Martix for combining entry risk with establishment and spread risk to form an overall assessment of vulnerability to Xf invasion, based on Early et al. (2016). The diagram assembles five relative rank categories at each stage of invasion considered in our risk ranking model.

 
 
  Part of: Frem M, Chapman D, Fucilli V, Choueiri E, Moujabber ME, Notte PL, Nigro F (2020) Xylella fastidiosa invasion of new countries in Europe, the Middle East and North Africa: Ranking the potential exposure scenarios. NeoBiota 59: 77-97. https://doi.org/10.3897/neobiota.59.53208