Milkweed resin: break open the Milkweed stem & apply white resin atop wart.  Each time the resin comes off, repeat this until the wart disappears.

Yucca leaf juice: crush or chew the base or the Yucca leaf to release the juice, then apply topically

Bibliography: Richard Lonewolf

Database Entry: Distance Everheart 4-6-2013