United States (USA) - Minnesota south of approximately 45°30'N - counties of Anoka; Big Stone; Blue Earth; Brown; Carver; Chippewa; Cottonwood; Dakota; Dodge; Faribault; Fillmore; Freeborn; Goodhue; Hennepin; Houston; Jackson; Kandiyohi; Lac Qui Parle; Le Sueur; Lincoln; Lyon; Martin; McLeod; Meeker; Mower; Murray; Nicollet; Nobles; Olmsted; Pipestone; Ramsey; Redwood; Renville; Rice; Rock; Scott; Sherburne; Sibley; Steele; Swift; Wabasha; Waseca; Washington; Watonwan; Winona; Wright; Yellow Medicine.