<p>Data sources and grid map as in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0132358#pone.0132358.g005" target="_blank">Fig 5</a>. Richness in the species <i>B</i>. <i>hortorum</i> to <i>B</i>. <i>sushkini</i> and ‘unnamed’ from <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0132358#pone.0132358.g004" target="_blank">Fig 4</a>.</p