The synteny between four Citrus genomes can now be explored using the new Tripal Synteny Viewer. To search synteny click on "Synteny Viewer" under the tools menu. The genomes that are available are C. clementina v1.0 (JGI), C. sinensis v1.1 (JGI). C. sinensis v2.0 (HZAU) and C. maxima (C. grandis) v1.0 (HZAU).