Lactuca canadensis - Wild lettuce
Lespedeza capitata - Round headed bush clover
Liatris aspera - Rough blazingstar
Liatris ligulistylis - Showy blazingstar
Liatris pycnostachya - Prairie blazingstar
Lilium michiganense - Turk's cap lily
Linum sulcatum - Grooved yellow flax
Lithospermum canescens - Hoary puccoon
Lobelia cardinalis - Cardinal flower
Lobelia inflata - Indian tobacco
Lobelia siphilitica - Great blue lobelia
Lobelia spicata - Pale-spiked lobelia
Lupinus perennis - Wild lupine
Lysimachia ciliata - Fringed Loosestrife
Lysimachia quadriflora - Narrow leaved loosestrife
Maianthemum racemosa - False Solomon's seal
Maianthemum stellata - Starry Solomon's Plume
Maianthemum canadense - Wild Lily-of-the-Valley
Monarda fistulosa - Monarda
Monarda punctata - Dotted mint
Monotropa uniflora - Indian pipe
Muhlenbergia schreberi - Nimble-will
Napaea dioica - Glade mallow
Oenothera biennis - Evening primrose
Onosmodium molle - Marbleseed
Osmorhiza claytonii - Hairy sweet cicely
Oxalis stricta - Common yellow wood sorrel
Oxalis violaceae - Violet wood sorrel
