| Acalypha ostryaefolia |
THREE-SEEDED MERCURY |
| Acalypha rhomboidea |
THREE-SEEDED MERCURY |
| Acalypha virginica |
THREE-SEEDED MERCURY |
| Acer negundo |
ASH-LEAVED MAPLE |
| Acer nigrum |
BLACK MAPLE |
| Acer saccharinum |
RIVER MAPLE |
| Acer saccharum |
HARD MAPLE |
| Achillea millefolium |
COMMON MILFOIL |
| Acorus americanus |
FLAG ROOT |
| Actaea pachypoda |
DOLL'S-EYES |
| Adiantum pedatum |
MAIDENHAIR FERN |
| Aesculus glabra |
OHIO BUCKEYE |
| Agalinis tenuifolia |
SLENDER FALSE FOXGLOVE |
| Agastache nepetoides |
YELLOW GIANT HYSSOP |
| Agastache scrophulariaefolia |
PURPLE GIANT HYSSOP |
| Agrimonia pubescens |
SOFT AGRIMONY |
| Agrimonia rostellata |
WOODLAND AGRIMONY |
| Agropyron repens |
COUCH GRASS |
| Agropyron smithii |
COLORADO BLUESTEM |
| Agrostemma githago |
CORN COCKLE |
| Agrostis alba |
RED TOP |
| Agrostis hyemalis |
HAIR GRASS |
| Agrostis perennans |
AUTUMN BENT GRASS |
| Alcea rosea |
HOLLYHOCK |
| Alisma plantago aquatica parviflorum |
COMMON WATER PLANTAIN |
| Allium canadense |
WILD GARLIC |
| Allium tricoccum |
RAMP |
| Allium vineale |
FIELD GARLIC |
| Amaranthus albus |
TUMBLEWEED |
| Amaranthus retroflexus |
ROUGH PIGWEED |
| Amaranthus tuberculatus |
TALL WATERHEMP |
| Ambrosia artemisiifolia |
BITTERWEED |
| Ambrosia trifida |
BUFFALO WEED |
| Amelanchier arborea |
JUNEBERRY |
| Ammannia coccinea |
LONG-LEAVED AMMANNIA |
| Amorpha canescens |
LEAD PLANT |
| Amorpha fruticosa |
FALSE INDIGO BUSH |
| Ampelopsis cordata |
RACCOON GRAPE |
| Amphicarpa bracteata |
HOG PEANUT |
| Amphicarpa bracteata comosa |
HOG PEANUT |
| Amsonia tabernaemontana |
BLUE STAR |
| Andropogon gerardii |
BIG BLUESTEM |
| Andropogon virginicus |
BROOM SEDGE |
| Anemone canadensis |
MEADOW ANEMONE |
| Anemone virginiana |
TALL ANEMONE |
| Antennaria plantaginifolia |
EVERLASTING |
| Anthemis cotula |
DOG FENNEL |
| Apios americana |
GROUNDNUT |
| Apocynum androsaemifolium |
SPREADING DOGBANE |
| Apocynum cannabinum |
DOGBANE |
| Arabis canadensis |
SICKLEPOD |
| Arabis glabra |
TOWER MUSTARD |
| Arabis laevigata |
SMOOTH ROCK CRESS |
| Arabis shortii |
TOOTHED CRESS |
| Aralia nudicaulis |
WILD SARSAPARILLA |
| Aralia racemosa |
AMERICAN SPIKENARD |
| Arctium minus |
COMMON BURDOCK |
| Arisaema dracontium |
GREEN DRAGON |
| Arisaema triphyllum |
INDIAN TURNIP |
| Aristida dichotoma |
POVERTY GRASS |
| Aristida longespica |
THREE AWN |
| Aristida oligantha |
PLAINS THREE AWN GRASS |
| Armoracia aquatica |
LAKE CRESS |
| Armoracia rusticana |
HORSERADISH |
| Arrhenatherum elatius |
TALL OAT GRASS |
| Artemisia annua |
ANNUAL WORMWOOD |
| Artemisia biennis |
BIENNIAL WORMWOOD |
| Artemisia campestris |
BEACH WORMWOOD |
| Artemisia ludoviciana gnaphalodes |
|
| Aruncus dioicus |
GOAT'S-BEARD |
| Asarum canadense reflexum |
CANADA WILD GINGER |
| Asclepias exaltata |
POKE MILKWEED |
| Asclepias hirtella |
TALL GREEN MILKWEED |
| Asclepias incarnata |
SWAMP MILKWEED |
| Asclepias purpurascens |
PURPLE MILKWEED |
| Asclepias quadrifolia |
WHORLED MILKWEED |
| Asclepias syriaca |
COMMON MILKWEED |
| Asclepias tuberosa interior |
BUTTERFLYWEED |
| Asclepias verticillata |
HORSETAIL MILKWEED |
| Asimina triloba |
BANANA TREE |
| Asparagus officinalis |
GARDEN ASPARAGUS |
| Asplenium platyneuron |
EBONY SPLEENWORT |
| Asplenium rhizophyllum |
WALKING FERN |
| Aster anomalus |
BLUE ASTER |
| Aster azureus |
AZURE ASTER |
| Aster cordifolius |
BLUEWOOD ASTER |
| Aster drummondii |
DRUMMOND'S ASTER |
| Aster ericoides prostratus |
HEATH ASTER |
| Aster lateriflorus |
SIDE-FLOWERED ASTER |
| Aster novae-angliae |
NEW ENGLAND ASTER |
| Aster pilosus |
HAIRY ASTER |
| Aster sagittifolius |
ARROW ASTER |
| Aster shortii |
SHORT'S ASTER |
| Aster simplex |
PANICLED ASTER |
| Aster turbinellus |
ASTER |
| Aster vimineus |
FROST FLOWER |
| Astragalus canadensis |
CANADIAN MILK VETCH |
| Athyrium angustum |
LADY FERN |
| Athyrium pycnocarpon |
GLADE FERN |
| Athyrium thelypterioides |
SILVERY SPLEENWORT |
| Atriplex patula |
FAT-HEN SALTBUSH |
| Aureolaria grandiflora pulchra |
YELLOW FALSE FOXGLOVE |
| Azolla mexicana |
MEXICAN AZOLLA |
| Baptisia lactea |
WHITE WILD INDIGO |
| Barbarea vulgaris arcuata |
WINTER CRESS |
| Belamcanda chinensis |
BLACKBERRY LILLY |
| Betula nigra |
RED BIRCH |
| Bidens aristosa |
SWAMP MARIGOLD |
| Bidens cernua |
NODDING BEGGAR-TICKS |
| Bidens tripartita |
BEGGARTICK |
| Blephilia ciliata |
PAGODA PLANT |
| Boehmeria cylindrica |
FALSE NETTLE |
| Boltonia asteroides |
FALSE ASTER |
| Boltonia decurrens |
FALSE ASTER |
| Botrychium dissectum obliquum |
BRONZE FERN |
| Botrychium virginianum |
RATTLESNAKE FERN |
| Brachyelytrum erectum |
LONG-AWNED WOOD GRASS |
| Brassica juncea |
CHINESE MUSTARD |
| Brassica nigra |
BLACK MUSTARD |
| Bromus inermis |
AWNLESS BROME GRASS |
| Bromus japonicus |
JAPANESE BROME |
| Bromus pubescens |
CANADA BROME GRASS |
| Bromus secalinus |
CHEAT |
| Bromus tectorum |
CHEAT GRASS BROME |
| Buglossoides arvense |
CORN GROMWELL |
| Cacalia atriplicifolia |
PALE INDIAN PLANTAIN |
| Calamagrostis canadensis |
BLUEJOINT GRASS |
| Callirhoe involucrata |
POPPY MALLOW |
| Calystegia sepium americana |
AMERICAN BINDWEED |
| Calystegia spithamaea |
DWARF BINDWEED |
| Campanula americana |
AMERICAN BELLFLOWER |
| Campsis radicans |
TRUMPET CREEPER |
| Cannabis sativa |
HASHISH |
| Capsella bursa-pastoris |
SHEPERD'S-PURSE |
| Cardamine pensylvanica |
BITTER CRESS |
| Cardaria draba |
HOARY CRESS |
| Carduus nutans |
MUSK BRISTLE THISTLE |
| Carex albursina |
SEDGE |
| Carex artitecta |
SEDGE |
| Carex blanda |
WOODLAND SEDGE |
| Carex brevior |
FESCUE SEDGE |
| Carex cephalophora |
|
| Carex communis |
SEDGE |
| Carex conjuncta |
|
| Carex cristatella |
SEDGE |
| Carex davisii |
DAVIS SEDGE |
| Carex frankii |
SEDGE |
| Carex granularis |
MEADOW SEDGE |
| Carex gravida |
HEAVY SEDGE |
| Carex grisea |
SEDGE |
| Carex hirsutella |
SEDGE |
| Carex hirtifolia |
HAIRY SEDGE |
| Carex hitchcockiana |
SEDGE |
| Carex jamesii |
GRASS SEDGE |
| Carex lupuliformis |
SEDGE |
| Carex lupulina |
HOP SEDGE |
| Carex muhlenbergii |
|
| Carex normalis |
SEDGE |
| Carex pensylvanica |
PENNSYLVANIA SEDGE |
| Carex rosea |
|
| Carex scoparia |
BROOM SEDGE |
| Carex shortiana |
SEDGE |
| Carex sparganioides |
|
| Carex tetanica |
SEDGE |
| Carex tribuloides |
SEDGE |
| Carex umbellata |
SEDGE |
| Carex vulpinoidea |
FOX SEDGE |
| Carpinus caroliniana |
AMERICAN HORNBEAM |
| Carya cordiformis |
BITTERNUT HICKORY |
| Carya glabra |
PIGNUT HICKORY |
| Carya illinoensis |
PECAN |
| Carya ovata |
SCALY-BARK HICKORY |
| Cassia fasciculata |
GOLDEN CASSIA |
| Cassia marilandica |
MARYLAND SENNA |
| Cassia nictitans |
WILD SENSITIVE PLANT |
| Caulophyllum thalictroides |
BLUE COHOSH |
| Ceanothus americanus |
NEW JERSEY TEA |
| Celastrus scandens |
BITTERSWEET |
| Celtis occidentalis |
HACKBERRY |
| Celtis occidentalis canina |
HACKBERRY |
| Cenchrus longispinus |
MAT SANDBUR |
| Centaurea cyanus |
BACHELOR'S BUTTON |
| Cephalanthus occidentalis |
BUTTONBUSH |
| Cerastium glomeratum |
CLAMMY CHICKWEED |
| Cerastium nutans |
NODDING MOUSE-EAR CHICKWEED |
| Cerastium vulgatum |
COMMON MOUSE-EAR CHICKWEED |
| Ceratophyllum demersum |
COONTAIL |
| Cercis canadensis |
EASTERN REDBUD |
| Chaenorrhinum minus |
DWARF SNAPDRAGON |
| Chamaesyce maculata |
NODDING SPURGE |
| Chamaesyce supina |
MILK SPURGE |
| Chenopodium album |
LAMB'S QUARTERS |
| Chenopodium ambrosioides |
AMERICAN WORMSEED |
| Chenopodium pallescens |
NARROW-LEAVED GOOSEFOOT |
| Chenopodium standleyanum |
GOOSEFOOT |
| Cichorium intybus |
BLUE SAILORS |
| Cicuta maculata |
WATER HEMLOCK |
| Cinna arundinacea |
STOUTWOOD REED |
| Circaea lutetiana canadensis |
ENCHANTER'S NIGHTSHADE |
| Cirsium altissimum |
TALL THISTLE |
| Cirsium discolor |
FIELD THISTLE |
| Cirsium pumilum |
HILL'S THISTLE |
| Cirsium vulgare |
BULL THISTLE |
| Claytonia virginica |
SPRING BEAUTY |
| Clematis pitcheri |
LEATHER FLOWER |
| Clematis virginiana |
VIRGIN'S BOWER |
| Comandra umbellata |
BASTARD TOAD-FLAX |
| Commelina communis |
COMMON DAY FLOWER |
| Conium maculatum |
POISON HEMLOCK |
| Convolvulus arvensis |
FIELD BINDWEED |
| Conyza canadensis |
HORSEWEED |
| Conyza ramosissima |
DWARF FLEABANE |
| Coreopsis tripteris |
TALL COREOPSIS |
| Cornus alternifolia |
ALTERNATE-LEAVED DOGWOOD |
| Cornus drummondii |
ROUGH-LEAVED DOGWOOD |
| Cornus florida |
FLOWERING DOGWOOD |
| Cornus racemosa |
GRAY DOGWOOD |
| Corylus americana |
AMERICAN FILBERT |
| Crataegus calpodendron |
URN-SHAPED HAWTHORN |
| Crataegus crus-galli |
COCK-SPUR THORN |
| Crataegus mollis |
RED HAW |
| Croton capitatus |
CAPITATE CROTON |
| Croton glandulosus septentrionalis |
SAND CROTON |
| Croton monanthogynus |
CROTON |
| Cryptotaenia canadensis |
HONEWORT |
| Cuphea viscosissima |
BLUE WAXWEED |
| Cuscuta gronovii |
DODDER |
| Cycloloma atriplicifolium |
TUMBLE RINGWING |
| Cynanchum laeve |
BLUE VINE |
| Cynoglossum officinale |
COMMON HOUND'S TONGUE |
| Cyperus acuminatus |
TAPERLEAF FLAT SEDGE |
| Cyperus aristatus |
BEARDED FLAT SEDGE |
| Cyperus esculentus |
CHUFA |
| Cyperus filiculmis |
FERN FLATSEDGE |
| Cyperus filiculmis macilentus |
|
| Cyperus schweinitzii |
SCHWEINITZ FLATSEDGE |
| Cyperus strigosus |
STRAW COLORED FLATSEDGE |
| Cypripedium pubescens |
LG. YELLOW LADY-SLIPPER ORCHID |
| Cystopteris protrusa |
FRAGILE FERN |
| Dactylis glomerata |
ORCHARD GRASS |
| Danthonia spicata |
CURLY GRASS |
| Datura stramonium |
JIMSONWEED |
| Daucus carota |
QUEEN-ANNE'S-LACE |
| Delphinium tricorne |
DWARF LARKSPUR |
| Dentaria laciniata |
PEPPER-ROOT |
| Descurainia pinnata brachycarpa |
TANSY MUSTARD |
| Descurainia sophia |
FLIXWEED |
| Desmodium canadense |
SHOWY TICK TREFOIL |
| Desmodium canescens |
HOARY TICK TREFOIL |
| Desmodium glabellum |
TICK TREFOIL |
| Desmodium glutinosum |
BEGGAR'S LICE |
| Desmodium laevigatum |
GLAUCOUS TICK TREFOIL |
| Desmodium marilandicum |
SMALL-LEAVED TICK TREFOIL |
| Desmodium nudiflorum |
BARE-STEMMED TICK TREFOIL |
| Desmodium paniculatum |
PANICLED TICK TREFOIL |
| Dicentra cucullaria |
DUTCHMAN'S-BREECHES |
| Dichanthelium acuminatum fasciculatum |
PANIC GRASS |
| Dichanthelium boscii |
|
| Dichanthelium depauperatum |
STARVED PANIC GRASS |
| Dichanthelium latifolium |
|
| Dichanthelium perlongum |
LONG-STALKED PANIC GRASS |
| Digitaria filiformis |
FINGER GRASS |
| Digitaria sanguinalis |
HAIRY CRAB GRASS |
| Diodia teres |
POORJOE |
| Dioscorea villosa |
WILD YAM |
| Diospyros virginiana |
PERSIMMON |
| Dipsacus sylvestris |
COMMON TEASEL |
| Dryopteris carthusiana |
SPINULOSE WOODFERN |
| Dryopteris intermedia |
COMMON WOODFERN |
| Dryopteris marginalis |
LEATHER FERN |
| Dyssodia papposa |
FETID MARIGOLD |
| Echinacea purpurea |
BROAD-LEAVED PURPLE CONEFLOWER |
| Echinochloa muricata |
BARNYARD GRASS |
| Echinochloa muricata wiegandii |
BARNYARD GRASS |
| Echinochloa walteri |
SALT-MARSH COCKSPUR GRASS |
| Echinocystis lobata |
WILD BALSAM-APPLE |
| Echium vulgare |
BLUEWEED |
| Eclipta prostrata |
YERBA DE TAJO |
| Eleocharis acicularis |
NEEDLE SPIKE RUSH |
| Eleocharis erythropoda |
|
| Eleocharis obtusa |
|
| Eleusine indica |
GOOSE GRASS |
| Ellisia nyctelea |
AUNT LUCY |
| Elodea nuttallii |
ELODEA |
| Elymus canadensis |
CANADA WILD RYE |
| Elymus hystrix |
BOTTLEBRUSH GRASS |
| Elymus villosus |
HAIRY WILD RYE |
| Elymus virginicus |
LYME GRASS |
| Epilobium coloratum |
CINNAMON WILLOW HERB |
| Equisetum X ferrissii |
INTERMEDIATE SCOURING RUSH |
| Equisetum arvense |
COMMON HORSETAIL |
| Equisetum hyemale affine |
SCOURING RUSH |
| Equisetum laevigatum |
SMOOTH SCOURING RUSH |
| Eragrostis cilianensis |
STINK GRASS |
| Eragrostis frankii |
SANDBAR LOVE GRASS |
| Eragrostis hypnoides |
CREEPING LOVE GRASS |
| Eragrostis pectinacea |
CAROLINA LOVE GRASS |
| Eragrostis spectabilis |
PURPLE LOVE GRASS |
| Eragrostis trichodes |
ICE CREAM GRASS |
| Eragrostis trichodes pilifera |
THREAD LOVE GRASS |
| Erechtites hieracifolia |
FIRE WEED |
| Erigeron annuus |
ANNUAL FLEABANE |
| Erigeron philadelphicus |
MARSH FLEABANE |
| Erythronium albidum |
WHITE ADDER'S TONGUE |
| Euonymus atropurpureus |
BURNING BUSH |
| Eupatorium altissimum |
TALL BONESET |
| Eupatorium coelestinum |
BLUE BONSET |
| Eupatorium perfoliatum |
COMMON BONESET |
| Eupatorium purpureum |
GREEN-STEMMED JOE-PYE WEED |
| Eupatorium rugosum |
WHITE SNAKEROOT |
| Eupatorium serotinum |
LATE BONESET |
| Eupatorium sessilifolium |
UPLAND BONESET |
| Euphorbia corollata |
FLOWERING SPURGE |
| Euphorbia cyparissias |
CYPRESS SPURGE |
| Euphorbia marginata |
SNOW-ON-THE-MOUNTAIN |
| Euthamia graminifolia |
GRASSLEAF GOLDENROD |
| Falcaria vulgaris |
SICKLEWEED |
| Festuca obtusa |
NODDING FESCUE |
| Festuca pratensis |
ENGLISH BLUEGRASS |
| Forestiera acuminata |
SWAMP PRIVET |
| Fragaria virginiana |
WILD STRAWBERRY |
| Fraxinus americana |
WHITE ASH |
| Fraxinus pennsylvanica |
GREEN ASH |
| Fraxinus quadrangulata |
BLUE ASH |
| Froelichia floridana campestris |
COTTONWEED |
| Froelichia gracilis |
COTTONWEED |
| Galearis spectabilis |
SHOWY ORCHIS |
| Galinsoga quadriradiata |
PERUVIAN DAISY |
| Galium aparine |
ANNUAL BEDSTRAW |
| Galium concinnum |
SHINING BEDSTRAW |
| Galium triflorum |
SWEET-SCENTED BEDSTRAW |
| Gaura biennis |
BUTTERFLY-WEED |
| Geranium carolinianum |
WILD CRANESBILL |
| Geranium maculatum |
WILD GERANIUM |
| Geum canadense |
WHITE AVENS |
| Geum laciniatum |
ROUGH AVENS |
| Glechoma hederacea micrantha |
GROUND IVY |
| Gleditsia triacanthos |
HONEY LOCUST |
| Glyceria striata |
FOWL MANNA GRASS |
| Gnaphalium obtusifolium |
CATFOOT |
| Goodyera pubescens |
RATTLESNAKE PLANTAIN |
| Gratiola neglecta |
CLAMMY HEDGE HYSSOP |
| Grindelia squarrosa |
CURLYCUP GUMWEED |
| Hackelia virginiana |
STICKSEED |
| Hedeoma hispida |
ROUGH PENNYROYAL |
| Hedeoma pulegioides |
AMERICAN PENNYROYAL |
| Helenium autumnale |
AUTUMN SNEEZEWEED |
| Helianthus annuus |
COMMON SUNFLOWER |
| Helianthus decapetalus |
PALE SUNFLOWER |
| Helianthus divaricatus |
DIVERGENT SUNFLOWER |
| Helianthus grosseserratus |
SAWTOOTH SUNFLOWER |
| Helianthus hirsutus |
BRISTLY SUNFLOWER |
| Helianthus maximilianii |
MAXIMILIAN'S SUNFLOWER |
| Helianthus petiolaris |
KANSAS SUNFLOWER |
| Helianthus strumosus |
PALE-LEAVED SUNFLOWER |
| Helianthus tuberosus subcanescens |
JERUSALEM ARTICHOKE |
| Heliopsis helianthoides |
FALSE SUNFLOWER |
| Hemerocallis fulva |
DAY LILY |
| Hepatica nobilis acuta |
SHARP-LOBED HEPATICA |
| Heterotheca camporum |
GOLDEN ASTER |
| Heuchera americana hirsuticaulis |
TALL ALUMROOT |
| Heuchera richardsonii grayana |
PRAIRIE ALUMROOT |
| Hibiscus laevis |
HALBERD-LEAVED ROSE MALLOW |
| Hibiscus trionum |
FLOWER-OF-AN-HOUR |
| Hieracium longipilum |
HAIRY HAWKWEED |
| Hieracium scabrum |
HAIRY HAWKWEED |
| Hordeum jubatum |
FOX-TAIL BARLEY |
| Hordeum pusillum |
LITTLE BARLEY |
| Humulus lupulus |
COMMON HOPS |
| Hydrastis canadensis |
GOLDEN SEAL |
| Hydrophyllum appendiculatum |
GREAT WATERLEAF |
| Hydrophyllum canadense |
BROAD-LEAVED WATERLEAF |
| Hydrophyllum virginianum |
VIRGINIA WATERLEAF |
| Hypericum perforatum |
COMMON ST. JOHNS-WORT |
| Hypericum prolificum |
SHRUBBY ST. JOHNS-WORT |
| Hypericum punctatum |
SPOTTED ST. JOHNS-WORT |
| Hypericum pyramidatum |
GIANT ST. JOHNS-WORT |
| Hypericum sphaerocarpum turgidum |
ROUND-FRUITED ST. JOHNS-WORT |
| Hypoxis hirsuta |
COMMON GOLDSTARGRASS |
| Impatiens capensis |
JEWELWEED |
| Impatiens pallida |
PALE TOUCH-ME-NOT |
| Ipomoea coccinea |
RED MORNING-GLORY |
| Ipomoea lacunosa |
SMALL WHITE MORNING-GLORY |
| Ipomoea pandurata |
WILD SWEET POTATO VINE |
| Isopyrum biternatum |
FALSE RUE ANEMONE |
| Iva annua |
MARSH ELDER |
| Juglans cinerea |
BUTTERNUT |
| Juglans nigra |
BLACK WALNUT |
| Juncus acuminatus |
KNOTTY-LEAVED RUSH |
| Juncus interior |
INLAND RUSH |
| Juncus marginatus |
GRASS-LEAVED RUSH |
| Juncus tenuis |
PATH RUSH |
| Juncus torreyi |
TORREY RUSH |
| Juniperus virginiana |
EASTERN RED CEDAR |
| Krigia biflora |
FALSE DANDELOIN |
| Kummerowia stipulacea |
KOREAN CLOVER |
| Lactuca canadensis |
CANADA LETTUCE |
| Lactuca floridana |
BLUE LETTUCE |
| Lactuca saligna |
WILLOW-LEAVED LETTUCE |
| Lactuca serriola |
COMPASS PLANT |
| Laportea canadensis |
CANADA WOOD NETTLE |
| Lechea tenuifolia |
NARROW-LEAVED PINWEED |
| Lechea villosa |
HAIRY PINWEED |
| Leersia oryzoides |
RICE CUTGRASS |
| Leersia virginica |
WHITE GRASS |
| Lemna minor |
COMMON DUCKWEED |
| Leonurus cardiaca |
MOTHERWORT |
| Lepidium campestre |
FIELD CRESS |
| Lepidium densiflorum |
PEPPERGRASS |
| Lepidium virginicum |
COMMON PEPPERGRASS |
| Leptoloma cognatum |
FALL WITCH GRASS |
| Lespedeza capitata |
BUSH CLOVER |
| Lespedeza cuneata |
CHINESE BUSH CLOVER |
| Lespedeza repens |
CREEPING BUSH CLOVER |
| Lespedeza violacea |
VIOLET BUSH CLOVER |
| Lespedeza virginica |
SLENDER BUSH CLOVER |
| Leucospora multifida |
|
| Liatris aspera |
ROUGH BLAZING STAR |
| Liatris scariosa nieuwlandii |
BLAZING-STAR |
| Ligustrum vulgare |
PRIVET |
| Lilium michiganense |
MICHIGAN LILY |
| Lindernia dubia |
FALSE PIMPERNEL |
| Linum sulcatum |
GROOVED YELLOW FLAX |
| Linum virginianum |
SLENDER YELLOW FLAX |
| Liparis liliifolia |
LARGE TWAYBLADE |
| Liparis loeselii |
GREEN TWAYBLADE |
| Lobelia cardinalis |
CARDINAL-FLOWER |
| Lobelia inflata |
INDIAN TOBACCO |
| Lobelia siphilitica |
BLUE CARDINAL-FLOWER |
| Lobelia spicata leptostachys |
SPIKED LOBELIA |
| Lolium perenne |
CRESTED RYE GRASS |
| Lonicera tatarica |
TARTARIAN HONEYSUCKLE |
| Lotus corniculatus |
BIRDSFOOT-TREFOIL |
| Ludwigia alternifolia |
SEEDBOX |
| Ludwigia palustris americana |
MARSH PURSLANE |
| Ludwigia polycarpa |
FALSE LOOSESTRIFE |
| Luzula multiflora |
COMMON WOODRUSH |
| Luzula multiflora echinata |
WOOD RUSH |
| Lycopersicum esculentum |
TOMATO |
| Lycopodium dendroideum |
GROUND PINE |
| Lycopodium lucidulum |
SHINING CLUBMOSS |
| Lycopus americanus |
COMMON WATER HOREHOUND |
| Lysimachia ciliata |
FRINGED LOOSESTRIFE |
| Lysimachia lanceolata |
LANCE-LEAVED LOOSESTRIFE |
| Lythrum alatum |
WINGED LOOSESTRIFE |
| Maclura pomifera |
HEDGE APPLE |
| Malus ioensis |
IOWA CRAB APPLE |
| Malva neglecta |
CHEESES |
| Marrubium vulgare |
COMMON HOREHOUND |
| Matricaria matricarioides |
PINEAPPLE WEED |
| Medicago lupulina |
BLACK MEDIC |
| Medicago sativa |
ALFALFA |
| Melilotus alba |
WHITE SWEET CLOVER |
| Melilotus officinalis |
YELLOW SWEET CLOVER |
| Menispermum canadense |
MOONSEED |
| Mentha X villosa |
FOXTAIL MINT |
| Mentha arvensis villosa |
FIELD MINT |
| Mertensia virginica |
BLUEBELLS |
| Mimulus alatus |
WINGED MONKEY FLOWER |
| Mimulus ringens |
MONKEY FLOWER |
| Mirabilis nyctaginea |
WILD FOUR-O'CLOCK |
| Mollugo verticillatus |
CARPETWEED |
| Monarda bradburiana |
MONARDA |
| Monarda fistulosa |
WILD BERGAMOT |
| Monarda punctata villicaulis |
HORSEMINT |
| Monotropa uniflora |
INDIAN PIPE |
| Morus alba tatarica |
RUSSIAN MULBERRY |
| Morus rubra |
RED MULBERRY |
| Muhlenbergia frondosa |
COMMON SATIN GRASS |
| Muhlenbergia sobolifera |
MUHLY |
| Muhlenbergia tenuiflora |
SLENDER MUHLY |
| Myosotis verna |
SCORPION GRASS |
| Myriophyllum heterophyllum |
WATER MILFOIL |
| Nelumbo lutea |
AMERICAN LOTUS |
| Nepeta cataria |
CATNIP |
| Oenothera biennis |
EVENING PRIMROSE |
| Oenothera rhombipetala |
SAND PRIMROSE |
| Onoclea sensibilis |
SENSITIVE FERN |
| Ophioglossum vulgatum pseudopodum |
ADDER'S-TONGUE FERN |
| Orobanche uniflora |
CANCER-ROOT |
| Osmorhiza claytonii |
SWEET CICELY |
| Osmorhiza longistylis |
ANISE-ROOT |
| Osmunda cinnamomea |
CINNAMON FERN |
| Osmunda claytoniana |
INTERRUPTED FERN |
| Ostrya virginiana |
HOP HORNBEAM |
| Oxalis dillenii |
YELLOW WOOD SORREL |
| Oxalis stricta |
YELLOW WOOD SORREL |
| Oxalis violacea |
PURPLE OXALIS |
| Panax quinquefolius |
GINSENG |
| Panicum capillare |
WITCH GRASS |
| Panicum dichotomiflorum |
FALL PANICUM |
| Panicum virgatum |
PRAIRIE SWITCHGRASS |
| Paronychia canadensis |
FORKED CHICKWEED |
| Parthenocissus quinquefolia |
VIRGINIA CREEPER |
| Paspalum bushii |
HAIRY BEAD GRASS |
| Paspalum ciliatifolium |
BEADGRASS |
| Paspalum fluitans |
SWAMP BEADGRASS |
| Pastinaca sativa |
PARSNIP |
| Penstemon pallidus |
PALE BEARD-TONGUE |
| Penthorum sedoides |
DITCH STONECROP |
| Perilla frutescens |
BEEFSTEAK PLANT |
| Phalaris arundinacea |
REED CANARY GRASS |
| Phegopteris hexagonoptera |
BROAD BEECH FERN |
| Phleum pratense |
TIMOTHY |
| Phlox divaricata laphamii |
BLUE PHLOX |
| Phlox paniculata |
GARDEN PHLOX |
| Phyla lanceolata |
FOG-FRUIT |
| Physalis heterophylla |
GROUND CHERRY |
| Physalis pubescens |
ANNUAL GROUND CHERRY |
| Physalis subglabrata |
SMOOTH GROUND CHERRY |
| Physostegia speciosa |
FALSE DRAGONHEAD |
| Phytolacca americana |
POKEWEED |
| Pilea pumila |
CANADA CLEARWEED |
| Plantago aristata |
BRACTED PLANTAIN |
| Plantago lanceolata |
BUCKHORN |
| Plantago rugelii |
RED-STALKED PLANTAIN |
| Plantago virginica |
DWARF PLANTAIN |
| Platanus occidentalis |
BUTTONWOOD |
| Poa compressa |
CANADIAN BLUEGRASS |
| Poa pratensis |
KENTUCKY BLUEGRASS |
| Poa sylvestris |
WOODLAND BLUEGRASS |
| Podophyllum peltatum |
MAYAPPLE |
| Poinsettia dentata |
WILD POINSETTIA |
| Polanisia dodecandra |
CLAMMYWEED |
| Polemonium reptans |
JACOB'S-LADDER |
| Polygala incarnata |
PINK MILKWORT |
| Polygala sanguinea |
FIELD MILKWORT |
| Polygonatum commutatum |
GREAT SOLOMON SEAL |
| Polygonum achoreum |
LEATHERY KNOTWEED |
| Polygonum amphibium |
WATER SMARTWEED |
| Polygonum arenastrum |
KNOTWEED |
| Polygonum convolvulus |
BLACK BIRDWEED |
| Polygonum cristatum |
COPSE BINDWEED |
| Polygonum cuspidatum |
JAPANESE FLEECE FLOWER |
| Polygonum hydropiper |
COMMON SMARTWEED |
| Polygonum lapathifolium |
CURTTOP LADY'S THUMB |
| Polygonum pensylvanicum laevigatum |
PENNSYLVANIA SMARTWEED |
| Polygonum persicaria |
SPOTTED LADY'S THUMB |
| Polygonum punctatum |
DOTTED SMARTWEED |
| Polygonum ramosissimum |
BUSHY KNOTWEED |
| Polygonum sagittatum |
ARROWLEAF TEARTHUMB |
| Polygonum scandens |
CLIMBING BUCKWHEAT |
| Polygonum virginianum |
VIRGINIA KNOTWEED |
| Polymnia canadensis |
LEAFCUP |
| Polymnia canadensis |
LEAFCUP |
| Polystichum acrostichoides |
CHRISTMAS FERN |
| Pontederia cordata |
PICKERELWEED |
| Populus deltoides |
EASTERN COTTONWOOD |
| Portulaca oleracea |
PURSLANE |
| Potamogeton foliosus |
LEAFY PONDWEED |
| Potentilla norvegica |
ROUGH CINQUEFOIL |
| Potentilla recta |
SULFUR CINQUEFOIL |
| Potentilla simplex |
COMMON CINQUEFOIL |
| Prenanthes alba |
LION'S FOOT |
| Prunella vulgaris elongata |
SELF-HEAL |
| Prunus serotina |
WILD BLACK CHERRY |
| Psoralea tenuiflora |
SCURF-PEA |
| Ptelea trifoliata |
WAFER ASH |
| Pteridium aquilinum latiusculum |
BRACKEN FERN |
| Pycnanthemum pilosum |
HAIRY MOUNTAIN MINT |
| Pycnanthemum tenuifolium |
SLENDER MOUNTAIN MINT |
| Pyrrhopappus carolinianus |
FALSE DANDELION |
| Quercus alba |
WHITE OAK |
| Quercus bicolor |
SWAMP WHITE OAK |
| Quercus imbricaria |
JACK OAK |
| Quercus macrocarpa |
BURR OAK |
| Quercus marilandica |
BLACKJACK OAK |
| Quercus palustris |
PIN OAK |
| Quercus prinoides acuminata |
CHINKAPIN OAK |
| Quercus rubra |
NORTHERN RED OAK |
| Quercus stellata |
POST OAK |
| Quercus velutina |
BLACK OAK |
| Ranunculus abortivus |
LITTLE-LEAF BUTTERCUP |
| Ranunculus hispidus |
BRISTLY BUTTERCUP |
| Ranunculus recurvatus |
HOOKED BUTTERCUP |
| Ranunculus sceleratus |
CURSED CROWFOOT |
| Ranunculus septentrionalis |
SWAMP BUTTERCUP |
| Rhamnus lanceolata |
LANCE-LEAVED BUCKTHORN |
| Rhus aromatica |
AROMATIC SUMAC |
| Rhus glabra |
SMOOTH SUMAC |
| Ribes cynosbati |
DOGBERRY |
| Ribes missouriense |
MISSOURI GOOSEBERRY |
| Robinia pseudoacacia |
BLACK LOCUST |
| Rorippa islandica fernaldiana |
MARSH YELLOW CRESS |
| Rorippa sessiliflora |
SESSILE-FLOWERED CRESS |
| Rosa carolina |
PASTURE ROSE |
| Rubus allegheniensis |
COMMON BLACKBERRY |
| Rubus flagellaris |
DEWBERRY |
| Rubus frondosus |
BLACKBERRY |
| Rubus idaeus |
CULTIVATED RASPBERRY |
| Rubus occidentalis |
BLACK RASPBERRY |
| Rubus pensylvanicus |
BLACKBERRY |
| Rudbeckia hirta |
BLACK-EYED SUSAN |
| Rudbeckia laciniata |
CUTLEAF CONEFLOWER |
| Rudbeckia triloba |
BROWN-EYED SUSAN |
| Ruellia strepens |
SMOOTH RUELLIA |
| Rumex acetosella |
COMMON SORREL |
| Rumex altissimus |
PALE DOCK |
| Rumex crispus |
CURLY DOCK |
| Rumex mexicanus |
DOCK |
| Rumex verticillatus |
SWAMP DOCK |
| Sabatia angularis |
MARSH PINK |
| Sagittaria brevirostra |
ARROWLEAF |
| Sagittaria calycina |
ARROWLEAF |
| Sagittaria latifolia |
ARROWHEAD |
| Salix exigua |
SANDBAR WILLOW |
| Salix nigra |
BLACK WILLOW |
| Sambucus canadensis |
COMMON ELDER |
| Samolus valerandii |
BROOKWEED |
| Sanguinaria canadensis |
BLOODROOT |
| Sanicula canadensis |
CANADIAN BLACK SNAKEROOT |
| Sanicula gregaria |
COMMON SNAKEROOT |
| Saponaria officinalis |
BOUNCING BET |
| Sassafras albidum |
RED SASSAFRAS |
| Saururus cernuus |
LIZARD'S TAIL |
| Schizachyrium scoparium |
LITTLE BLUESTEM |
| Scirpus atrovirens |
DARK GREEN RUSH |
| Scirpus fluviatilis |
RIVER BULRUSH |
| Scirpus tabernaemontanii |
GREAT BULRUSH |
| Scrophularia marilandica |
LATE FIGWORT |
| Scutellaria lateriflora |
MAD-DOG SKULLCAP |
| Scutellaria nervosa |
VEINY SKULLCAP |
| Scutellaria ovata |
HEART-LEAVED SKULLCAP |
| Secale cereale |
RYE |
| Setaria faberi |
GIANT FOXTAIL |
| Setaria glauca |
PIGEON GRASS |
| Setaria verticillata |
BRISTLY FOXTAIL |
| Setaria viridis |
COMMON FOXTAIL |
| Sicyos angulatus |
BUR CUCUMBER |
| Sida spinosa |
PRICKLY SIDA |
| Silene antirrhina |
SLEEPY CATCHFLY |
| Silene stellata |
STARRY CAMPION |
| Silphium integrifolium |
WHOLELEAF ROSINWEED |
| Silphium perfoliatum |
CUP PLANT |
| Silphium terebinthinaceum |
DOCK ROSIN-WEED |
| Sisymbrium altissimum |
TUMBLE MUSTARD |
| Sisymbrium officinale |
HEDGE MUSTARD |
| Sisyrinchium albidum |
BLUE-EYED GRASS |
| Sisyrinchium angustifolium |
COMMON BLUE-EYED GRASS |
| Sium suave |
WATER PARSNIP |
| Smilacina racemosa |
FALSE SOLOMON SEAL |
| Smilax lasioneuron |
COMMON CARRION FLOWER |
| Solanum carolinense |
HORSE-NETTLE |
| Solanum cornutum |
BUFFALO-BUR |
| Solanum ptycanthum |
BLACK NIGHTSHADE |
| Solidago canadensis |
CANADA GOLDENROD |
| Solidago flexicaulis |
BROADLEAF GOLDENROD |
| Solidago gigantea |
LATE GOLDENROD |
| Solidago missouriensis |
MISSOURI GOLDENROD |
| Solidago nemoralis |
DYERSWEED GOLDENROD |
| Solidago radula |
ROUGH GOLDENROD |
| Solidago speciosa |
SHOWY GOLDENROD |
| Solidago ulmifolia |
ELM-LEAVED GOLDENROD |
| Sorghastrum nutans |
INDIAN GRASS |
| Sorghum halepense |
EGYPTIAN MILLET |
| Sparganium eurycarpum |
BURREED |
| Spermacoce glabra |
SMOOTH BUTTONWEED |
| Sphenopholis obtusata |
PRAIRIE WEDGE GRASS |
| Sphenopholis obtusata major |
WEDGE GRASS |
| Spiranthes lacera |
SLENDER LADIES' TRESSES |
| Spirodela polyrhiza |
BIG DUCKWEED |
| Sporobolus clandestinus |
DROPSEED |
| Stachys aspera |
HYSSOP HEDGE NETTLE |
| Stachys tenuifolia |
SLENDERLEAF BETONY |
| Stachys tenuifolia hispida |
HAIRY HEDGE NETTLE |
| Staphylea trifolia |
BLADDERNUT |
| Stellaria media |
COMMON CHICKWEED |
| Stipa spartea |
NEEDLE GRASS |
| Strophostyles helvola |
WILD BEAN |
| Symphoricarpos orbiculatus |
BUCKBRUSH |
| Taenidia integerrima |
YELLOW PIMPERNEL |
| Taraxacum officinale |
COMMON DANDELION |
| Tephrosia virginiana |
GOAT'S RUE |
| Teucrium canadense virginicum |
AMERICAN GERMANDER |
| Thalictrum dasycarpum |
PURPLE MEADOW RUE |
| Thalictrum revolutum |
WAXY MEADOW RUE |
| Thalictrum thalictroides |
RUE ANEMONE |
| Thaspium barbinode |
HAIRY MEADOW PARSNIP |
| Thaspium trifoliatum |
MEADOW PARSNIP |
| Thlaspi arvense |
FIELD PENNY CRESS |
| Toxicodendron radicans |
POISON IVY |
| Tradescantia ohiensis |
SPIDERWORT |
| Tradescantia virginiana |
SPIDERWORT |
| Tragopogon porrifolius |
VEGETABLE OYSTER SALSIFY |
| Tridens flavus |
FALSE RED TOP |
| Trifolium campestre |
LOW HOP CLOVER |
| Trifolium hybridum |
ALSIKE CLOVER |
| Trifolium pratense |
RED CLOVER |
| Trifolium repens |
WHITE CLOVER |
| Trillium flexipes |
DECLINED TRILLIUM |
| Trillium recurvatum |
RED TRILLIUM |
| Triodanis perfoliata |
VENUS' LOOKING-GLASS |
| Triosteum aurantiacum |
EARLY HORSE GENTIAN |
| Triosteum perfoliatum |
LATE HORSE GENTIAN |
| Triticum aestivum |
BEARDED WHEAT |
| Typha angustifolia |
NARROW-LEAVED CATTAIL |
| Typha latifolia |
CATTAIL |
| Ulmus americana |
AMERICAN ELM |
| Ulmus rubra |
SLIPPERY ELM |
| Urtica dioica |
STINGING NETTLE |
| Uvularia grandiflora |
BIG MERRY BELLS |
| Verbascum blattaria |
MOTH MULLEIN |
| Verbascum thapsus |
WOOLLY MULLEIN |
| Verbena bracteata |
CREEEPING VERVAIN |
| Verbena hastata |
BLUE VERVAIN |
| Verbena stricta |
HOARY VERVAIN |
| Verbena urticifolia |
WHITE VERVIAN |
| Verbesina alternifolia |
WING STEM |
| Verbesina helianthoides |
YELLOW CROWNBEARD |
| Vernonia fasciculata |
COMMON IRONWEED |
| Vernonia gigantea |
TALL IRON WEED |
| Vernonia missurica |
MISSOURI IRONWEED |
| Veronica arvensis |
CORN SPEEDWELL |
| Veronica peregrina |
PURSLANE SPEEDWELL |
| Veronicastrum virginicum |
CULVER'S ROOT |
| Viburnum prunifolium |
BLACK HAW |
| Vicia villosa |
WINTER VETCH |
| Viola pedata |
BIRDFOOT VIOLET |
| Viola pubescens eriocarpa |
SMOOTH YELLOW VIOLET |
| Viola sororia |
WOOLLY BLUE VIOLET |
| Viola striata |
COMMON WHITE VIOLET |
| Viola triloba |
CLEFT VIOLET |
| Vitis aestivalis |
SUMMER GRAPE |
| Vitis cinerea |
WINTER GRAPE |
| Vitis riparia |
RIVERVBANK GRAPE |
| Vitis vulpina |
FROST GRAPE |
| Vulpia octoflora |
SIX-WEEKS FESCUE |
| Vulpia octoflora glauca |
SLENDER FESCUE |
| Xanthium strumarium canadensis |
COCKLE BUR |
| Xanthium strumarium glabratum |
COCKLE BUR |
| Yucca flaccida |
ADAM'S NEEDLE |
| Zannichellia palustris |
COMMON POOLMAT |