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| Knapweed,
Spotted, Centaurea maculosa |
| Knotweed,
Japanese, Polygonella cuspidatum |
| Knotweed,
Pink; Pennsylvania smartweed, Polygonum pennsylvanicum |
| Krigia,
Mountain; Dwarf dandelion, Krigia montana |
| Ladies'
tresses, Little, Spiranthes tuberosa var. gracilis |
| Ladies'
tresses, Nodding, Spiranthes cernua |
| Ladies'
tresses, Slender, Spiranthes lacera var. gracilis |
| Lady
slipper, Pink; Moccasin-flower, Cypripedium acaule |
| Lady
slipper, Yellow, Cypripedium calceolus |
| Larkspur,
Dwarf; Spring larkspur, Delphinium tricorne |
| Larkspur,
Tall, Delphinium exatatum |
| Leather
flower; Clematis; Virgin's bower, Clematis spp. |
| Leek,
Wild; Ramps, Allium tricoccum |
| Lettuce,
False; Florida lettuce, Lactuca floridana |
| Lettuce,
Tall white; Rattlesnake root, Prenanthes altissima |
| Liatris,
Scaly, Liatris squarrosa |
| Lily
of the valley, Convallarina montana |
| Lily
of the valley, False; Canadian mayflower, Maianthemum canadense |
| Lily,
American water; Fragrant water lily, Nymphaea odorata |
| Lily,
Atamasco, Zephyranthes altamasco |
| Lily,
Bluebead; Clinton's lily; Corn-lily, Clintonia borealis |
| Lily,
Carolina; Michaux's lily, Lilium michauxii |
| Lily,
Clinton's; Speckled wood lily, White clintonia, Clintonia umbellulata |
| Lily,
Gray's; Orange bell lily, Lilium grayi |
| Lily,
Spider, Hymenocallis occidentalis |
| Lily,
Trout; Fawn lily; Dog-tooth violet, Erythronium americanum |
| Lily,
Turk's cap, Lilium superbum |
| Lily,
Wood; Northern red lily, Lilium philadelphicum |
| Little
sweet Betsy; Hugher's trillium, Trillium cuneatum |
| Live-forever,
Wild, Sedum telepnoides |
| Liverleaf;
Hepatica; Liverwort, Hepatica americana |
| Lizard's
tail, Saururus cernuus |
| Lobelia,
Downy, Lobelia puberula |
| Lobelia,
Great, Lobelia siphilitica |
| Lobelia,
Pale-spike; Spiked lobelia, Lobelia spicata |
| Loosestrife,
Fringed, Lysimachia ciliata |
| Loosestrife,
Whorled, Lysimachia quadrifolia |
| Lotus,
American; Nelumbo, Nelumbo lutea |
| Lousewort;
Wood betony, Pedicularis canadensis |
| Lupine,
False; Bush pea; Thermopsis, Thermopsis villosa |
| Lupine,
Hairy; Lady lupine, Lupinus villosus |
| Lupine,
Spreading, Lupinus diffusus |
| Mallow,
Musk, Malva moschata |
| Mallow,
Seashore; Coastal mallow, Kosteletzkya virginica |
| Mallow,
Swamp; Swamp rose-mallow; Wild cotton, Hibiscus moscheutos |
| Mandarin,
Nodding; Spotted disporum, Disporum maculatum |
| Mandarin,
White; Twisted stalk, Streptopus amplexifolius |
| Marigold,
Bur; Tickseed, Bidens aristosa |
| Marigold,
Marsh, Caltha palustris |
| Marshallia;
Grass-leaf Barbara's button, Marshallia graminifolia |
| May-apple;
Mandrake, Podophyllum peltatum |
| Mayflower,
Canadian; False lily of the valley, Maianthemum canadense |
| Maypops;
Passion flower, Passiflora incarnata |
| Meadow
beauty, Rhexia virginica |
| Meadow
clams; Venus' flytrap, Dionaea muscipula |
| Mertensia;
Virginia cowslip; Virginia bluebells, Mertensia virginica |
| Miami
mist; Scorpionweed, Phacelia purshii |
| Milfoil;
Yarrow; Common yarrow, Achillea millefolium |
| Milk
pea, Galactia regularis |
| Milk-vetch,
Astragalus canadensis |
| Milkweed,
Climbing, Matelea carolinensis |
| Milkweed,
Common, Asclepias syriaca |
| Milkweed,
Four-leaved, Asclepias quadrifolia |
| Milkweed,
Swamp, Asclepias incarnata |
| Milkwort,
Curtiss'; Polygala, Polygala curtissii |
| Milkwort,
Lanceolated; Asclepias, Asclepias lanceolata |
| Milkwort,
Yellow; Orange milkwort, Polygala lutea |
| Mistflower; Hardy ageratum; Wild
ageratum, Eupatorium coelestium |
| Miterwort,
False; Foamflower, Tiarella cordifolia |
| Miterwort;
Bishop's cap; Two-leaf miterwort, Mitella diphylla |
| Monkey
flower, Mimulus ringens var. ringens |
| Monkshood,
Aconitum uncinatum |
| Morning
glory; Cypress vine, Ipomoea spp. |
| Moss-pink;
Phlox, Moss, Phlox subulata |
| Mountain-mint,
Hoary, Pycnanthemum incanum |
| Mountain-mint,
Narrow-leafed, Pycnanthemum tenuifolium |
| Mountain-mint,
Short-toothed, Pycnanthemum muticum |
| Mullein,
Woolly; Common mullein, Verbascum thapsus |
| Mustard,
Chinese, Brassica juncea |
| Necklace
weed; Doll's Eyes; Baneberry; White cohosh, Actaea pachypoda |
| Oats,
Wild; Sessile-leaf bellwort, Uvularia sessilifolia |
| Obedient
plant; False dragonhead, Physostegia virginianum |
| Oconee
bells; Shortia, Shortia galacifolia |
| Orchid,
Cranefly, Tipularia discolor |
| Orchid,
Green fringed; Ragged fringed orchid, Habenaria lacera |
| Orchid,
Large round-leaf; Round leaved orchis, Habenaria orbiculata = Platanthera
orbiculata var. orbiculata |
| Orchid,
Large round-leaf; Round-leaved orchis, Platanthera orbiculata
var. orbiculata |
| Orchid,
Purple fringed, Platanthera (Habenaria) psycodes |
| Orchid,
Rose crested; Rose pogonia, Pogonia ophioglossoides |
| Orchid,
Yellow fringed, Habenaria ciliaris |
| Orchid,
Yellow fringed, Platanthera ciliaris = Habenaria ciliaris |
| Orchis,
Long-bracted, Habenaria viridis var. bracteata |
| Orchis,
Pale green; Southern rain-orchis, Habenaria flava |
| Orchis,
Showy, Galearis spectablis (Orchis spectabillis) |
| Ox-eye,
Heliopsis helianthoides |
| Oxalis;
Sourgrass; Sorrel, Large yellow wood, Oxalis grandis |
| Oyster-plant,
Tragopogon porrifolius |
Prepared by: Erv Evans, Consumer
Horticulturist
Web Design by: Christa Johnson
Web updated by: Ebony McLeod and Heather Monroe
© 2000-2004 NC State University
Images © by Erv Evans
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