Liatris graminifolia, spicata and squarrosa
Lilium martagen
Limodorum tuberosum
Linum virginicum
Liquidamber styraciflua
Liriodendrum tulipifera
Lobelia cardinalis, inflata, kalmii, puberula and siphylitica
Lonicera erecta and symphoricarpos
Ludugia alternifolia jussiæoides
Lupinus sp.