| Scientific Name | Common Name(s) | Life History | Growth Form | |
|---|---|---|---|---|
|
Leucaena leucocephala | White Lead Tree | Perennial | tree |
|
Leucanthemum vulgare | oxeye daisy, field daisy, lilita (Spanish, El Salvador) , margarita (Spanish, Costa Rica), marguerite (English, United States) , moon-daisy (English, El Salvador) , ox-eye daisy (English, El Salvador) , poorland-flower, white daisy, yellow daisy, white-weed, dog daisy, margriet , white daisy, whiteweed, yellow daisy, poverty weed, mid-summer daisy, moon-penny, bull daisy, button daisy | Perennial | forb |
| Leymus arenarius 'Blue Dune' | Sand Ryegrass | Perennial | grass | |
|
Ligustrum japonicum | Japanese privet, wax-leaf privet | Perennial | shrub |
| Ligustrum japonicum 'Recurvifolium' | Curled-Leaf Privet | Perennial | shrub | |
| Ligustrum lucidum | Chinese privet, Glossy privet | Perennial | tree | |
| Ligustrum ovalifolium | California privet, garden privet | Perennial | shrub | |
|
Ligustrum sinense | Chinese privet | Perennial | shrub |
| Ligustrum sinense 'Sunshine' | Sunshine Ligustrum, Sunshine Privet | Perennial | shrub | |
| Ligustrum vulgare | Privet, Common privet, European privet | Perennial | shrub | |
| Lilium szovitsianum | lily, species lily, wild lily, crimson-anthered lily, tall sulphur-flowered lily , Caucasian lily | Perennial | forb | |
|
Limonium duriusculum | European sea lavendar | Perennial | forb |
|
Limonium macrophyllum | Limonium macrophyllum | Perennial | shrub |
|
Limonium otolepis | Asian sea lavender, saltmarsh sea lavender | Perennial | forb |
|
Limonium perezii | Perez's sea lavender | Perennial | forb |
|
Limonium ramosissimum | Algerian sea lavender | Perennial | forb |
| Limonium sinuatum | Wavyleaf sealavender, Statice, notchleaf sea-lavender, perennial sea-lavender | Perennial | forb | |
| Linum perenne | blue flax, perennial flax | Perennial | forb | |
| Linum trigynum | French flax, slender yellow flax | Annual | forb | |
| Liriope muscari 'Variegata' | Lilyturf, Blue lily turf | Perennial | grass | |
|
Liriope spicata | creeping liriope | Perennial | forb |
| Lonicera caerulea 'Cinderella' | Sweetberry Honeysuckle, Fly Honeysuckle, Haskap | Perennial | shrub | |
| Lonicera caerulea 'Tundra' | Sweetberry Honeysuckle, Fly Honeysuckle, Haskap | Perennial | shrub | |
|
Lonicera fragrantissima | sweet breath of spring | Perennial | shrub |
|
Lonicera japonica | Japanese honeysuckle | Perennial | vine |