Acer dettermani
... that the extinct maple Acer dettermani is only known from the flank of a volcano?
... that the extinct <a href="./Maple" id="mwNQ" rel="mw:WikiLink" title="Maple">maple</a> <i id="mwNg"><b id="mwNw"><a href="./Acer_dettermani" id="mwOA" rel="mw:WikiLink" title="Acer dettermani">Acer dettermani</a></b></i> is only known from the flank of a <a href="./Mount_Aniakchak" id="mwOQ" rel="mw:WikiLink" title="Mount Aniakchak">volcano</a>?