Molecular bases for parallel evolution of translucent bracts in an alpine “glasshouse” plant Rheum alexandrae (Polygonaceae) GENETIC MAPPING AND PRELIMINARY ANALYSIS OF QUANTITATIVE TRAIT LOCI FOR ANTHRACNOSE RESISTANCE IN STRAWBERRY Population Genetic Structure and Variation of Endangered Cercidiphyllum japonicum in Shennongjia Area: The Mountain Barrier to Gene Flow Construction of A Reference Linkage Map for Cucumber