Western United States, Northwestern United States, California, Canada
Hybrid origin
Riverbanks, Stream side
disturbed sites, Forest edges, old gardens, Riverbanks, Roadsides
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
A1, A2, A3, 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