Jeweled wakerobin 
Large-flowered bellwort 
Late Tulip 
Lawyer vine 
Leichtlin's Mariposa 
Leopoldia longipes 
Lilac Wonder 
Lilium auratum 
Lilium ledebourii 
Lilium ponticum 
Lilium speciosum 
Lilium szovitsianum 
Little Sweet Betsy 
Lyall's Mariposa Lily 
Madonna Lily 
Martagon Lily 
Meadow death camas 
Merendera filifolia 
Michigan lily 
Milkmaids 
Mountain deathcamas 
Mountain lily 
Mt. Diablo Fairy-lantern 
Nodding trillium