Stony Brook
... that there are nine species of fern in Stony Brook valley?
... that there are nine species of <a href="./Fern" id="mwBCE" rel="mw:WikiLink" title="Fern">fern</a> in <b id="mwBCI"><a class="mw-redirect" href="./Stony_Brook_(Fishing_Creek)" id="mwBCM" rel="mw:WikiLink" title="Stony Brook (Fishing Creek)">Stony Brook</a></b> valley?