Not Established
| Common name (English) | |
|---|---|
| Jasminum mesnyi | Japanese jasmine, Primrose jasmin |
| Jasminum nudiflorum | Winter Jasmine |
| Jasminum officinale | Poet's jasmine |
| Jasminum polyanthum | |
| Juniperus occidentalis | Western Juniper |
| Juniperus virginiana | Eastern Red-Cedar; Pencil Cedar |
| Justicia adhatoda | Malabar nut |
| Koelreuteria paniculata | Goldenrain tree, Pride of India, Chinese rain tree, Shrimp tree |
| Kyphosus vaigiensis | |
| Lablab purpureus | Hyacinthbean |
| Lagenaria siceraria | Bottle gourd |
| Lantana camara | Wild-sage |
| Lathyrus clymenum | |
| Lathyrus latifolius | Broad-leaved sweet pea |
| Lawsonia inermis | Henna |
| Lens culinaris | |
| Leonotis nepetifolia | Christmas candlestick |
| Lepidium sativum | Garden cress |
| Lepomis gibbosus | Pumpkinseed |
| Leptochloa mucronata |