| Abutilon theophrastii |
BUTTONWEED |
| Acalypha rhomboidea |
THREE-SEEDED MERCURY |
| Acer negundo |
ASH-LEAVED 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 |
| Agalinis purpurea |
FALSE FOXGLOVE |
| Agalinis tenuifolia |
SLENDER FALSE FOXGLOVE |
| Agastache nepetoides |
YELLOW GIANT HYSSOP |
| Agastache scrophulariaefolia |
PURPLE GIANT HYSSOP |
| Agrimonia pubescens |
SOFT AGRIMONY |
| Agropyron repens |
COUCH GRASS |
| Agropyron smithii |
COLORADO BLUESTEM |
| Agrostis alba |
RED TOP |
| Agrostis perennans |
AUTUMN BENT GRASS |
| Alisma plantago aquatica parviflorum |
COMMON WATER PLANTAIN |
| Allium canadense |
WILD GARLIC |
| Allium vineale |
FIELD GARLIC |
| Amaranthus hybridus |
GREEN AMARANTH |
| Amaranthus retroflexus |
ROUGH PIGWEED |
| Amaranthus tuberculatus |
TALL WATERHEMP |
| Ambrosia artemisiifolia |
BITTERWEED |
| Ambrosia psilostachya |
WESTERN RAGWEED |
| Ambrosia trifida |
BUFFALO WEED |
| Ammannia coccinea |
LONG-LEAVED AMMANNIA |
| Amorpha canescens |
LEAD PLANT |
| Amphicarpa bracteata |
HOG PEANUT |
| Amphicarpa bracteata comosa |
HOG PEANUT |
| Amsonia tabernaemontana |
BLUE STAR |
| Andropogon gerardii |
BIG BLUESTEM |
| Anemone virginiana |
TALL ANEMONE |
| Angelica atropurpurea |
ANGELICA |
| Antennaria plantaginifolia |
EVERLASTING |
| Anthemis cotula |
DOG FENNEL |
| Apocynum cannabinum |
DOGBANE |
| Apocynum sibiricum |
INDIAN HEMP |
| Aquilegia canadensis |
COLUMBINE |
| Arabis canadensis |
SICKLEPOD |
| Arabis shortii |
TOOTHED CRESS |
| Aralia nudicaulis |
WILD SARSAPARILLA |
| Aralia racemosa |
AMERICAN SPIKENARD |
| Arisaema dracontium |
GREEN DRAGON |
| Arisaema triphyllum |
INDIAN TURNIP |
| Aristida oligantha |
PLAINS THREE AWN GRASS |
| Armoracia aquatica |
LAKE CRESS |
| Armoracia rusticana |
HORSERADISH |
| Asclepias amplexicaulis |
SAND MILKWEED |
| Asclepias incarnata |
SWAMP MILKWEED |
| Asclepias quadrifolia |
WHORLED MILKWEED |
| Asclepias syriaca |
COMMON MILKWEED |
| Asclepias verticillata |
HORSETAIL MILKWEED |
| Asparagus officinalis |
GARDEN ASPARAGUS |
| Asplenium platyneuron |
EBONY SPLEENWORT |
| Aster anomalus |
BLUE ASTER |
| Aster drummondii |
DRUMMOND'S ASTER |
| Aster firmus |
GLOSSY-LEAF ASTER |
| Aster furcatus |
FORKED ASTER |
| Aster laevis |
SMOOTH ASTER |
| Aster lateriflorus |
SIDE-FLOWERED ASTER |
| Aster novae-angliae |
NEW ENGLAND ASTER |
| Aster pilosus |
HAIRY ASTER |
| Aster praealtus |
WILLOW-LEAVED ASTER |
| Aster puniceus |
SWAMP ASTER |
| Aster shortii |
SHORT'S ASTER |
| Aster simplex |
PANICLED ASTER |
| Athyrium angustum |
LADY FERN |
| Athyrium pycnocarpon |
GLADE FERN |
| Avena sativa |
CULTIVATED OATS |
| Baptisia lactea |
WHITE WILD INDIGO |
| Baptisia leucophaea |
CREAM WILD INDIGO |
| Berula erecta |
WATER PARSNIP |
| Bidens bipinnata |
SPANISH NEEDLES |
| Bidens cernua |
NODDING BEGGAR-TICKS |
| Bidens coronata |
BEGGAR-TICKS |
| Bidens frondosa |
COMMON BEGGAR-TICKS |
| Bidens vulgata |
STICKTIGHT |
| Blephilia hirsuta |
PAGODA PLANT |
| Boehmeria cylindrica |
FALSE NETTLE |
| Boltonia decurrens |
FALSE ASTER |
| Botrychium virginianum |
RATTLESNAKE FERN |
| Bouteloua curtipendula |
MESQUITE GRASS |
| Brachyelytrum erectum |
LONG-AWNED WOOD GRASS |
| Brassica nigra |
BLACK MUSTARD |
| Bromus commutatus |
HAIRY BROME |
| Bromus inermis |
AWNLESS BROME GRASS |
| Bromus nottowayanus |
BROME GRASS |
| Bromus pubescens |
CANADA BROME GRASS |
| Bromus tectorum |
CHEAT GRASS BROME |
| Buglossoides arvense |
CORN GROMWELL |
| Cacalia atriplicifolia |
PALE INDIAN PLANTAIN |
| Calamagrostis canadensis |
BLUEJOINT GRASS |
| Callirhoe triangulata |
POPPY MALLOW |
| Caltha palustris |
COWSLIP |
| Calystegia sepium americana |
AMERICAN BINDWEED |
| Calystegia sepium angulata |
HEDGE-BINDWEED |
| Campanula americana |
AMERICAN BELLFLOWER |
| Campanula uliginosa |
MARSH BELLFLOWER |
| Cannabis sativa |
HASHISH |
| Capsella bursa-pastoris |
SHEPERD'S-PURSE |
| Cardamine bulbosa |
BULB BITTERCRESS |
| Cardaria draba |
HOARY CRESS |
| Carduus nutans |
MUSK BRISTLE THISTLE |
| Carex blanda |
WOODLAND SEDGE |
| Carex brevior |
FESCUE SEDGE |
| Carex cephaloidea |
|
| Carex cephalophora |
|
| Carex conjuncta |
|
| Carex convoluta |
|
| Carex festucacea |
SEDGE |
| Carex gracilescens |
SEDGE |
| Carex grisea |
SEDGE |
| Carex hirsutella |
SEDGE |
| Carex hystricina |
BOTTLEBRUSH SEDGE |
| Carex jamesii |
GRASS SEDGE |
| Carex lacustris |
RIVER SEDGE |
| Carex lanuginosa |
WOOLY SEDGE |
| Carex leptalea |
BRISTLE STALKED SEDGE |
| Carex lupuliformis |
SEDGE |
| Carex lupulina |
HOP SEDGE |
| Carex muskingumensis |
SEDGE |
| Carex pensylvanica |
PENNSYLVANIA SEDGE |
| Carex retroflexa |
|
| Carex rosea |
|
| Carex scoparia |
BROOM SEDGE |
| Carex shortiana |
SEDGE |
| Carex sterilis |
SEDGE |
| Carex stipata |
PRICKLY SEDGE |
| Carex vulpinoidea |
FOX SEDGE |
| Carya cordiformis |
BITTERNUT HICKORY |
| Carya illinoensis |
PECAN |
| Carya ovata |
SCALY-BARK HICKORY |
| Cassia fasciculata |
GOLDEN CASSIA |
| Cassia hebecarpa |
WILD SENNA |
| Cassia marilandica |
MARYLAND SENNA |
| Castilleja coccinea |
INDIAN PAINTBRUSH |
| Caulophyllum thalictroides |
BLUE COHOSH |
| Ceanothus americanus |
NEW JERSEY TEA |
| Celastrus scandens |
BITTERSWEET |
| Celtis occidentalis |
HACKBERRY |
| Celtis occidentalis canina |
HACKBERRY |
| Cenchrus longispinus |
MAT SANDBUR |
| Cephalanthus occidentalis |
BUTTONBUSH |
| Cerastium nutans |
NODDING MOUSE-EAR CHICKWEED |
| Cerastium vulgatum |
COMMON MOUSE-EAR CHICKWEED |
| Ceratophyllum demersum |
COONTAIL |
| Cercis canadensis |
EASTERN REDBUD |
| Chaenorrhinum minus |
DWARF SNAPDRAGON |
| Chamaesyce supina |
MILK SPURGE |
| Chelone glabra |
WHITE TURTLEHEAD |
| Chenopodium album |
LAMB'S QUARTERS |
| Chenopodium ambrosioides |
AMERICAN WORMSEED |
| Chenopodium standleyanum |
GOOSEFOOT |
| Cichorium intybus |
BLUE SAILORS |
| Cicuta bulbifera |
BULBLET WATER HEMLOCK |
| Cicuta maculata |
WATER HEMLOCK |
| Cinna arundinacea |
STOUTWOOD REED |
| Circaea lutetiana canadensis |
ENCHANTER'S NIGHTSHADE |
| Cirsium arvense |
CANADA THISTLE |
| Cirsium discolor |
FIELD THISTLE |
| Cirsium muticum |
FEN THISTLE |
| Claytonia virginica |
SPRING BEAUTY |
| Clematis pitcheri |
LEATHER FLOWER |
| Conyza canadensis |
HORSEWEED |
| Coreopsis tripteris |
TALL COREOPSIS |
| Cornus drummondii |
ROUGH-LEAVED DOGWOOD |
| Cornus obliqua |
PALE DOGWOOD |
| Cornus racemosa |
GRAY DOGWOOD |
| Cornus stolonifera |
RED OSIER DOGWOOD |
| Corylus americana |
AMERICAN FILBERT |
| Crataegus crus-galli |
COCK-SPUR THORN |
| Crataegus mollis |
RED HAW |
| Cryptotaenia canadensis |
HONEWORT |
| Cucurbita foetidissima |
MISSOURI GOURD |
| Cuphea viscosissima |
BLUE WAXWEED |
| Cuscuta cephalanthi |
BUTTONBUSH DODDER |
| Cuscuta gronovii |
DODDER |
| Cycloloma atriplicifolium |
TUMBLE RINGWING |
| Cynanchum laeve |
BLUE VINE |
| Cynodon dactylon |
BAHAMA GRASS |
| Cynoglossum officinale |
COMMON HOUND'S TONGUE |
| Cyperus aristatus |
BEARDED FLAT SEDGE |
| Cyperus diandrus |
LOW FLAT SEDGE |
| Cyperus erythrorhizos |
RED-ROOTED SEDGE |
| Cyperus esculentus |
CHUFA |
| Cyperus filiculmis |
FERN FLATSEDGE |
| Cyperus filiculmis macilentus |
|
| Cyperus rivularis |
BROOK FLAT SEDGE |
| Cyperus schweinitzii |
SCHWEINITZ FLATSEDGE |
| Cyperus strigosus |
STRAW COLORED FLATSEDGE |
| Cypripedium X favillianum |
|
| Cypripedium candidum |
WHITE LADY'S-SLIPPER ORCHID |
| Cypripedium pubescens |
LG. YELLOW LADY-SLIPPER ORCHID |
| Cystopteris protrusa |
FRAGILE FERN |
| Dactylis glomerata |
ORCHARD GRASS |
| Dasistoma macrophylla |
MULLEIN FOXGLOVE |
| Datura stramonium |
JIMSONWEED |
| Daucus carota |
QUEEN-ANNE'S-LACE |
| Decodon verticillatus |
SWAMP LOOSESTRIFE |
| Dentaria laciniata |
PEPPER-ROOT |
| Descurainia pinnata brachycarpa |
TANSY MUSTARD |
| Desmodium canadense |
SHOWY TICK TREFOIL |
| Desmodium cuspidatum |
TICK TREFOIL |
| Desmodium paniculatum |
PANICLED TICK TREFOIL |
| Diarrhena americana obovata |
BEAK GRASS |
| Dicentra cucullaria |
DUTCHMAN'S-BREECHES |
| Dichanthelium acuminatum fasciculatum |
PANIC GRASS |
| Dichanthelium clandestinum |
BROAD-LEAVED PANIC GRASS |
| Dichanthelium leibergii |
|
| Dichanthelium oligosanthes |
|
| Dichanthelium oligosanthes scribnerianum |
SCRIBNER'S PANIC GRASS |
| Dichanthelium villosissimum praecocius |
|
| Digitaria sanguinalis |
HAIRY CRAB GRASS |
| Dioscorea villosa |
WILD YAM |
| Dodecatheon meadia |
SHOOTING STAR |
| Dryopteris carthusiana |
SPINULOSE WOODFERN |
| Dryopteris intermedia |
COMMON WOODFERN |
| Dyssodia papposa |
FETID MARIGOLD |
| Echinochloa muricata |
BARNYARD GRASS |
| Echinochloa muricata wiegandii |
BARNYARD GRASS |
| Echinochloa walteri |
SALT-MARSH COCKSPUR GRASS |
| Echinocystis lobata |
WILD BALSAM-APPLE |
| Eclipta prostrata |
YERBA DE TAJO |
| Eleocharis elliptica compressa |
FLAT-STEMMED SPIKE RUSH |
| Eleocharis erythropoda |
|
| Eleocharis intermedia |
MATTED SPIKE RUSH |
| Eleocharis palustris |
|
| Eleusine indica |
GOOSE GRASS |
| Ellisia nyctelea |
AUNT LUCY |
| Elodea canadensis |
ANACHARIS |
| Elymus canadensis |
CANADA WILD RYE |
| Elymus hystrix |
BOTTLEBRUSH GRASS |
| Elymus villosus |
HAIRY WILD RYE |
| Elymus virginicus |
LYME GRASS |
| Epilobium coloratum |
CINNAMON WILLOW HERB |
| Epilobium strictum |
DOWNY WILLOW HERB |
| Equisetum X litorale |
HORSETAIL |
| Equisetum arvense |
COMMON HORSETAIL |
| Equisetum fluviatile |
WATER HORSETAIL |
| Equisetum hyemale affine |
SCOURING RUSH |
| Equisetum laevigatum |
SMOOTH SCOURING RUSH |
| Eragrostis capillaris |
LACE GRASS |
| Eragrostis cilianensis |
STINK GRASS |
| Eragrostis frankii |
SANDBAR LOVE GRASS |
| Eragrostis hypnoides |
CREEPING LOVE GRASS |
| Eragrostis minor |
LOVE GRASS |
| Eragrostis pectinacea |
CAROLINA LOVE GRASS |
| Eragrostis spectabilis |
PURPLE LOVE GRASS |
| Erigeron annuus |
ANNUAL FLEABANE |
| Erigeron philadelphicus |
MARSH FLEABANE |
| Eriophorum angustifolium |
COTTON SEDGE |
| Eryngium yuccifolium |
RATTLESNAKE MASTER |
| Erysimum cheiranthoides |
WORMSEED MUSTARD |
| Erythronium albidum |
WHITE ADDER'S TONGUE |
| Euonymus atropurpureus |
BURNING BUSH |
| Eupatorium altissimum |
TALL BONESET |
| Eupatorium maculatum |
SPOTTED JOE PYE WEED |
| 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 |
| Euthamia graminifolia |
GRASSLEAF GOLDENROD |
| Fagopyrum esculentum |
BUCKWHEAT |
| Festuca pratensis |
ENGLISH BLUEGRASS |
| Filipendula rubra |
QUEEN OF THE PRAIRIE |
| Fimbristylis autumnalis |
AUTUMN SEDGE |
| Fragaria virginiana |
WILD STRAWBERRY |
| Fraxinus americana |
WHITE ASH |
| Fraxinus pennsylvanica |
GREEN ASH |
| Froelichia gracilis |
COTTONWEED |
| Galearis spectabilis |
SHOWY ORCHIS |
| Galium aparine |
ANNUAL BEDSTRAW |
| Galium circaezans |
WILD LICORICE |
| Galium concinnum |
SHINING BEDSTRAW |
| Galium triflorum |
SWEET-SCENTED BEDSTRAW |
| Gaura biennis |
BUTTERFLY-WEED |
| Gaura parviflora |
SMALL-FLOWERED GAURA |
| Geranium carolinianum |
WILD CRANESBILL |
| Geranium maculatum |
WILD GERANIUM |
| Geum canadense |
WHITE AVENS |
| Geum laciniatum |
ROUGH AVENS |
| Gleditsia triacanthos |
HONEY LOCUST |
| Glyceria striata |
FOWL MANNA GRASS |
| Gnaphalium obtusifolium |
CATFOOT |
| Gymnocladus dioicus |
KENTUCKY COFFEETREE |
| Hackelia virginiana |
STICKSEED |
| Hedeoma hispida |
ROUGH PENNYROYAL |
| Hedeoma pulegioides |
AMERICAN PENNYROYAL |
| Helenium autumnale |
AUTUMN SNEEZEWEED |
| Helianthus annuus |
COMMON SUNFLOWER |
| Helianthus divaricatus |
DIVERGENT SUNFLOWER |
| Helianthus grosseserratus |
SAWTOOTH SUNFLOWER |
| Helianthus hirsutus |
BRISTLY SUNFLOWER |
| Helianthus rigidus |
PRAIRIE SUNFLOWER |
| Helianthus strumosus |
PALE-LEAVED SUNFLOWER |
| Helianthus tuberosus |
JERUSALEM ARTICHOKE |
| Helianthus tuberosus subcanescens |
JERUSALEM ARTICHOKE |
| Heliopsis helianthoides |
FALSE SUNFLOWER |
| Hibiscus laevis |
HALBERD-LEAVED ROSE MALLOW |
| 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 |
| Hypericum mutilum |
DWARF ST. JOHNS-WORT |
| Hypericum perforatum |
COMMON ST. JOHNS-WORT |
| Hypericum punctatum |
SPOTTED ST. JOHNS-WORT |
| Hypericum pyramidatum |
GIANT ST. JOHNS-WORT |
| Hypericum sphaerocarpum |
ROUND-FRUITED ST. JOHNS-WORT |
| Hypoxis hirsuta |
COMMON GOLDSTARGRASS |
| Impatiens capensis |
JEWELWEED |
| Impatiens pallida |
PALE TOUCH-ME-NOT |
| Iodanthus pinnatifidus |
PURPLE ROCKET |
| Ipomoea lacunosa |
SMALL WHITE MORNING-GLORY |
| Ipomoea pandurata |
WILD SWEET POTATO VINE |
| Ipomopsis rubra |
STANDING CYPRESS |
| Iris shrevei |
SOUTHERN BLUE FLAG |
| Jeffersonia diphylla |
TWINLEAF |
| Juglans nigra |
BLACK WALNUT |
| Juncus brachycephalus |
SHORT-HEADED RUSH |
| Juncus dudleyi |
DUDLEY RUSH |
| Juncus nodosus |
JOINTED RUSH |
| Juncus tenuis |
PATH RUSH |
| Juncus torreyi |
TORREY RUSH |
| Juniperus virginiana |
EASTERN RED CEDAR |
| Justicia americana |
WATER WILLOW |
| Lactuca canadensis |
CANADA LETTUCE |
| Lactuca floridana |
BLUE LETTUCE |
| Lactuca saligna |
WILLOW-LEAVED LETTUCE |
| Lactuca serriola |
COMPASS PLANT |
| Leersia lenticularis |
CATCHFLY GRASS |
| 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 |
| Leucospora multifida |
|
| Lilium michiganense |
MICHIGAN LILY |
| Lindernia dubia |
FALSE PIMPERNEL |
| Liparis liliifolia |
LARGE TWAYBLADE |
| Liparis loeselii |
GREEN TWAYBLADE |
| Lithospermum canescens |
HOARY PUCCOON |
| Lithospermum caroliniense |
HAIRY PUCCOON |
| Lobelia cardinalis |
CARDINAL-FLOWER |
| Lobelia inflata |
INDIAN TOBACCO |
| Lobelia kalmii |
BOG LOBELIA |
| Lobelia siphilitica |
BLUE CARDINAL-FLOWER |
| Lolium perenne |
CRESTED RYE GRASS |
| Ludwigia palustris americana |
MARSH PURSLANE |
| Lycopus americanus |
COMMON WATER HOREHOUND |
| Lycopus uniflorus |
NOTHERN BUGLE WEED |
| Lycopus virginicus |
BUGLE WEED |
| Lysimachia X commixta |
LOOSESTRIFE |
| Lysimachia ciliata |
FRINGED LOOSESTRIFE |
| Lysimachia nummularia |
MONEYWORT |
| Lysimachia quadriflora |
NARROW-LEAVED LOOSESTRIFE |
| Lysimachia thyrsiflora |
TUFTED LOOSESTRIFE |
| Lysimachia vulgaris |
GARDEN LOOSESTRIFE |
| Lythrum alatum |
WINGED LOOSESTRIFE |
| Maclura pomifera |
HEDGE APPLE |
| Malus ioensis |
IOWA CRAB APPLE |
| Matricaria chamomilla |
GERMAN CHAMOMILE |
| 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 gentilis |
LITTLE-LEAVED MINT |
| Mentha X piperita |
PEPPERMINT |
| Mentha arvensis villosa |
FIELD MINT |
| Mertensia virginica |
BLUEBELLS |
| Mimulus ringens |
MONKEY FLOWER |
| Mirabilis nyctaginea |
WILD FOUR-O'CLOCK |
| Mollugo verticillatus |
CARPETWEED |
| Monarda fistulosa |
WILD BERGAMOT |
| Monotropa uniflora |
INDIAN PIPE |
| Morus alba |
WHITE MULBERRY |
| Morus alba tatarica |
RUSSIAN MULBERRY |
| Morus rubra |
RED MULBERRY |
| Muhlenbergia frondosa |
COMMON SATIN GRASS |
| Muhlenbergia mexicana |
LEAFY SATIN GRASS |
| Muhlenbergia schreberi |
NIMBLE WILL |
| Muhlenbergia sobolifera |
MUHLY |
| Nasturtium officinale |
TRUE WATER CRESS |
| Nepeta cataria |
CATNIP |
| Oenothera biennis |
EVENING PRIMROSE |
| Oenothera biennis canescens |
EVENING PRIMROSE |
| Oenothera pilosella |
PRAIRIE SUNDROPS |
| Oenothera rhombipetala |
SAND PRIMROSE |
| Onoclea sensibilis |
SENSITIVE FERN |
| Orobanche uniflora |
CANCER-ROOT |
| Osmorhiza claytonii |
SWEET CICELY |
| Ostrya virginiana |
HOP HORNBEAM |
| Oxalis dillenii |
YELLOW WOOD SORREL |
| Oxalis stricta |
YELLOW WOOD SORREL |
| Oxalis violacea |
PURPLE OXALIS |
| Oxypolis rigidior |
COWBANE |
| Panax quinquefolius |
GINSENG |
| Panicum capillare |
WITCH GRASS |
| Panicum virgatum |
PRAIRIE SWITCHGRASS |
| Parietaria pensylvanica |
PENNSYLVANIA PELLITORY |
| Paronychia canadensis |
FORKED CHICKWEED |
| Parthenium integrifolium |
AMERICAN FEVERFEW |
| Parthenocissus inserta |
VIRGINIA CREEPER |
| Parthenocissus quinquefolia |
VIRGINIA CREEPER |
| Pastinaca sativa |
PARSNIP |
| Pedicularis lanceolata |
SWAMP WOOD BETONY |
| Peltandra virginica |
ARROW ARUM |
| Penstemon digitalis |
FOXGLOVE BEARD-TONGUE |
| Penthorum sedoides |
DITCH STONECROP |
| Perilla frutescens |
BEEFSTEAK PLANT |
| Phalaris arundinacea |
REED CANARY GRASS |
| Phleum pratense |
TIMOTHY |
| Phlox divaricata laphamii |
BLUE PHLOX |
| Phlox glaberrima interior |
SMOOTH PHLOX |
| Phlox maculata |
WILD SWEET WILLIAM |
| Phlox paniculata |
GARDEN PHLOX |
| Phlox pilosa |
DOWNY PHLOX |
| Phragmites australis |
COMMON RED REED |
| Phyla lanceolata |
FOG-FRUIT |
| Physalis angulata |
GROUND CHERRY |
| Physostegia speciosa |
FALSE DRAGONHEAD |
| Pilea pumila |
CANADA CLEARWEED |
| Plantago aristata |
BRACTED PLANTAIN |
| Plantago lanceolata |
BUCKHORN |
| Plantago rugelii |
RED-STALKED PLANTAIN |
| Plantago virginica |
DWARF PLANTAIN |
| Platanthera hyperborea huronensis |
GREEN ORCHID |
| Platanus occidentalis |
BUTTONWOOD |
| Poa compressa |
CANADIAN BLUEGRASS |
| Poa pratensis |
KENTUCKY BLUEGRASS |
| Poa sylvestris |
WOODLAND BLUEGRASS |
| Podophyllum peltatum |
MAYAPPLE |
| Poinsettia cyanthophora |
WILD POINSETTIA |
| Poinsettia dentata |
WILD POINSETTIA |
| Polanisia dodecandra |
CLAMMYWEED |
| Polygala verticillata |
WHORLED MILKWORT |
| Polygonatum commutatum |
GREAT SOLOMON SEAL |
| Polygonum amphibium |
WATER SMARTWEED |
| Polygonum arenastrum |
KNOTWEED |
| Polygonum convolvulus |
BLACK BIRDWEED |
| Polygonum hydropiper |
COMMON SMARTWEED |
| Polygonum hydropiperoides |
MILD WATER PEPPER |
| Polygonum pensylvanicum laevigatum |
PENNSYLVANIA SMARTWEED |
| Polygonum persicaria |
SPOTTED LADY'S THUMB |
| Polygonum punctatum |
DOTTED SMARTWEED |
| Polygonum ramosissimum |
BUSHY KNOTWEED |
| Polygonum scandens |
CLIMBING BUCKWHEAT |
| Polymnia canadensis |
LEAFCUP |
| Populus alba |
WHITE POPLAR |
| Populus deltoides |
EASTERN COTTONWOOD |
| Populus tremuloides |
QUAKING ASPEN |
| Portulaca oleracea |
PURSLANE |
| Potamogeton crispus |
BEGINNER'S PONDWEED |
| Potamogeton pectinatus |
COMB PONDWEED |
| Potentilla norvegica |
ROUGH CINQUEFOIL |
| Potentilla simplex |
COMMON CINQUEFOIL |
| Prenanthes alba |
LION'S FOOT |
| Prenanthes crepidinea |
GREAT WHITE LETTUCE |
| Proboscidea louisianica |
DEVILSCLAW |
| Prunella vulgaris elongata |
SELF-HEAL |
| Prunus serotina |
WILD BLACK CHERRY |
| Prunus virginiana |
COMMON CHOKECHERRY |
| Ptelea trifoliata |
WAFER ASH |
| Pycnanthemum pilosum |
HAIRY MOUNTAIN MINT |
| Pycnanthemum virginianum |
COMMON MOUNTAIN MINT |
| Quercus alba |
WHITE OAK |
| Quercus imbricaria |
JACK OAK |
| Quercus macrocarpa |
BURR OAK |
| Quercus marilandica |
BLACKJACK OAK |
| Quercus rubra |
NORTHERN RED OAK |
| Quercus velutina |
BLACK OAK |
| Ranunculus abortivus |
LITTLE-LEAF BUTTERCUP |
| Ranunculus hispidus |
BRISTLY BUTTERCUP |
| Ranunculus sceleratus |
CURSED CROWFOOT |
| Ranunculus septentrionalis |
SWAMP BUTTERCUP |
| Rhamnus lanceolata |
LANCE-LEAVED BUCKTHORN |
| Rhus glabra |
SMOOTH SUMAC |
| Ribes americanum |
WILD BLACK CURRENT |
| Ribes missouriense |
MISSOURI GOOSEBERRY |
| Ribes odoratum |
BUFFALO CURRENT |
| Robinia pseudoacacia |
BLACK LOCUST |
| Rorippa islandica fernaldiana |
MARSH YELLOW CRESS |
| Rorippa sinuata |
SPREADING YELLOW CRESS |
| Rorippa sylvestris |
CREEPING YELLOW CRESS |
| Rosa blanda |
MEADOW ROSE |
| Rosa carolina |
PASTURE ROSE |
| Rosa multiflora |
JAPANESE ROSE |
| Rosa palustris |
SWAMPY ROSE |
| Rosa setigera |
ILLINOIS ROSE |
| Rosa suffulta |
SUNSHINE ROSE |
| Rubus pensylvanicus |
BLACKBERRY |
| Rudbeckia hirta |
BLACK-EYED SUSAN |
| Rudbeckia laciniata |
CUTLEAF CONEFLOWER |
| Rudbeckia subtomentosa |
FRAGRANT CONEFLOWER |
| Rudbeckia triloba |
BROWN-EYED SUSAN |
| Ruellia humilis |
HAIRY RUELLIA |
| Rumex acetosella |
COMMON SORREL |
| Rumex altissimus |
PALE DOCK |
| Rumex crispus |
CURLY DOCK |
| Rumex orbiculatus |
GREAT WATER DOCK |
| Rumex patientia |
PATIENCE DOCK |
| Rumex verticillatus |
SWAMP DOCK |
| Sagittaria brevirostra |
ARROWLEAF |
| Sagittaria latifolia |
ARROWHEAD |
| Salix alba |
WHITE WILLOW |
| Salix amygdaloides |
PEACH-LEAVED WILLOW |
| Salix discolor |
PUSSY WILLOW |
| Salix exigua |
SANDBAR WILLOW |
| Salix nigra |
BLACK WILLOW |
| Salix pedicellaris hypoglauca |
BOG WILLOW |
| Salvia reflexa |
ROCKY MOUNTAIN SAGE |
| 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 |
| Saxifraga pensylvanica |
SWAMP SAXIFRAGE |
| Scirpus atrovirens |
DARK GREEN RUSH |
| Scirpus fluviatilis |
RIVER BULRUSH |
| Scirpus micranthus |
|
| Scirpus pendulus |
RED BULRUSH |
| Scirpus tabernaemontanii |
GREAT BULRUSH |
| Scleria verticillata |
LOW NUT RUSH |
| Scrophularia lanceolata |
EARLY FIGWORT |
| Scrophularia marilandica |
LATE FIGWORT |
| Scutellaria lateriflora |
MAD-DOG SKULLCAP |
| Scutellaria leonardii |
SMALL SKULLCAP |
| Scutellaria nervosa |
VEINY SKULLCAP |
| Scutellaria ovata |
HEART-LEAVED SKULLCAP |
| Senecio plattensis |
PRAIRIE GROUNDSEL |
| Setaria faberi |
GIANT FOXTAIL |
| Setaria glauca |
PIGEON GRASS |
| Setaria viridis |
COMMON FOXTAIL |
| Sicyos angulatus |
BUR CUCUMBER |
| Sida spinosa |
PRICKLY SIDA |
| Silene antirrhina |
SLEEPY CATCHFLY |
| Silene nivea |
SNOW CAMPION |
| Silene stellata |
STARRY CAMPION |
| Silphium integrifolium |
WHOLELEAF ROSINWEED |
| Silphium laciniatum |
COMPASS-PLANT |
| Silphium perfoliatum |
CUP PLANT |
| Silphium terebinthinaceum |
DOCK ROSIN-WEED |
| Sisymbrium altissimum |
TUMBLE MUSTARD |
| Sisymbrium officinale |
HEDGE MUSTARD |
| Sium suave |
WATER PARSNIP |
| Smilacina racemosa |
FALSE SOLOMON SEAL |
| Smilax hispida |
BRISTLY GREENBRIER |
| Smilax lasioneuron |
COMMON CARRION FLOWER |
| Solanum carolinense |
HORSE-NETTLE |
| Solanum cornutum |
BUFFALO-BUR |
| Solanum ptycanthum |
BLACK NIGHTSHADE |
| Solidago canadensis |
CANADA GOLDENROD |
| Solidago gigantea |
LATE GOLDENROD |
| Solidago juncea |
EARLY GOLDENROD |
| Solidago nemoralis |
DYERSWEED GOLDENROD |
| Solidago ohioensis |
OHIO GOLDENROD |
| Solidago patula |
ROUGH-LEAF GOLDENROD |
| Solidago riddellii |
RIDDELL'S GOLDENROD |
| Solidago speciosa |
SHOWY GOLDENROD |
| Solidago uliginosa |
BOG GOLDENROD |
| Solidago ulmifolia |
ELM-LEAVED GOLDENROD |
| Sonchus arvensis glabrescens |
|
| Sorghastrum nutans |
INDIAN GRASS |
| Sparganium eurycarpum |
BURREED |
| Spartina pectinata |
FRESHWATER CORD GRASS |
| Sphenopholis obtusata major |
WEDGE GRASS |
| Spiranthes lacera |
SLENDER LADIES' TRESSES |
| Spiranthes lucida |
YELLOW-LIPPED LADIES' TRESSES |
| Spirodela polyrhiza |
BIG DUCKWEED |
| Sporobolus asper |
DROP SEED |
| Sporobolus cryptandrus |
SAND DROPSEED |
| Stachys palustris homotricha |
WOUNDWORT |
| Stachys tenuifolia |
SLENDERLEAF BETONY |
| Staphylea trifolia |
BLADDERNUT |
| Stellaria media |
COMMON CHICKWEED |
| Stipa spartea |
NEEDLE GRASS |
| Strophostyles helvola |
WILD BEAN |
| Symplocarpus foetidus |
SKUNK CABBAGE |
| Taenidia integerrima |
YELLOW PIMPERNEL |
| Tanacetum vulgare |
COMMON TANSY |
| Taraxacum officinale |
COMMON DANDELION |
| Teucrium canadense boreale |
GRAY GERMANDER |
| Teucrium canadense virginicum |
AMERICAN GERMANDER |
| Thalictrum revolutum |
WAXY MEADOW RUE |
| Thelypteris palustris pubescens |
MARSH FERN |
| Thlaspi arvense |
FIELD PENNY CRESS |
| Tilia americana |
AMERICAN LINDEN |
| Toxicodendron radicans |
POISON IVY |
| Toxicodendron vernix |
POISON SUMAC |
| Tradescantia ohiensis |
SPIDERWORT |
| Tragopogon dubius |
GOAT'S BEARD |
| Tridens flavus |
FALSE RED TOP |
| Trifolium arvense |
RABBIT-FOOT CLOVER |
| Trifolium hybridum |
ALSIKE CLOVER |
| Trifolium pratense |
RED CLOVER |
| Trifolium repens |
WHITE CLOVER |
| Trillium recurvatum |
RED TRILLIUM |
| Triodanis perfoliata |
VENUS' LOOKING-GLASS |
| Triosteum illinoense |
ILLINOIS HORSE GENTIAN |
| Triosteum perfoliatum |
LATE HORSE GENTIAN |
| Triphora trianthophora |
NODDING POGONIA |
| Typha latifolia |
CATTAIL |
| Ulmus americana |
AMERICAN ELM |
| Ulmus rubra |
SLIPPERY ELM |
| Urtica dioica |
STINGING NETTLE |
| Uvularia grandiflora |
BIG MERRY BELLS |
| Verbascum thapsus |
WOOLLY MULLEIN |
| Verbena X perriana |
|
| Verbena bracteata |
CREEEPING VERVAIN |
| Verbena hastata |
BLUE VERVAIN |
| Verbena stricta |
HOARY VERVAIN |
| Verbena urticifolia |
WHITE VERVIAN |
| Verbesina alternifolia |
WING STEM |
| Vernonia fasciculata |
COMMON IRONWEED |
| Vernonia missurica |
MISSOURI IRONWEED |
| Veronica arvensis |
CORN SPEEDWELL |
| Veronica catenata |
WATER SPEEDWELL |
| Veronica peregrina |
PURSLANE SPEEDWELL |
| Veronica scutellata |
MARSH SPEEDWELL |
| Veronicastrum virginicum |
CULVER'S ROOT |
| Viburnum lentago |
NANNYBERRY |
| Viburnum prunifolium |
BLACK HAW |
| Viburnum rafinesquianum |
DOWNY ARROWWOOD |
| Viburnum trilobum |
HIGH-BUSH CRANBERRY |
| Vicia villosa |
WINTER VETCH |
| Viola sororia |
WOOLLY BLUE VIOLET |
| Vitis cinerea |
WINTER GRAPE |
| Vitis riparia |
RIVERVBANK GRAPE |
| Vulpia octoflora |
SIX-WEEKS FESCUE |
| Wolffia columbiana |
COMMON WATERMEAL |
| Wolffia punctata |
WATER-MEAL |
| Woodsia obtusa |
COMMON WOODSIA |
| Xanthium strumarium canadensis |
COCKLE BUR |
| Zannichellia palustris |
COMMON POOLMAT |
| Zanthoxylum americanum |
PRICKLY ASH |
| Zizania aquatica |
GIANT WILD RICE |