Analysis of Population Genetic Structure and Molecular Identification of Changium smyrnioides and Chuanminshen violaceum With ISSR Marker Analyses of the Genetic Relationships Among 22 Species of Manglietia Plants Using ISSR Markers Genetic diversity analysis of germplasm of authentic Astragalus membranaceus in Inner Mongolia Physiological differences and their genetic backgrounds of Erigeron breviscapus populations under enhanced UV-B radiation. ISSR Analysis on Red-flesh and Late-ripening Mutant of Sanyue Plum (Prunussalicina Lindl.) Induced by Irradiation