 |  | True seed plants, the Angiosperms |
|  | Parallel-veined plants, the Monocots |
 |  | Alismataceae (Water-plantain family) |
|  | Amaryllidaceae (Amaryllis family) |
|  | Araceae (Arum family) |
|  | Commelinaceae (Spiderwort family) |
|  | Cyperaceae (Sedge family) |
|  | Hydrocharitaceae (Frog's-bit family) |
|  | Iridaceae (Iris family) |
|  | Juncaceae (Rush family) |
|  | Juncaginaceae (Arrow grass family) |
|  | Lemnaceae (Duckweed family) |
|  | Liliaceae (Lily family) |
|  | Allium (Onion) |
|  | Clintonia |
|  | Convallaria (Lily of the Valley) |
|  | Erythronium |
|  | Hemerocallis (Daylily) |
|  | Lilium (Lily) |
| | Maianthemum |
|  | Oakesia |
|  | Polygonatum (Solomon's seal) |
|  | Smilacina (False Solomon's Seal) |
|  | Smilax |
|  | Trillium (Wake robin) |
|  | Uvularia (Merry bells, Bellwort) |
|  | Najadaceae (Naiad family) |
|  | Orchidaceae (Orchid family) |
|  | Poaceae (Grass family) |
|  | Pontederiaceae (Pickerelweed family) |
|  | Potamogetonaceae (Pondweed family) |
 |  | Sparganiaceae (Bur-reed family) |
|  | Typhaceae (Cat-tail family) |
|  | Xyridaceae (Yellow-eyed grass family) |
|  | Branched-veined plants, the Dicots |
|  | Needle-leaved plants and other Gymnosperms |
|  | Ferns |
|  | Horsetails and other fern relatives |
|  | Mosses |
|  | Lichens |
|  | Mushrooms and other fungi |