Boletellus russellii
... the spores of the mushroom Boletellus russellii are grooved and furrowed like its stem?
... the <a href="./Spore" id="mwDlk" rel="mw:WikiLink" title="Spore">spores</a> of the mushroom <i id="mwDlo"><b id="mwDls"><a class="mw-redirect" href="./Boletellus_russellii" id="mwDlw" rel="mw:WikiLink" title="Boletellus russellii">Boletellus russellii</a></b></i> are grooved and furrowed like its stem?