/span>
<span class="r-in"><span><span class="va">tree</span> <span class="op">&lt;-</span> <span class="va">africa</span><span class="op">$</span><span class="va">phylo</span></span></span>
<span class="r-in"><span><span class="va">x</span> <span class="op">&lt;-</span> <span class="va">africa</span><span class="op">$</span><span class="va">comm</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">subphy</span> <span class="op">&lt;-</span> <span class="fu">