Africa, America, Asia
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada
Along Railroads, River side, Roadsides
sandy seeps, stream banks, Woods
H1, 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
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6