sand sagebrush
... that the Navajo tribe used sand sagebrush as toilet paper?
... that the <a class="mw-redirect" href="./Navajo_people" id="mw-Q" rel="mw:WikiLink" title="Navajo people">Navajo</a> tribe used <b id="mw-g"><a href="./Artemisia_filifolia" id="mw-w" rel="mw:WikiLink" title="Artemisia filifolia">sand sagebrush</a></b> <i id="mw_A">(pictured)</i> as toilet paper?