One hundred and sixteen plant species were found in a plant inventory in Dongsha wo region, where Gansu Endangered wildlife reproduction center was located. There are 22families, 84 genera, and 68. 97% of them belong to the famillies of Graminee, Chenopdiaceae and Palilonaceae. The main ecological types are: xylophyte. super-xerophyte, medium ther mophilus plant, intolerant plant and psammophyte. The main geographyical compositions are middle Asia and ined iterranean-west ern and central Asia. The flora in ...