Hybrid origin, Southern Europe
Southwestern United States, California
Banks, Dry areas, Gravels, meadows, Pastures, Riverbanks
Dry areas, meadows
7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21