Fig. 2From: Genetic variation, population structure and linkage disequilibrium in Switchgrass with ISSR, SCoT and EST-SSR markersTwo subgroups inferred from STRUCTURE analysis. The vertical coordinate of each subgroup means the membership coefficients for each accessions; the digits of the horizontal coordinate represent the 134 switchgrass accessions corresponding to Table 3; Red zone: G1, Green zone: G2Back to article page