./reference/get.descendants.html">get.descendants</a></span>(birds, nodename)
clade2names &lt;-<span class="st"> </span><span class="kw"><a href="../reference/get.descendants.html">get.descendants</a></span>(birds, phylobase<span class="op">::</span><span class="kw"><a href="http://www.rdocumentation.org/packages/phylobase/topics/MRCA">MRCA</a></span>(birds, <span class="kw">c</span>(<span class="st">"Pteroclidae"</span>, <span class="st">"Jacanidae"</span>)))

<span class="cf">for</span> (nodename <span cl