Hyypio, PeterCope, Edward2006-08-022006-08-021996-01https://hdl.handle.net/1813/3416Once cultivated as an unusual ornamental, this plant "escaped" into the wild and is now undesirable because its sap causes skin irritation in many people. This four-fold brochure will help you recognize and control this plant.708594 bytesapplication/pdfen-US