| COTTONWOODS | Fast-growing North American trees of the genus Populus (11) |
| LIGNUMVITAE | Wood from tropical American trees of the genus Guaiacum, formerly thought to have medicinal properties (6,5) |
| LODGEPOLE | Either of two fast-growing north American pine trees (9) |
| BOXELDER | The fast-growing North American maple Acer negundo |
| ANGOSTURA | Bitter aromatic bark of two South American trees of the family Rutaceae, formerly used medicinally to reduce fever (9) |
| REDCEDAR | Any of several coniferous North American trees, especially the juniper Juniperus virginiana or the cypress Thuja plicata (3,5) |
| BUCKEYE | Any of several North American trees with erect clusters of white or red flowers (7) |
| POPLAR | Various tall, fast-growing trees of the genus Populus, of the willow family (6) |
| ASPEN | Any of several trees of the genus Populus in the willow family (Salicaceae), especially the European P. tremula (5) |
| OSAGEORANGE | North American tree of the mulberry family, known in French as bois d'arc ('bow-wood'); Maclura pomifera (5,6) |
| POPLARS | Trees of the genus Populus, with drooping catkins (7) |
| HONEYLOCUST | Spiny N American tree of the pea family bearing pods filled with sweet pulp; Gleditsia triacanthos (5,6) |
| TUPELO | North American tree of the Nyssa genus (6) |
| WESTERNREDCEDAR | Evergreen coniferous North American tree of the cypress family; Thuja plicata (7,3,5) |
| PAWPAW | North American tree of the custard apple family (6) |
| ASSAI | Small purple fruit of a South American tree, of the genus Euterpe (5) |
| GUAVA | Tropical American tree of the genus Psidium grown for its edible fruit (5) |
| MAHOGANY | Tropical American tree of the genus Swietenia (8) |
| SASSAFRAS | North American tree of laurel family with aromatic bark (9) |
| ACAI | South American tree of the genus Euterpe whose blackish- purple berries are valued as a health food (4) |
