Phylogenetic relationships and maternal donor of Hystrix and Leymus species as revealed by chloroplast atpB-rbcL sequences Identification and Phylogenetic Relationships of Hsp70 Genes in Tomato Phylogenetic relationships among diploid species of Oryza officinalis complex revealed by multiple gene sequences Phylogenetic Relationship of Ramie and Its Wild Relatives Based on Cytogenetics and DNA Sequences Phylogenetic relationships in Cucumis(Cucurbitaceae) revealed by SSR and RAPD analyses