Acer castorrivularis
... that Acer castorrivularis is one of five extinct maples from the Eocene Beaver Creek flora in Montana?
... that <i id="mw1Q"><b id="mw1g"><a href="./Acer_castorrivularis" id="mw1w" rel="mw:WikiLink" title="Acer castorrivularis">Acer castorrivularis</a></b></i> is one of five <a class="mw-redirect" href="./Extinct" id="mw2A" rel="mw:WikiLink" title="Extinct">extinct</a> <a href="./Maple" id="mw2Q" rel="mw:WikiLink" title="Maple">maples</a> from the <a href="./Eocene" id="mw2g" rel="mw:WikiLink" title="Eocene">Eocene</a> Beaver Creek flora in Montana?