The use of medicinal plants from the nature as a medicine is observed, since from the ancient time. Iran has a long history of using medicinal herbs. The nature and rangelands of Iran are one of the richest points with respect to the diversity of valu- able medicinal species. On the other hand, due to the adverse effects of chemical drugs, the trend of the community toward the use of herbal medicines is increasing. Also, the cheapness of herbal medicines as compared with chemical drugs and their increased availability have led to their growing consumption. In general, medicinal plants include a wide range of plant species with signi#cant therapeutic importance due to their bioactive principles. The conifers, often referred to as common needle leaves have a signi#cant share in the production of miracle drug compounds. Also, these plants are known as resinous due to the presence of oleoresin secreting cells, which is a unique feature...
