae). Canadian Journal of Forest Research, 30: 482-486.
-Shiji, W., Binghao, C. and Hugun, L., 1996. Euphrates poplar forest, China Environmental Science Press, 117 pp.
-Singh, N.B., Kumar, D., Gupta, R., Pundir, I. and Tornar, A., 2002. Intraspecific and interspecific hybridization in poplar for production of new clones, ENVISForestry Bulletin, 2(2): 11-16.
-Wang, W.X., Vinocur, B. and Altman, A., 2003. Plant responses to drought, salinity and extreme temperatures: towards genetic engineering for stress tolerance, Planta, 218: 1–14.
-Weber, J.C. and Stettler, R.F., 1981. Isoenzyme variation among ten (riparian) populations of Populus trichocarpa Torr. Et Gray in the pacific Northwest. Silvae Genetica, 30: 82-87.
)