 |  | True seed plants, the Angiosperms |
 |  | Parallel-veined plants, the Monocots |
|  | Branched-veined plants, the Dicots |
|  | Trees, shrubs, and other arboreus plants |
|  | Aceraceae (Maple family) |
|  | Anacardiaceae (Sumac family) |
|  | Aquifoliaceae (Holly family) |
|  | Betulaceae (Birch family) |
 |  | Bignoniaceae (Bignonia family) |
|  | Caprifoliaceae (Honeysuckle family) |
|  | Celastraceae (Bittersweet family) |
|  | Cornaceae (Dogwood family) |
|  | Ericaceae (Heath family) |
|  | Fabaceae (Pea family) |
|  | Amorpha |
|  | Amphicarpa |
|  | Apios |
|  | Astragalus |
|  | Baptisia (False Indigo) |
|  | Caragana |
|  | Cassia |
|  | Desmodium |
|  | Glycyrrhiza |
|  | Lathyrus (Perennial pea) |
|  | Lespedeza |
|  | Lupinus (Lupine) |
|  | Melilotus |
|  | Petalostemum |
|  | Psoralea |
|  | Robinia |
|  | Strophostyles |
| | Trifolium (Clover) |
|  | Vicia |
|  | Fagaceae (Beech family) |
|  | Juglandaceae (Walnut family) |
|  | Oleaceae (Olive family) |
|  | Rhamnaceae (Buckthorn family) |
|  | Rosaceae (Rose family) |
|  | Rutaceae (Rue family) |
|  | Salicaceae (Willow family) |
|  | Saxifragaceae (Saxifrage family) |
| | Tiliaceae (Linden family) |
|  | Ulmaceae (Elm family) |
|  | Vitaceae (Grape family) |
|  | Non-woody herbaceous plants |
|  | Needle-leaved plants and other Gymnosperms |
|  | Ferns |
|  | Horsetails and other fern relatives |
|  | Mosses |
|  | Lichens |
|  | Mushrooms and other fungi |