Central Zagros, has the richest genetic reservoirs in Iran and Fritillaria imperialis L sites originates from there. Over the last few years for various reasons, including drought, industrial development , urban and rural development and grazing unethical livestock has destroyed its origin and this valuable plant has been seriously threatened . Today, with the advancement of the science of statistics and GIS, habitat modeling of the potential geographical distribution of plant species is possible . This study aims to evaluate the potential sites of Fritillaria imperialis L which is located in Western ranges of Isfahan province . For this purpose, Ecological niche factor analysis (ENFA) were used that has found many applications for the modeling utility sites in recent years. Ecological niche factor analysis (ENFA), just focus on the data that are known as predictive habitat models or model profiles. The combination of GIS and statistical analysis. It maps the geographic distribution of the species using species occurrence data and environmental layers. In this regard, spatial data of occurrence of the species were used as the actual locations for the plant species. In addition, the environmental (climate, soil and physiographic ) conditions were studied. This area was used to identify environmental needs. Soils data were converted to the maps using previous studies and interpolation of the points to the related to the soil profiles. Climatic and physiographic maps have also been prepared using geostatistical methods and were ready to enter the final model. After reviewing the biological and environmental data layers to ensure normality and lack of correlation between them, Ecological niche factor analysis was applied BIOMAPPER software. The distance of the plants was converted to potential site map using the harmonic mean distance transform algorithm in the province. Profiles of specialization , pluralism and tolerance margin equal to 1/547,6/325 , and the 0 /158 were calculated . In order to assess the validity of this method, the profile bovis were considered , the value of this index for drawings produced by ENFA equivalent to0/92 percent were the whole is acceptable . Generally, layer of the environment of potassium, Mqdarfsfr absorbent, DEM , slope and annual rainfall in this area was reversed as the most important factors affecting the habitat of the species tulips. Based on potential habitat maps, the suitable areas for tulip are elevation of 2500-2300 m , annual rainfall of 300-600 mm meters , annual temperature of 9-12 ° C in the north and northeast , potassium than ppm 196 medium-textured to moderately heavy (31 to 43 % clay ) , slope, moderate ( 18 to 25 percent ) , soils with low salinity ( less from 1/22 to 1/80 dS m ) , phosphorus ppm 11 -17, saturated soil moisture content between 38 to 58 % and pH of 7.86 is -7.99 Potential distribution modeling of plant species can be helpful in locating the suitable areas for potential habitat restoration of species such as Fritillaria imperialis and managing plans and protecting endangered species. Keywords : modeling geographical distribution of plant species, Fritillaria imperialis L, Ecological niche factor analysis, geostatistics, GIS, Isfahan