grey gum
... that the leaves of the grey gum are a staple food of the koala?
... that the leaves of the <b id="mwCQ8"><a href="./Eucalyptus_punctata" id="mwCRA" rel="mw:WikiLink" title="Eucalyptus punctata">grey gum</a></b> <i id="mwCRE">(bark pictured)</i> are a staple food of the koala?