Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Madagascar
Yellow Birch, Paper Birch, River Birch
Pachypodium boronii, Pachypodium brevicaule, Pachypodium rosulatum
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
H1, H2, 13, 22, 23, 24