Afifian, M., 2011. Investigating of Phytochemical of Fritillaria imperialis L. in Relation to Habitat Conditions in the West of Isfahan Province. M.Sc. Thesis, Natural Resources College, Isfahan University of technology, Isfahan. (In Persian).
Akbarlou, M. and Nodehi, N., 2016. Relationship between Some Environmental Factors with Distribution of Medicinal Plants in Ghorkhud Protected Region, Northern Khorasan Province, Iran. Jour. Rangeland Science, 6: 63-72. (In Persian).
Armatu, A., Bodirlau, R., Nechita, Cb., Niculaua, M., Teaca, C.A., Ichim, M. and Spirldon, I., 2011. Characterization of biological active compounds from Verbascum phlomoides by chromatography techniques. I. Gas chromatography. Romanian Biotechnological Letters, 16(4): 6297-6304.
Azarnivand, H. and Zare Chahouki, M.A., 2008. Range Improvement. Tehran University Publisher, Tehran, Iran 354P. (In Persian).
Bouyoucos, G.J., 1962. Hydrometer method improved for making particle size analysis of soils. Agron. Jour. 54: 464-465.
Bower, C.A., Reitmeir, R.F. and Fireman, M., 1952. Exchangeable cation analysis of saline and alkali soils. Soil Science. 73: 251-261.
Bremmer, J.M. and Mulvaney, C.S., 1982. Nitrogen total. In: Page AL et al. (eds) Methods of soil analysis, Part 2, Chemical and microbiological properties 9. American Society of Agronomy, Inc., Madison: USA. Pp 595-624.
Curado, MA., Oliveira, C.B.A., Jesus, JG., Santos, S.C., Seraphin, JC. and Ferri, PH., 2006. Environmental factors influence on chemical polymorphism of the essential oils of Lychnophora ericoides. Jour. Phytochemistry, 67: 2363–2369.
Emadian, F. and Mirnia, KH., 1999. Plant ecophysiology. Mazandaran University Publisher, Babolsar, Iran, 152 p. (In Persian).
Emam, S., 2010. Glycosides of Verbascum letourneuxii Asch. and it’s antioxidant activity. Australian Jour. Basic and Applied Sciences, 4(10):5038-5050. (In Persian).
Falzari, LM., Menary, RC. and Dragar, VA., 2006. Optimum stand density for maximum essential oil yield in commercial fennel crops. Jour. Hort Science, 41: 646–650.
Fazilati, M., 2010. Biochemistry, Isfahan University of technology, publisher, 386. (In Persian).
Ghomeshi bozorg, P., 2008. Investigation the quality of white tragacanth resin with growth conditions in the west of Isfahan. Msc thesis, Natural Resources College, Isfahan University of Technology, Isfahan. (In Persian).
Gotsiou, P., Naxakis, G. and Skoula, M., 2002. Diversity in the composition of monoterpenoids of Origanum microphyllum (Labiatae). Jour. Biochemical Systematic and Ecology, 30: 865–879.
Habibi, H., Mazaheri, D., Majnoon Hosseini, N., Chaeechi, M.R. and Fakhr-Tabatabaee, M., 2007. Effect of altitude on essential oil and components in wild thyme (Thymus kotschyanus Boiss) Taleghan region. Jour. Pajouhesh & Sazandegi, 73: 2-10. (In Persian).
Jafari Haghighi, M., 2003. Method of soil analysis sampling and important physical & chemical analysis with emphasis on theoretical & applied principles. Nedaye zohi, Tehran, 236P. (In Persian).
Jahantab, E., Sepehri, A., Barani, H., Qasemi Aryan, Y., Farajolahi, A. and moghiminajad, F., 2011. An Introduction on the Endangered Medicinal Species of Mountain’s Kelavs (Kelussia odoratissima Mozaff.) in Central Zagros in Kohgiluyeh Region, Iran. Jour. Rangeland Science, 2: 409-415. (In Persian).
Kalra, Y.P. and Maynard, D.G., 1991. Methods manual for forest soil and plant analysis. Forestry of Canada, Northwest Region, Northern Forest Center, Edmonton, AB. Information Report, NOR-X-311, 116 p. Canada.
Kheiri, S., 2010. Investigation of Breeding Systems in Some Species Verbascum from Scrophulariaceae Family in Iran. Jour. Biology, Islamic Azad University, 4: 67-74. (In Persian).
Loziene, K. and Venskutonis, PR., 2005. Influence of environmental and genetic factors on the stability of essential oil composition of Thymus pule-gioides. Jour. Biochemical Systematic and Ecology, 33:517–525.
Miguel, MG., Duarte, J., Figueiredo, AC., Barooso, J.G. and Pedro, L.G., 2005. Thymus carnosus Boiss. effect of harvesting period, collection site and type of plant material on essential oil composition. Jour. Essential Oil Research, 17: 422–426.
Mirhaidar, H., 2005. Plant sciences. Nashre Farhange Eslami, Tehran, Iran 418-423 pp. (In Persian).
Moghadam, M. and Farshid, N., 2015. Influence Of environmental and genetic factors on resin yield, essential oil content and chemical composition of Ferula assa-foetida L. populations. Jour. Research on Medicinal and Aromatic Plants. 2: 69–76. (In Persian).
Mohamadian, A., Karamian, R., Mirza, M. and Sepahvand, A., 2014. Effects of altitude and soil characteristics on essential of Thymus fallax Fisch.et al. C.A. Mey. In different habitats of Lorestan province. Jour. Medicinal and Aromatic Plants. 30(4): 519-528. (In Persian).
Nelson, R.E., 1982. Carbonate and gypsum, P 181-197. In: Page, A.L. (eds.). Methods of Soil Analysis. Part 2. Chemical and Microbiological Properties. American Society of Agronomy/Soil Science Society of America, Madison, Wisconsin, USA.
Omidbeygi, R., 1995. Approaches to Production and Processing of Medical Plants. Fekre Ruz Publisher, Tehran, 286p. (In Persian).
Ozcan, M. M., Pedro, L.G., Figueiredo, A.C., Barros, J.G., 2006. Constituents of the essential oil of sea fennel (Crithmum maritimum L.) Growing wild in Turkey. Jour. Medicinal Food, 9(1): 128–130.
Page, A. L. and Keeny, D. R., 1992. Methods of soil analysis, part 2: Chemical and mineralogical properties. SSSA pub, Madison Wisconsin 545-567P.
Saharkhiz, M. J., 2002. The Effect of Harvesting on Essential Oil and its Constituents of Anise Fruit (Pimpinella anisum L.). M.Sc. Thesis, Department of Horticulture Faculty of Agriculture, Tarbiat Modarres University, Tehran. (In Persian).
Sepahvand, S., 2009. Identify and determine of chemical component of Ferula ovina Boiss. MSc Thesis, Natural Resources College, Isfahan University of Technology, Isfahan. (In Persian).
Soleimani Meimand, F., 2012. Investigating of Phytochemical of Stachys lavandulifolia Vahl. In Relation to Habitat Conditions in the West of Isfahan Province. M.Sc Thesis, Natural Resources College, Isfahan University of technology, Isfahan. (In Persian).
Xie, Y., Huang, Q., Yang, F. and Lei, C., 2012. Chemical variation in essential oil of Cryptomeria fortunei from various areas of China. Jour. Industrial Crops and Products, 36: 308–312.
Yanive, Z. and Palevitch, D., 1982. Effects of drought on the secondary metabolite of medicinal and aromatic plants, 1-23. In: Atal and Kapur (eds.) Cultivation and Utilization of Medicinal Plants. CSIR Jammu-Tawi, India.
Yavari, A.R., Nazeri, V., Sefidkon, F. and Hassani, M.E., 2011. Study on some ecological factors, morphological traits, ploidy levels and essentialoil composition of Thymus pubescens Boiss. & Kotschy ex Celak in two naturalregions of East Azerbaijan province. Jour. Medicinal and Aromatic Plants, 26(4): 500-512. (In Persian).