Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Eastern Europe, Southern Europe, Russia/Siberia, Southern Asia, Western Asia
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
Cold Regions
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
7, 8, 9, 15, 16