• Greater focus needed on alien plant impacts in protected areas. 

      Hulme, P.E.; Pysek, P.; Pergl, J.; Jarosik, V.; Schaffner, U.; Vila, M. (Wiley Periodicals, Inc, 2014)
      Alien plants pose significant threats to protected areas worldwide yet many studies only describe the degree to which these areas have become invaded. Research must move toward a better understanding of alien plant impacts ...