| 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 |
| Adiantum pedatum |
MAIDENHAIR FERN |
| Aesculus glabra |
OHIO BUCKEYE |
| Agalinis gattingeri |
ROUND-STEMMED FALSE FOXGLOVE |
| Agalinis tenuifolia |
SLENDER FALSE FOXGLOVE |
| Agastache nepetoides |
YELLOW GIANT HYSSOP |
| Agastache scrophulariaefolia |
PURPLE GIANT HYSSOP |
| Agrimonia gryposepala |
TALL AGRIMONY |
| Agrimonia parviflora |
SWAMP AGRIMONY |
| Agrimonia pubescens |
SOFT AGRIMONY |
| Agrimonia rostellata |
WOODLAND AGRIMONY |
| Agropyron repens |
COUCH GRASS |
| Agrostis alba |
RED TOP |
| Agrostis hyemalis |
HAIR 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 hybridus |
GREEN AMARANTH |
| Amaranthus retroflexus |
ROUGH PIGWEED |
| Ambrosia artemisiifolia |
BITTERWEED |
| Ambrosia trifida |
BUFFALO WEED |
| Amelanchier arborea |
JUNEBERRY |
| Amorpha canescens |
LEAD PLANT |
| Amphicarpa bracteata |
HOG PEANUT |
| Amphicarpa bracteata comosa |
HOG PEANUT |
| Andropogon gerardii |
BIG BLUESTEM |
| Anemone virginiana |
TALL ANEMONE |
| Antennaria neglecta |
CAT'S FOOT |
| Antennaria plantaginifolia |
EVERLASTING |
| Antennaria plantaginifolia ambigens |
EVERLASTING |
| Anthemis cotula |
DOG FENNEL |
| Apios americana |
GROUNDNUT |
| Apocynum androsaemifolium |
SPREADING DOGBANE |
| Apocynum cannabinum |
DOGBANE |
| Apocynum sibiricum |
INDIAN HEMP |
| Aquilegia canadensis |
COLUMBINE |
| Arabis canadensis |
SICKLEPOD |
| Arctium lappa |
GREAT BURDOCK |
| Arctium minus |
COMMON BURDOCK |
| Arisaema triphyllum |
INDIAN TURNIP |
| Aristida oligantha |
PLAINS THREE AWN GRASS |
| Arrhenatherum elatius |
TALL OAT GRASS |
| Artemisia annua |
ANNUAL WORMWOOD |
| Artemisia ludoviciana gnaphalodes |
|
| Aruncus dioicus |
GOAT'S-BEARD |
| Asarum canadense |
CANADA WILD GINGER |
| Asarum canadense reflexum |
CANADA WILD GINGER |
| Asclepias hirtella |
TALL GREEN MILKWEED |
| Asclepias incarnata |
SWAMP MILKWEED |
| Asclepias purpurascens |
PURPLE MILKWEED |
| Asclepias quadrifolia |
WHORLED MILKWEED |
| Asclepias sullivantii |
PRAIRIE MILKWEED |
| Asclepias syriaca |
COMMON MILKWEED |
| Asclepias verticillata |
HORSETAIL MILKWEED |
| Asparagus officinalis |
GARDEN ASPARAGUS |
| Aster azureus |
AZURE ASTER |
| Aster drummondii |
DRUMMOND'S ASTER |
| Aster ericoides |
HEATH ASTER |
| Aster laevis |
SMOOTH ASTER |
| Aster lateriflorus |
SIDE-FLOWERED ASTER |
| Aster novae-angliae |
NEW ENGLAND ASTER |
| Aster ontarionis |
ONTARIO ASTER |
| Aster parviceps |
ASTER |
| Aster pilosus |
HAIRY ASTER |
| Aster praealtus |
WILLOW-LEAVED ASTER |
| Aster sagittifolius |
ARROW ASTER |
| Aster schreberi |
SCHREBER'S ASTER |
| Aster shortii |
SHORT'S ASTER |
| Aster simplex |
PANICLED ASTER |
| Astragalus canadensis |
CANADIAN MILK VETCH |
| Athyrium angustum |
LADY FERN |
| Athyrium thelypterioides |
SILVERY SPLEENWORT |
| Atriplex patula |
FAT-HEN SALTBUSH |
| Aureolaria grandiflora pulchra |
YELLOW FALSE FOXGLOVE |
| Avena sativa |
CULTIVATED OATS |
| Baptisia lactea |
WHITE WILD INDIGO |
| Barbarea vulgaris arcuata |
WINTER CRESS |
| Bidens aristosa retrorsa |
|
| Bidens cernua |
NODDING BEGGAR-TICKS |
| Bidens frondosa |
COMMON BEGGAR-TICKS |
| Bidens tripartita |
BEGGARTICK |
| Bidens vulgata |
STICKTIGHT |
| Blephilia hirsuta |
PAGODA PLANT |
| Boehmeria cylindrica |
FALSE NETTLE |
| Boltonia asteroides |
FALSE ASTER |
| Botrychium dissectum obliquum |
BRONZE FERN |
| Botrychium virginianum |
RATTLESNAKE FERN |
| Brassica juncea |
CHINESE MUSTARD |
| Brassica nigra |
BLACK MUSTARD |
| Brickellia eupatorioides |
FALSE BONESET |
| Bromus arvensis |
CHESS |
| Bromus commutatus |
HAIRY BROME |
| Bromus inermis |
AWNLESS BROME GRASS |
| Bromus pubescens |
CANADA BROME GRASS |
| Bromus purgans |
BROME GRASS |
| Bromus secalinus |
CHEAT |
| Bromus tectorum |
CHEAT GRASS BROME |
| Buchloe dactyloides |
BUFFALO GRASS |
| Cacalia atriplicifolia |
PALE INDIAN PLANTAIN |
| Callirhoe triangulata |
POPPY MALLOW |
| Caltha palustris |
COWSLIP |
| Calystegia sepium americana |
AMERICAN BINDWEED |
| Calystegia spithamaea |
DWARF BINDWEED |
| Camassia scilloides |
WILD HYACINTH |
| Campanula americana |
AMERICAN BELLFLOWER |
| Campsis radicans |
TRUMPET CREEPER |
| Cannabis sativa |
HASHISH |
| Capsella bursa-pastoris |
SHEPERD'S-PURSE |
| Cardamine bulbosa |
BULB BITTERCRESS |
| Cardamine pensylvanica |
BITTER CRESS |
| Cardaria draba |
HOARY CRESS |
| Carduus nutans |
MUSK BRISTLE THISTLE |
| Carex annectens xanthocarpa |
SEDGE |
| Carex artitecta |
SEDGE |
| Carex bicknellii |
BICKNELL SEDGE |
| Carex blanda |
WOODLAND SEDGE |
| Carex brevior |
FESCUE SEDGE |
| Carex cephalophora |
|
| Carex conjuncta |
|
| Carex cristatella |
SEDGE |
| Carex davisii |
DAVIS SEDGE |
| Carex emoryi |
EMORY SEDGE |
| Carex frankii |
SEDGE |
| Carex granularis |
MEADOW SEDGE |
| Carex gravida |
HEAVY SEDGE |
| Carex grisea |
SEDGE |
| Carex hystricina |
BOTTLEBRUSH SEDGE |
| Carex leavenworthii |
|
| Carex lurida |
SEDGE |
| Carex normalis |
SEDGE |
| Carex pensylvanica |
PENNSYLVANIA SEDGE |
| Carex rosea |
|
| Carex scoparia |
BROOM SEDGE |
| Carex stipata |
PRICKLY SEDGE |
| Carex tribuloides |
SEDGE |
| Carex trichocarpa |
SEDGE |
| Carex vesicaria |
BLISTER SEDGE |
| Carex vulpinoidea |
FOX SEDGE |
| Carya cordiformis |
BITTERNUT HICKORY |
| Carya ovata |
SCALY-BARK HICKORY |
| Carya tomentosa |
MOCKERNUT HICKORY |
| Cassia fasciculata |
GOLDEN CASSIA |
| 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 |
| Cerastium nutans |
NODDING MOUSE-EAR CHICKWEED |
| Cerastium vulgatum |
COMMON MOUSE-EAR CHICKWEED |
| Ceratophyllum demersum |
COONTAIL |
| Cercis canadensis |
EASTERN REDBUD |
| Chaenorrhinum minus |
DWARF SNAPDRAGON |
| Chaerophyllum procumbens |
WILD CHERVIL |
| Chamaesyce maculata |
NODDING SPURGE |
| Chamaesyce supina |
MILK SPURGE |
| Chenopodium album |
LAMB'S QUARTERS |
| Chenopodium gigantospermum |
MAPLE-LEAVED GOOSEFOOT |
| Cichorium intybus |
BLUE SAILORS |
| Cicuta maculata |
WATER HEMLOCK |
| Cinna arundinacea |
STOUTWOOD REED |
| Circaea lutetiana canadensis |
ENCHANTER'S NIGHTSHADE |
| Cirsium altissimum |
TALL THISTLE |
| Cirsium arvense |
CANADA 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 |
| Convolvulus arvensis |
FIELD BINDWEED |
| Conyza canadensis |
HORSEWEED |
| Coreopsis palmata |
PRAIRIE COREOPSIS |
| Coreopsis tripteris |
TALL COREOPSIS |
| Cornus racemosa |
GRAY DOGWOOD |
| Coronilla varia |
CROWN VETCH |
| Corydalis micrantha |
SLENDER CORYDALIS |
| Corylus americana |
AMERICAN FILBERT |
| Crataegus mollis |
RED HAW |
| Crataegus punctata |
DOTTED THORN |
| Crataegus succulenta |
HAWTHORN |
| Croton glandulosus septentrionalis |
SAND CROTON |
| Cryptotaenia canadensis |
HONEWORT |
| Cynoglossum officinale |
COMMON HOUND'S TONGUE |
| Cyperus esculentus |
CHUFA |
| Cyperus flavescens |
|
| Cyperus strigosus |
STRAW COLORED FLATSEDGE |
| Cypripedium reginae |
SHOWY LADY'S-SLIPPER ORCHID |
| Cystopteris X tennesseensis |
TENNESSEE FRAGILE FERN |
| Cystopteris protrusa |
FRAGILE FERN |
| Dactylis glomerata |
ORCHARD GRASS |
| Dalea purpurea |
PURPLE PRAIRIE CLOVER |
| 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 cuspidatum |
TICK TREFOIL |
| Desmodium glabellum |
TICK TREFOIL |
| Desmodium glutinosum |
BEGGAR'S LICE |
| Desmodium illinoense |
ILLINOIS TICK TREFOIL |
| Dianthus armeria |
DEPTFORD PINK |
| Diarrhena americana obovata |
BEAK GRASS |
| Dicentra cucullaria |
DUTCHMAN'S-BREECHES |
| Dichanthelium acuminatum fasciculatum |
PANIC GRASS |
| Dichanthelium leibergii |
|
| Dichanthelium villosissimum praecocius |
|
| Digitaria ischaemum |
SMOOTH CRAB GRASS |
| Digitaria sanguinalis |
HAIRY CRAB GRASS |
| Dioscorea villosa |
WILD YAM |
| Dryopteris carthusiana |
SPINULOSE WOODFERN |
| Echinacea pallida |
PALE PURPLE CONEFLOWER |
| Echinacea purpurea |
BROAD-LEAVED PURPLE CONEFLOWER |
| Echinochloa muricata |
BARNYARD GRASS |
| Echinochloa muricata wiegandii |
BARNYARD GRASS |
| Echinodorus berteroi lanceolatus |
BURHEAD |
| 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 |
| 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 pectinacea |
CAROLINA LOVE GRASS |
| Eragrostis spectabilis |
PURPLE LOVE GRASS |
| Erechtites hieracifolia |
FIRE WEED |
| Erigeron annuus |
ANNUAL FLEABANE |
| Erigeron philadelphicus |
MARSH FLEABANE |
| Erigeron pulchellus |
ROBIN'S PLANTAIN |
| Eryngium yuccifolium |
RATTLESNAKE MASTER |
| Erythronium albidum |
WHITE ADDER'S TONGUE |
| Euonymus atropurpureus |
BURNING BUSH |
| Eupatorium altissimum |
TALL BONESET |
| Eupatorium perfoliatum |
COMMON BONESET |
| Eupatorium purpureum |
GREEN-STEMMED JOE-PYE WEED |
| Eupatorium rugosum |
WHITE SNAKEROOT |
| Eupatorium serotinum |
LATE BONESET |
| Euphorbia corollata |
FLOWERING SPURGE |
| Euphorbia cyparissias |
CYPRESS SPURGE |
| Euphorbia esula |
LEAFY SPURGE |
| Euthamia graminifolia |
GRASSLEAF GOLDENROD |
| Festuca obtusa |
NODDING FESCUE |
| Festuca pratensis |
ENGLISH BLUEGRASS |
| Floerkea proserpinacoides |
FALSE MERMAID |
| Fragaria virginiana |
WILD STRAWBERRY |
| Fraxinus americana |
WHITE ASH |
| Fraxinus quadrangulata |
BLUE ASH |
| Galearis spectabilis |
SHOWY ORCHIS |
| Galinsoga quadriradiata |
PERUVIAN DAISY |
| Galium aparine |
ANNUAL BEDSTRAW |
| Galium circaezans |
WILD LICORICE |
| Galium concinnum |
SHINING BEDSTRAW |
| Galium obtusum |
WILD MADDER |
| Galium trifidum |
SMALL 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 |
| Glycyrrhiza lepidota |
WILD LICORICE |
| Gnaphalium obtusifolium |
CATFOOT |
| Hackelia virginiana |
STICKSEED |
| Hedeoma pulegioides |
AMERICAN PENNYROYAL |
| Hedyotis crassifolia |
TINY BLUETS |
| Helenium autumnale |
AUTUMN SNEEZEWEED |
| Helianthemum bicknellii |
FROSTWEED |
| Helianthus annuus |
COMMON SUNFLOWER |
| Helianthus grosseserratus |
SAWTOOTH SUNFLOWER |
| Helianthus mollis |
ASHY SUNFLOWER |
| Helianthus occidentalis |
WESTERN SUNFLOWER |
| Helianthus petiolaris |
KANSAS SUNFLOWER |
| Helianthus rigidus |
PRAIRIE 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 |
| Heracleum lanatum |
COW PARSNIP |
| Heterotheca latifolia |
CAMPHORWEED |
| Heuchera richardsonii grayana |
PRAIRIE ALUMROOT |
| Hibiscus trionum |
FLOWER-OF-AN-HOUR |
| Hieracium longipilum |
HAIRY HAWKWEED |
| Hieracium scabrum |
HAIRY HAWKWEED |
| Holcus lanatus |
VELVET GRASS |
| Hordeum jubatum |
FOX-TAIL BARLEY |
| Hordeum pusillum |
LITTLE BARLEY |
| Humulus japonicus |
JAPANESE HOPS |
| Humulus lupulus |
COMMON HOPS |
| Hydrastis canadensis |
GOLDEN SEAL |
| Hydrophyllum appendiculatum |
GREAT WATERLEAF |
| Hydrophyllum virginianum |
VIRGINIA WATERLEAF |
| 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 |
| Ipomoea pandurata |
WILD SWEET POTATO VINE |
| Isopyrum biternatum |
FALSE RUE ANEMONE |
| Juglans cinerea |
BUTTERNUT |
| Juglans nigra |
BLACK WALNUT |
| Juncus dudleyi |
DUDLEY RUSH |
| Juncus interior |
INLAND RUSH |
| Juncus tenuis |
PATH RUSH |
| Juncus torreyi |
TORREY RUSH |
| Juniperus virginiana |
EASTERN RED CEDAR |
| Justicia americana |
WATER WILLOW |
| Kochia scoparia |
BELVEDERE SUMMER CYPRESS |
| Koeleria macrantha |
CRESTED HAIR GRASS |
| Krigia biflora |
FALSE DANDELOIN |
| Lactuca canadensis |
CANADA LETTUCE |
| Lactuca floridana |
BLUE LETTUCE |
| Lactuca saligna |
WILLOW-LEAVED LETTUCE |
| Lactuca serriola |
COMPASS PLANT |
| Lamium amplexicaule |
HENBIT |
| Laportea canadensis |
CANADA WOOD NETTLE |
| Lappula echinata |
BEGGAR'S LICE |
| Leersia oryzoides |
RICE CUTGRASS |
| Leersia virginica |
WHITE GRASS |
| Lemna gibba |
SWOLLEN DUCKWEED |
| Lemna minor |
COMMON DUCKWEED |
| Lemna trisulca |
IVY-LEAVED DUCKWEED |
| Leonurus cardiaca |
MOTHERWORT |
| Lepidium campestre |
FIELD CRESS |
| Lepidium densiflorum |
PEPPERGRASS |
| Lepidium virginicum |
COMMON PEPPERGRASS |
| Lespedeza capitata |
BUSH CLOVER |
| Lespedeza violacea |
VIOLET BUSH CLOVER |
| Lespedeza virginica |
SLENDER BUSH CLOVER |
| Leucanthemum vulgare |
COMMON TANSY |
| Liatris aspera |
ROUGH BLAZING STAR |
| Liatris pycnostachya |
BUTTON SNAKEROOT |
| Lilium michiganense |
MICHIGAN LILY |
| Linaria vulgaris |
BUTTER-AND-EGGS |
| Lindernia dubia |
FALSE PIMPERNEL |
| Lindernia dubia anagallidea |
SLENDER FALSE PIMPERNEL |
| Liparis liliifolia |
LARGE TWAYBLADE |
| Lithospermum canescens |
HOARY PUCCOON |
| Lobelia inflata |
INDIAN TOBACCO |
| Lobelia siphilitica |
BLUE CARDINAL-FLOWER |
| Lobelia spicata |
SPIKED LOBELIA |
| Lobelia spicata leptostachys |
SPIKED LOBELIA |
| Lonicera X bella |
HONEYSUCKLE |
| Lonicera prolifera |
GRAPE HONEYSUCKLE |
| Lotus corniculatus |
BIRDSFOOT-TREFOIL |
| Lychnis alba |
EVENING CAMPION |
| Lycopus americanus |
COMMON WATER HOREHOUND |
| Lycopus rubellus |
STALKED WATER HOREHOUND |
| Lycopus virginicus |
BUGLE WEED |
| Lysimachia ciliata |
FRINGED LOOSESTRIFE |
| Lysimachia nummularia |
MONEYWORT |
| Lythrum alatum |
WINGED LOOSESTRIFE |
| Maclura pomifera |
HEDGE APPLE |
| Malus ioensis |
IOWA CRAB APPLE |
| Malva neglecta |
CHEESES |
| Matricaria chamomilla |
GERMAN CHAMOMILE |
| Matricaria matricarioides |
PINEAPPLE WEED |
| Medicago lupulina |
BLACK MEDIC |
| Medicago sativa |
ALFALFA |
| Melanthium virginicum |
BUNCH FLOWER |
| Melica nitens |
THREE-FLOWERED MELIC GRASS |
| Melilotus alba |
WHITE SWEET CLOVER |
| Melilotus officinalis |
YELLOW SWEET CLOVER |
| Menispermum canadense |
MOONSEED |
| Mentha arvensis villosa |
FIELD MINT |
| Mentha spicata |
SPEARMINT |
| Mertensia virginica |
BLUEBELLS |
| Mimulus ringens |
MONKEY FLOWER |
| Mirabilis nyctaginea |
WILD FOUR-O'CLOCK |
| Miscanthus sacchariflorus |
PLUME GRASS |
| Moehringia lateriflora |
BLUNTLEAF SANDWORT |
| Mollugo verticillatus |
CARPETWEED |
| Monarda fistulosa |
WILD BERGAMOT |
| Monotropa uniflora |
INDIAN PIPE |
| Morus alba |
WHITE MULBERRY |
| Morus rubra |
RED MULBERRY |
| Muhlenbergia frondosa |
COMMON SATIN GRASS |
| Muhlenbergia mexicana |
LEAFY SATIN GRASS |
| Muhlenbergia sobolifera |
MUHLY |
| Myriophyllum exalbescens |
SPIKED WATER MILFOIL |
| Najas flexilis |
BUSHY PONDWEED |
| Najas guadalupensis |
SOUTHERN NAIAD |
| Napaea dioica |
GLADE MALLOW |
| Nepeta cataria |
CATNIP |
| Nymphaea tuberosa |
WHITE WATER LILY |
| Oenothera biennis |
EVENING PRIMROSE |
| Onoclea sensibilis |
SENSITIVE FERN |
| Orobanche uniflora |
CANCER-ROOT |
| Osmorhiza longistylis |
ANISE-ROOT |
| 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 virgatum |
PRAIRIE SWITCHGRASS |
| Parietaria pensylvanica |
PENNSYLVANIA PELLITORY |
| Parthenocissus inserta |
VIRGINIA CREEPER |
| Parthenocissus quinquefolia |
VIRGINIA CREEPER |
| Pastinaca sativa |
PARSNIP |
| Pedicularis canadensis |
LOUSEWORT |
| Penstemon digitalis |
FOXGLOVE BEARD-TONGUE |
| Penstemon pallidus |
PALE BEARD-TONGUE |
| Penthorum sedoides |
DITCH STONECROP |
| Phalaris arundinacea |
REED CANARY GRASS |
| Phleum pratense |
TIMOTHY |
| Phlox divaricata laphamii |
BLUE PHLOX |
| Phlox glaberrima interior |
SMOOTH PHLOX |
| Phlox paniculata |
GARDEN PHLOX |
| Phlox pilosa |
DOWNY PHLOX |
| Phragmites australis |
COMMON RED REED |
| Phryma leptostachya |
LOPSEED |
| Phyla lanceolata |
FOG-FRUIT |
| Physalis heterophylla |
GROUND CHERRY |
| Physalis pubescens |
ANNUAL GROUND CHERRY |
| Physalis subglabrata |
SMOOTH GROUND CHERRY |
| Physalis virginiana |
GROUND CHERRY |
| Physocarpus opulifolius |
COMMON NINEBARK |
| Phytolacca americana |
POKEWEED |
| Pilea pumila |
CANADA CLEARWEED |
| Plantago aristata |
BRACTED PLANTAIN |
| Plantago lanceolata |
BUCKHORN |
| Plantago rugelii |
RED-STALKED PLANTAIN |
| Plantago virginica |
DWARF PLANTAIN |
| Platanthera leucophaea |
PRAIRIE WHITE FRINGED ORCHID |
| Platanus occidentalis |
BUTTONWOOD |
| Poa annua |
ANNUAL BLUEGRASS |
| 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 sanguinea |
FIELD MILKWORT |
| Polygala verticillata |
WHORLED MILKWORT |
| Polygonatum commutatum |
GREAT SOLOMON SEAL |
| Polygonum amphibium |
WATER SMARTWEED |
| Polygonum arenastrum |
KNOTWEED |
| Polygonum convolvulus |
BLACK BIRDWEED |
| Polygonum cuspidatum |
JAPANESE FLEECE FLOWER |
| Polygonum hydropiperoides |
MILD WATER PEPPER |
| Polygonum lapathifolium |
CURTTOP LADY'S THUMB |
| Polygonum pensylvanicum laevigatum |
PENNSYLVANIA SMARTWEED |
| Polygonum persicaria |
SPOTTED LADY'S THUMB |
| Polygonum punctatum |
DOTTED SMARTWEED |
| Polygonum sagittatum |
ARROWLEAF TEARTHUMB |
| Polygonum scandens |
CLIMBING BUCKWHEAT |
| Polygonum virginianum |
VIRGINIA KNOTWEED |
| Populus deltoides |
EASTERN COTTONWOOD |
| Populus grandidentata |
BIG-TOOTH ASPEN |
| Portulaca oleracea |
PURSLANE |
| Potamogeton crispus |
BEGINNER'S PONDWEED |
| Potamogeton foliosus |
LEAFY PONDWEED |
| Potamogeton illinoensis |
ILLINOIS PONDWEED |
| Potamogeton nodosus |
AMERICAN PONDWEED |
| Potamogeton pectinatus |
COMB PONDWEED |
| Potamogeton pusillus |
BABY PONDWEED |
| Potentilla arguta |
PRAIRIE CINQUEFOIL |
| Potentilla norvegica |
ROUGH CINQUEFOIL |
| Potentilla recta |
SULFUR CINQUEFOIL |
| Potentilla simplex |
COMMON CINQUEFOIL |
| Prenanthes alba |
LION'S FOOT |
| Prenanthes aspera |
ROUGH WHITE LETTUCE |
| Prionopsis ciliatus |
|
| Prunella vulgaris elongata |
SELF-HEAL |
| Prunus americana |
AMERICAN PLUM |
| Prunus americana lanata |
WILD PLUM |
| Prunus nigra |
CANADA PLUM |
| Prunus serotina |
WILD BLACK CHERRY |
| Prunus virginiana |
COMMON CHOKECHERRY |
| Ptelea trifoliata |
WAFER ASH |
| Pteridium aquilinum latiusculum |
BRACKEN FERN |
| Pycnanthemum pilosum |
HAIRY MOUNTAIN MINT |
| Pycnanthemum tenuifolium |
SLENDER MOUNTAIN MINT |
| Pycnanthemum virginianum |
COMMON MOUNTAIN MINT |
| Quercus alba |
WHITE OAK |
| Quercus imbricaria |
JACK OAK |
| Quercus macrocarpa |
BURR OAK |
| Quercus marilandica |
BLACKJACK OAK |
| Quercus prinoides acuminata |
CHINKAPIN OAK |
| Quercus rubra |
NORTHERN RED OAK |
| Quercus velutina |
BLACK OAK |
| Ranunculus abortivus |
LITTLE-LEAF BUTTERCUP |
| Ranunculus fascicularis |
EARLY BUTTERCUP |
| Ranunculus sceleratus |
CURSED CROWFOOT |
| Ranunculus septentrionalis |
SWAMP BUTTERCUP |
| Ratibida pinnata |
DROOPING CONEFLOWER |
| Rhamnus lanceolata |
LANCE-LEAVED BUCKTHORN |
| Rhus glabra |
SMOOTH SUMAC |
| Ribes missouriense |
MISSOURI GOOSEBERRY |
| Ribes rubrum |
RED CURRENT |
| Robinia pseudoacacia |
BLACK LOCUST |
| Rosa carolina |
PASTURE ROSE |
| Rosa multiflora |
JAPANESE ROSE |
| Rubus allegheniensis |
COMMON BLACKBERRY |
| Rubus argutus |
HIGHBUSH BLACKBERRY |
| Rubus occidentalis |
BLACK RASPBERRY |
| Rubus strigosus |
RED RASPBERRY |
| Rudbeckia hirta |
BLACK-EYED SUSAN |
| Rudbeckia laciniata |
CUTLEAF CONEFLOWER |
| Rudbeckia triloba |
BROWN-EYED SUSAN |
| Ruellia humilis |
HAIRY RUELLIA |
| Rumex acetosella |
COMMON SORREL |
| Rumex altissimus |
PALE DOCK |
| Rumex crispus |
CURLY DOCK |
| Rumex verticillatus |
SWAMP DOCK |
| Sagittaria brevirostra |
ARROWLEAF |
| Sagittaria latifolia |
ARROWHEAD |
| Salix candida |
HOARY WILLOW |
| Salix exigua |
SANDBAR WILLOW |
| Salix humilis |
PRAIRIE WILLOW |
| Salix nigra |
BLACK WILLOW |
| Sambucus canadensis |
COMMON ELDER |
| Sanguinaria canadensis |
BLOODROOT |
| Sanicula canadensis |
CANADIAN BLACK SNAKEROOT |
| Sanicula gregaria |
COMMON SNAKEROOT |
| Saponaria officinalis |
BOUNCING BET |
| Schizachyrium scoparium |
LITTLE BLUESTEM |
| Scirpus acutus |
GREAT BULRUSH |
| Scirpus atrovirens |
DARK GREEN RUSH |
| Scirpus georgianus |
|
| Scirpus pendulus |
RED BULRUSH |
| Scirpus tabernaemontanii |
GREAT BULRUSH |
| Scrophularia marilandica |
LATE FIGWORT |
| Scutellaria lateriflora |
MAD-DOG SKULLCAP |
| Scutellaria ovata |
HEART-LEAVED SKULLCAP |
| Secale cereale |
RYE |
| Senecio pauperculus |
BALSAM GROUNDSEL |
| Setaria faberi |
GIANT FOXTAIL |
| Setaria glauca |
PIGEON GRASS |
| Setaria verticillata |
BRISTLY FOXTAIL |
| Setaria viridis |
COMMON FOXTAIL |
| 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 loeselii |
TALL HEDGE MUSTARD |
| Sisymbrium officinale |
HEDGE MUSTARD |
| Sisyrinchium albidum |
BLUE-EYED GRASS |
| Sisyrinchium campestre |
PRAIRIE BLUE-EYED GRASS |
| Sisyrinchium mucronatum |
BLUE-EYED GRASS |
| Sium suave |
WATER PARSNIP |
| Smilacina racemosa |
FALSE SOLOMON SEAL |
| Smilax ecirrata |
UPRIGHT CARRION FLOWER |
| Smilax hispida |
BRISTLY GREENBRIER |
| Smilax lasioneuron |
COMMON CARRION FLOWER |
| Solanum carolinense |
HORSE-NETTLE |
| Solanum dulcamara |
FALSE BITTERSWEET |
| Solanum ptycanthum |
BLACK NIGHTSHADE |
| Solidago canadensis |
CANADA GOLDENROD |
| Solidago gigantea |
LATE GOLDENROD |
| Solidago juncea |
EARLY GOLDENROD |
| Solidago missouriensis |
MISSOURI GOLDENROD |
| Solidago nemoralis |
DYERSWEED GOLDENROD |
| Solidago riddellii |
RIDDELL'S GOLDENROD |
| Solidago rigida |
RIGID GOLDENROD |
| Solidago speciosa |
SHOWY GOLDENROD |
| Solidago ulmifolia |
ELM-LEAVED GOLDENROD |
| Sonchus arvensis |
FIELD SOWTHISTLE |
| Sonchus arvensis glabrescens |
|
| Sonchus asper |
PRICKLY SOWTHISTLE |
| Sonchus oleraceus |
COMMON SOWTHISTLE |
| Sorghastrum nutans |
INDIAN GRASS |
| Sparganium americanum |
AMERICAN BURREED |
| Spartina pectinata |
FRESHWATER CORD GRASS |
| Spiranthes ovalis |
LADIES' TRESSES |
| Spirodela polyrhiza |
BIG DUCKWEED |
| Sporobolus asper |
DROP SEED |
| Sporobolus neglectus |
PUFFSHEATH DROPSEED |
| Sporobolus vaginiflorus |
NORTHERN RUSH GRASS |
| Stachys palustris homotricha |
WOUNDWORT |
| Staphylea trifolia |
BLADDERNUT |
| Stellaria media |
COMMON CHICKWEED |
| Stipa spartea |
NEEDLE GRASS |
| Strophostyles helvola |
WILD BEAN |
| Symphoricarpos occidentalis |
WESTERN SNOWBERRY |
| Symphoricarpos orbiculatus |
BUCKBRUSH |
| Symphytum officinale |
COMMON COMFREY |
| Taenidia integerrima |
YELLOW PIMPERNEL |
| Taraxacum officinale |
COMMON DANDELION |
| Teucrium canadense boreale |
GRAY GERMANDER |
| Teucrium canadense virginicum |
AMERICAN GERMANDER |
| Thalictrum revolutum |
WAXY MEADOW RUE |
| Thaspium barbinode |
HAIRY MEADOW PARSNIP |
| Thlaspi arvense |
FIELD PENNY CRESS |
| Tilia americana |
AMERICAN LINDEN |
| Toxicodendron radicans |
POISON IVY |
| Tradescantia ohiensis |
SPIDERWORT |
| Tragopogon dubius |
GOAT'S BEARD |
| Tragopogon pratensis |
COMMON GOAT'S BEARD |
| 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 grandiflorum |
LARGE WHITE TRILLIUM |
| Trillium nivale |
SNOW TRILLIUM |
| Trillium recurvatum |
RED TRILLIUM |
| Triodanis perfoliata |
VENUS' LOOKING-GLASS |
| Triosteum aurantiacum |
EARLY HORSE GENTIAN |
| Triosteum illinoense |
ILLINOIS HORSE GENTIAN |
| Triosteum perfoliatum |
LATE HORSE GENTIAN |
| Triticum aestivum |
BEARDED WHEAT |
| Typha angustifolia |
NARROW-LEAVED CATTAIL |
| Typha latifolia |
CATTAIL |
| Ulmus americana |
AMERICAN ELM |
| Ulmus pumila |
SIBERIAN 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 |
| Vernonia missurica |
MISSOURI IRONWEED |
| Veronica arvensis |
CORN SPEEDWELL |
| Veronica peregrina |
PURSLANE SPEEDWELL |
| Veronicastrum virginicum |
CULVER'S ROOT |
| Viburnum lentago |
NANNYBERRY |
| Viburnum opulus |
EUROPEAN HIGH-BUSH CRANBERRY |
| Viburnum prunifolium |
BLACK HAW |
| Vicia americana |
AMERICAN VETCH |
| Vicia villosa |
WINTER VETCH |
| Viola fimbriatula |
SAND VIOLET |
| Viola pedata |
BIRDFOOT VIOLET |
| Viola pubescens eriocarpa |
SMOOTH YELLOW VIOLET |
| Viola sagittata |
ARROW-LEAVED VIOLET |
| Viola sororia |
WOOLLY BLUE VIOLET |
| Vitis riparia |
RIVERVBANK GRAPE |
| Xanthium strumarium canadensis |
COCKLE BUR |
| Zannichellia palustris |
COMMON POOLMAT |
| Zizia aurea |
GOLDEN ALEXANDERS |