Europe, Asia
Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Western United States, Southwestern United States, Texas, Canada
Dry areas, Roadsides, stream banks, Stream side, Waste areas
High elevation, Hill prairies, Open grasslands
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22