Quercus havardii
... that the United States' largest oak stand occupies 2 to 3 million hectares of the Great Plains and is composed of ancient Quercus havardii?
... that the <a href="./United_States" id="mwGvs" rel="mw:WikiLink" title="United States">United States</a>' largest <a href="./Oak" id="mwGvw" rel="mw:WikiLink" title="Oak">oak</a> stand occupies 2 to 3<span id="mwGv0" typeof="mw:Entity"> </span>million hectares of the <a href="./Great_Plains" id="mwGv4" rel="mw:WikiLink" title="Great Plains">Great Plains</a> and is composed of ancient <i id="mwGv8"><b id="mwGwA"><a href="./Quercus_havardii" id="mwGwE" rel="mw:WikiLink" title="Quercus havardii">Quercus havardii</a></b></i>?