Papyrus is a nursery plant that has escaped in Florida. It sometimes may be found in open, wet disturbed sites of the central and southern peninsula (Wunderlin, 2003). It is native to Asia. Papyrus has also escaped into Louisiana, California and Hawaii (Kartesz, 1999).
For brief control information, see Efficacy of Herbicide Active Ingredients Against Aquatic Weeds by K. Langeland, M. Netherland, and W. Haller.