woolly willow
... that broth prepared with the bark of woolly willow is used in Native American medicine to treat sore throats?
... that broth prepared with the bark of <b id="mwATg"><a href="./Salix_richardsonii" id="mwATk" rel="mw:WikiLink" title="Salix richardsonii">woolly willow</a></b> is used in <a href="./Native_Americans_in_the_United_States" id="mwATo" rel="mw:WikiLink" title="Native Americans in the United States">Native American</a> medicine to treat sore throats?