Six questions that should be answered if “safe” cultivars are to be differentiated from “risky” relatives in regulations on biological invasions. The questions align with the constituent parts of risk analysis as indicated by the dotted boxes. Each of the questions is explained in further details in the main text.

 
 
  Part of: Datta A, Kumschick S, Geerts S, Wilson JRU (2020) Identifying safe cultivars of invasive plants: six questions for risk assessment, management, and communication. In: Wilson JR, Bacher S, Daehler CC, Groom QJ, Kumschick S, Lockwood JL, Robinson TB, Zengeya TA, Richardson DM. NeoBiota 62: 81-97. https://doi.org/10.3897/neobiota.62.51635