Betula leopoldae
... that the extinct birch Betula leopoldae is named after conservationist Estella Leopold?
... that the extinct birch <i id="mwBeE"><b id="mwBeI"><a href="./Betula_leopoldae" id="mwBeM" rel="mw:WikiLink" title="Betula leopoldae">Betula leopoldae</a></b></i> <i id="mwBeQ">(leaf fossil pictured)</i> is named after conservationist <a href="./Estella_Leopold" id="mwBeU" rel="mw:WikiLink" title="Estella Leopold">Estella Leopold</a>?