Study on Variations of Young Forest Growing Traits of Choerospondiasax illaris Geographic Provenances Study on Variations of Seedling Traits in Choerospondias axillaris Geographic Provenances Molecular Polymorphic Analysis for Different Geographic Provenances of Chinese Fir Physiological responses of Nitraria tangutorum from different geographic provenances under osmotic stress A Study on Variations of Seedling Traits in Schima superba Geographic Provenances Phenotypic Variation of Geographic Provenance in Tsuga dumosa