Lace Grass
Laceflower
Lachnanthes
Ladder Brake
Lady Lupine
Ladyfern
Lagenaria
Lagerstroemia
Lakecress
Lambsquarters
Lamp Rush
Lance Selfheal
Lanceleaf Blanketflower
Lanceleaf Buckthorn
Lanceleaf Fogfruit
Lanceleaf Greenbrier
Lanceleaf Loosestrife
Lanceleaf Ragweed
Lanceleaf Rose Gentian
Lanceleaf Thoroughwort
Lanceleaf Tickseed
Lanceleaf Wakerobin
Lantana
Laportea
Large Beaksedge
Large Bullwort
Large Gallberry
Large White Petunia
Large Whorled Pogonia
Large Yellow Vetch
Large-flower Primrose-willow
Largebract Ticktrefoil
Largebracted Plantain
Largeflower Bellwort
Largeflower Heartleaf
Largeflower Milkweed
Largeflower Tickseed
Largeleaf Grass Of Parnassus
Largeleaf Pennywort
Largeleaf Phlox
Largeleaf Pondweed
Largeleaf Rose Gentian
Largeleaf Waterleaf
Largeleaf Wild Indigo