The rare and endangered species in Chongqing

According to incomplete statistics, there are about 52 rare and endangered species in Chongqing, comparing to China, the proportion is 13%. According to different principles, there are 3 pteridophyte species and 14 gymnosperm species and 35 angiosperm species; 5 first-protection species and 23 second-protection species and 24 third-protection species; 5 endangered species and 22 rare species and 25 threatened species among 52 species. Comparing to China, there proportion are 23.1%, 19.7%, 11.5%, 62.5%, 14.5%, 10.8%; 4.1%, 20.0%, 15.9%, respectively. Chongqing also owns 28 rare and endangered species that will be published in a short time.