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Gene maps of the Phalaris chloroplast genomes. Genes inside and outside of the circle are transcribed in clockwise and counterclockwise directions, respectively. The GC content and adenylate and thymine (AT) content are shown in dark gray and light gray, respectively. (A) P. aquatica; (B) hexaploid P. arundinacea; (C) tetraploid P. arundinacea.
