blushing tricholoma
... that the blushing tricholoma fungus formed a fairy ring in Germany which was 80 m (260 ft) across and contained an estimated 10,000 mushrooms?
... that the <b id="mwCek"><a href="./Tricholoma_orirubens" id="mwCeo" rel="mw:WikiLink" title="Tricholoma orirubens">blushing tricholoma</a></b> fungus formed a <a href="./Fairy_ring" id="mwCes" rel="mw:WikiLink" title="Fairy ring">fairy ring</a> in Germany which was <span about="#mwt38" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"80"},"2":{"wt":"m"},"3":{"wt":"ft"},"abbr":{"wt":"on"}},"i":0}}]}' id="mwCew" typeof="mw:Transclusion">80</span><span about="#mwt38" typeof="mw:Entity"> </span><span about="#mwt38">m (260</span><span about="#mwt38" typeof="mw:Entity"> </span><span about="#mwt38">ft)</span> across and contained an estimated 10,000 mushrooms?