Distribution of use and zones of adaptation for (A) tall fescue (continental summer active and Mediterranean summer dormant types) in the United States, (B) perennial ryegrass in the United States, and (C) tall fescue and perennial ryegrass in Australia. These maps are based on Belesky and West (2009) and C. P. West (Texas Tech University, Lubbock, personal communication) for (A), Hannaway et al. (1997, 1999) with modifications provided by T. Stratton (AgResearch, Ashville, NC, personal communication) for (B), and Wheatley (2005) for (C).