Fig. 3From: The size diversity of the Pteridaceae family chloroplast genome is caused by overlong intergenic spacersComparison of chloroplast genome features in the 41 Pteridaceae species. (A) Comparison of the cpDNA sizes with the overlong IGSs; even if the overlong IGS is in the IR regions, the figure only shows the length of one copy of the IGS. (B) Comparison of the lengths of the LSC, SSC, and IR regions; with * indicating regions containing overlong IGS. (C) The correlation between IGS length and cpDNA sizesBack to article page