| Abutilon theophrastii |
BUTTONWEED |
| Acalypha rhomboidea |
THREE-SEEDED MERCURY |
| Acalypha virginica |
THREE-SEEDED MERCURY |
| Acer negundo |
ASH-LEAVED MAPLE |
| Acer nigrum |
BLACK MAPLE |
| Acer platanoides |
NORWAY 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 |
| Aegopodium podagraria |
GOUTWEED |
| Aesculus glabra |
OHIO BUCKEYE |
| Aethusa cynapium |
FOOL'S PARSLEY |
| Agalinis purpurea |
FALSE FOXGLOVE |
| Agalinis tenuifolia |
SLENDER FALSE FOXGLOVE |
| Agastache nepetoides |
YELLOW GIANT HYSSOP |
| Agastache scrophulariaefolia |
PURPLE GIANT HYSSOP |
| Agrimonia gryposepala |
TALL AGRIMONY |
| Agrimonia pubescens |
SOFT AGRIMONY |
| Agropyron repens |
COUCH GRASS |
| Agropyron smithii |
COLORADO BLUESTEM |
| Agrostis alba |
RED TOP |
| Agrostis alba palustris |
CREEPING BENT GRASS |
| Agrostis hyemalis |
HAIR GRASS |
| Agrostis perennans |
AUTUMN BENT GRASS |
| Ailanthus altissima |
TREE-OF-HEAVEN |
| Ajuga reptans |
CARPET BUGLE |
| Alcea rosea |
HOLLYHOCK |
| Alisma plantago aquatica parviflorum |
COMMON WATER PLANTAIN |
| Alisma plantago-aquatica americanam |
AMERICAN WATER PLANTAIN |
| Alliaria petiolata |
GARLIC MUSTARD |
| Allium burdickii |
RAMP |
| Allium canadense |
WILD GARLIC |
| Allium cernuum |
NODDING WILD ONION |
| Allium tricoccum |
RAMP |
| Allium vineale |
FIELD GARLIC |
| Alopecurus aequalis |
FOXTAIL |
| Alopecurus carolinianus |
ANNUAL FOXTAIL |
| Amaranthus albus |
TUMBLEWEED |
| Amaranthus ambigens |
WATER HEMP |
| Amaranthus cruentus |
LOVE-LIES-BLEEDING |
| Amaranthus graecizans |
PROSTRATE AMARANTH |
| Amaranthus hybridus |
GREEN AMARANTH |
| Amaranthus powellii |
SMOOTH PIGWEED |
| Amaranthus retroflexus |
ROUGH PIGWEED |
| Amaranthus rudis |
TAMARISK WATERHEMP |
| Amaranthus tuberculatus |
TALL WATERHEMP |
| Ambrosia artemisiifolia |
BITTERWEED |
| Ambrosia psilostachya |
WESTERN RAGWEED |
| Ambrosia trifida |
BUFFALO WEED |
| Amorpha canescens |
LEAD PLANT |
| Amorpha fruticosa |
FALSE INDIGO BUSH |
| Amphicarpa bracteata |
HOG PEANUT |
| Amphicarpa bracteata comosa |
HOG PEANUT |
| Andropogon gerardii |
BIG BLUESTEM |
| Androsace occidentalis |
ANDROSACE |
| Anemone canadensis |
MEADOW ANEMONE |
| Anemone cylindrica |
CANDLE ANEMONE |
| Anemone quinquefolia |
WOOD ANEMONE |
| Anemone virginiana |
TALL ANEMONE |
| Anethum graveolens |
DILL |
| Angelica atropurpurea |
ANGELICA |
| Antennaria neglecta |
CAT'S FOOT |
| Antennaria neglecta attenuata |
EVERLASTING |
| Antennaria plantaginifolia |
EVERLASTING |
| Anthemis arvensis |
CORN CHAMOMILE |
| Anthemis cotula |
DOG FENNEL |
| Anthemis tinctoria |
GOLDEN CHAMOMILE |
| Apios americana |
GROUNDNUT |
| Apocynum androsaemifolium |
SPREADING DOGBANE |
| Apocynum cannabinum |
DOGBANE |
| Apocynum sibiricum |
INDIAN HEMP |
| Aquilegia canadensis |
COLUMBINE |
| Arabis glabra |
TOWER MUSTARD |
| Arabis laevigata |
SMOOTH ROCK CRESS |
| Arabis shortii |
TOOTHED CRESS |
| Aralia racemosa |
AMERICAN SPIKENARD |
| Arctium minus |
COMMON BURDOCK |
| Arenaria serpyllifolia |
THYME-LEAVED SANDWORT |
| Arisaema dracontium |
GREEN DRAGON |
| Arisaema triphyllum |
INDIAN TURNIP |
| Aristida oligantha |
PLAINS THREE AWN GRASS |
| Aristolochia serpentaria |
BIRTHWORT |
| Armoracia rusticana |
HORSERADISH |
| Artemisia absinthium |
ABSINTH |
| Artemisia ludoviciana gnaphalodes |
|
| Asarum canadense reflexum |
CANADA WILD GINGER |
| Asclepias amplexicaulis |
SAND MILKWEED |
| Asclepias incarnata |
SWAMP MILKWEED |
| Asclepias ovalifolia |
OVAL MILKWEED |
| Asclepias purpurascens |
PURPLE MILKWEED |
| Asclepias sullivantii |
PRAIRIE MILKWEED |
| Asclepias syriaca |
COMMON MILKWEED |
| Asclepias tuberosa interior |
BUTTERFLYWEED |
| Asclepias verticillata |
HORSETAIL MILKWEED |
| Asclepias viridiflora |
GREEN MILKWEED |
| Asimina triloba |
BANANA TREE |
| Asparagus officinalis |
GARDEN ASPARAGUS |
| Asplenium platyneuron |
EBONY SPLEENWORT |
| Aster azureus |
AZURE ASTER |
| Aster brachyactis |
RAYLESS ASTER |
| Aster cordifolius |
BLUEWOOD ASTER |
| Aster drummondii |
DRUMMOND'S ASTER |
| Aster ericoides |
HEATH ASTER |
| Aster firmus |
GLOSSY-LEAF ASTER |
| Aster laevis |
SMOOTH ASTER |
| Aster lateriflorus |
SIDE-FLOWERED ASTER |
| Aster novae-angliae |
NEW ENGLAND ASTER |
| Aster ontarionis |
ONTARIO ASTER |
| Aster pilosus |
HAIRY ASTER |
| Aster prenanthoides |
CROOKED ASTER |
| Aster puniceus |
SWAMP ASTER |
| Aster sagittifolius |
ARROW ASTER |
| Aster shortii |
SHORT'S ASTER |
| Aster umbellatus |
FLATTOP ASTER |
| Astragalus canadensis |
CANADIAN MILK VETCH |
| Athyrium pycnocarpon |
GLADE FERN |
| Atriplex patula |
FAT-HEN SALTBUSH |
| Aureolaria grandiflora pulchra |
YELLOW FALSE FOXGLOVE |
| Avena sativa |
CULTIVATED OATS |
| Baptisia lactea |
WHITE WILD INDIGO |
| Baptisia leucophaea |
CREAM WILD INDIGO |
| Barbarea vulgaris arcuata |
WINTER CRESS |
| Berberis thunbergii |
JAPANESE BARBERRY |
| Berteroa incana |
HOARY ALYSSUM |
| Berula erecta |
WATER PARSNIP |
| Betula populifolia |
GRAY BIRCH |
| Bidens aristosa retrorsa |
|
| Bidens cernua |
NODDING BEGGAR-TICKS |
| Bidens connata |
PURPLESTEM BEGGAR-TICKS |
| Bidens coronata |
BEGGAR-TICKS |
| Bidens frondosa |
COMMON BEGGAR-TICKS |
| Bidens tripartita |
BEGGARTICK |
| Bidens vulgata |
STICKTIGHT |
| Blephilia hirsuta |
PAGODA PLANT |
| Boehmeria cylindrica |
FALSE NETTLE |
| Botrychium dissectum obliquum |
BRONZE FERN |
| Botrychium virginianum |
RATTLESNAKE FERN |
| Bouteloua curtipendula |
MESQUITE GRASS |
| Brachyelytrum erectum |
LONG-AWNED WOOD GRASS |
| Brassica hirta |
WHITE MUSTARD |
| Brassica juncea |
CHINESE MUSTARD |
| Brassica kaber pinnatifida |
CHARLOCK |
| Brassica nigra |
BLACK MUSTARD |
| Brassica rapa |
BIRD'S RAPE |
| Brickellia eupatorioides |
FALSE BONESET |
| Bromus inermis |
AWNLESS BROME GRASS |
| Bromus japonicus |
JAPANESE BROME |
| Bromus kalmii |
PRAIRIE BROME |
| Bromus purgans |
BROME GRASS |
| Bromus secalinus |
CHEAT |
| Bromus tectorum |
CHEAT GRASS BROME |
| Buchloe dactyloides |
BUFFALO GRASS |
| Cacalia atriplicifolia |
PALE INDIAN PLANTAIN |
| Cacalia plantaginea |
PRAIRIE INDIAN PLANTAIN |
| Cacalia suaveolens |
SWEET INDIAN PLANTAIN |
| Calamagrostis canadensis |
BLUEJOINT GRASS |
| Calamintha arkansana |
LOW CALAMINT |
| Caltha palustris |
COWSLIP |
| Calystegia sepium americana |
AMERICAN BINDWEED |
| Calystegia spithamaea |
DWARF BINDWEED |
| Camassia scilloides |
WILD HYACINTH |
| Camelina microcarpa |
FALSE FLAX |
| Campanula americana |
AMERICAN BELLFLOWER |
| Campanula aparinoides |
MARSH BELLFLOWER |
| Campanula rapunculoides |
EUROPEAN BELLFLOWER |
| Campanula rotundifolia |
BELLFLOWER |
| Cannabis sativa |
HASHISH |
| Capsella bursa-pastoris |
SHEPERD'S-PURSE |
| Cardamine bulbosa |
BULB BITTERCRESS |
| Cardamine douglassii |
NORTHERN BITTER CRESS |
| Cardamine pensylvanica |
BITTER CRESS |
| Carduus nutans |
MUSK BRISTLE THISTLE |
| Carex albursina |
SEDGE |
| Carex bicknellii |
BICKNELL SEDGE |
| Carex blanda |
WOODLAND SEDGE |
| Carex brevior |
FESCUE SEDGE |
| Carex cephalophora |
|
| Carex conjuncta |
|
| Carex convoluta |
|
| Carex cristatella |
SEDGE |
| Carex davisii |
DAVIS SEDGE |
| Carex frankii |
SEDGE |
| Carex granularis |
MEADOW SEDGE |
| Carex gravida |
HEAVY SEDGE |
| Carex grayi |
BUR SEDGE |
| Carex grisea |
SEDGE |
| Carex hystricina |
BOTTLEBRUSH SEDGE |
| Carex laevivaginata |
SEDGE |
| Carex lanuginosa |
WOOLY SEDGE |
| Carex leavenworthii |
|
| Carex leptalea |
BRISTLE STALKED SEDGE |
| Carex lupulina |
HOP SEDGE |
| Carex lurida |
SEDGE |
| Carex muskingumensis |
SEDGE |
| Carex normalis |
SEDGE |
| Carex pensylvanica |
PENNSYLVANIA SEDGE |
| Carex rosea |
|
| Carex sparganioides |
|
| Carex squarrosa |
SEDGE |
| Carex sterilis |
SEDGE |
| Carex stipata |
PRICKLY SEDGE |
| Carex stricta |
TUSSOCK SEDGE |
| Carex suberecta |
SEDGE |
| Carex tenera |
SEDGE |
| Carex trichocarpa |
SEDGE |
| Carex vulpinoidea |
FOX SEDGE |
| Carpinus caroliniana |
AMERICAN HORNBEAM |
| Carya cordiformis |
BITTERNUT HICKORY |
| Carya ovata |
SCALY-BARK HICKORY |
| Cassia hebecarpa |
WILD SENNA |
| Cassia marilandica |
MARYLAND SENNA |
| Catalpa speciosa |
CIGAR TREE |
| Caulophyllum thalictroides |
BLUE COHOSH |
| Ceanothus americanus |
NEW JERSEY TEA |
| Celastrus orbiculatus |
ROUND-LEAVED BITTERSWEET |
| Celastrus scandens |
BITTERSWEET |
| Celtis occidentalis |
HACKBERRY |
| Celtis occidentalis canina |
HACKBERRY |
| Cenchrus longispinus |
MAT SANDBUR |
| Centaurea maculosa |
SPOTTED CENTAUREA |
| Cephalanthus occidentalis |
BUTTONBUSH |
| Cerastium arvense |
FIELD CHICKWEED |
| 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 |
| Chelidonium majus |
CELANDINE |
| Chelone glabra |
WHITE TURTLEHEAD |
| Chenopodium album |
LAMB'S QUARTERS |
| Chenopodium botrys |
JERUSALEM-OAK |
| Chenopodium gigantospermum |
MAPLE-LEAVED GOOSEFOOT |
| Chenopodium glaucum |
OAK-LEAVED GOOSEFOOT |
| Chenopodium standleyanum |
GOOSEFOOT |
| Cichorium intybus |
BLUE SAILORS |
| Cicuta bulbifera |
BULBLET WATER HEMLOCK |
| Cicuta maculata |
WATER HEMLOCK |
| Cimicifuga racemosa |
BLACK COHOSH |
| Cinna arundinacea |
STOUTWOOD REED |
| Circaea lutetiana canadensis |
ENCHANTER'S NIGHTSHADE |
| Cirsium altissimum |
TALL THISTLE |
| Cirsium arvense |
CANADA THISTLE |
| Cirsium discolor |
FIELD THISTLE |
| Cirsium muticum |
FEN THISTLE |
| Cirsium vulgare |
BULL THISTLE |
| Citrullus lanatus |
WATERMELON |
| Claytonia virginica |
SPRING BEAUTY |
| Clematis virginiana |
VIRGIN'S BOWER |
| Cleome hassleriana |
SPIDER FLOWER |
| Clinopodium vulgare |
DOGMINT |
| Collinsia verna |
BLUE-EYED MARY |
| Comandra umbellata |
BASTARD TOAD-FLAX |
| Commelina communis |
COMMON DAY FLOWER |
| Conium maculatum |
POISON HEMLOCK |
| Conopholis americana |
CANCER-ROOT |
| Consolida ambigua |
ROCKET LARKSPUR |
| Convallaria majalis |
LILY OF THE VALLEY |
| Convolvulus arvensis |
FIELD BINDWEED |
| Conyza canadensis |
HORSEWEED |
| Corallorhiza odontorhiza |
FALL CORAL-ROOT ORCHID |
| Coreopsis lanceolata |
LANCE COREOPSIS |
| Coreopsis palmata |
PRAIRIE COREOPSIS |
| Coreopsis tripteris |
TALL COREOPSIS |
| Cornus alternifolia |
ALTERNATE-LEAVED DOGWOOD |
| Cornus obliqua |
PALE DOGWOOD |
| Cornus racemosa |
GRAY DOGWOOD |
| Cornus stolonifera |
RED OSIER DOGWOOD |
| Corydalis micrantha |
SLENDER CORYDALIS |
| Corylus americana |
AMERICAN FILBERT |
| Crataegus crus-galli |
COCK-SPUR THORN |
| Crataegus margaretta |
HAWTHORN |
| Crataegus mollis |
RED HAW |
| Crataegus punctata |
DOTTED THORN |
| Crataegus succulenta |
HAWTHORN |
| Crypsis schoenoides |
|
| Cryptotaenia canadensis |
HONEWORT |
| Cucurbita foetidissima |
MISSOURI GOURD |
| Cuscuta gronovii |
DODDER |
| Cuscuta pentagona |
DODDER |
| Cynanchum laeve |
BLUE VINE |
| Cynoglossum officinale |
COMMON HOUND'S TONGUE |
| Cyperus acuminatus |
TAPERLEAF FLAT SEDGE |
| Cyperus aristatus |
BEARDED FLAT SEDGE |
| Cyperus erythrorhizos |
RED-ROOTED SEDGE |
| Cyperus esculentus |
CHUFA |
| Cyperus ferruginescens |
SLENDER FLATSEDGE |
| Cyperus filiculmis |
FERN FLATSEDGE |
| Cyperus rivularis |
BROOK FLAT SEDGE |
| Cyperus strigosus |
STRAW COLORED FLATSEDGE |
| Cystopteris bulbifera |
BERRY BLADDER FERN |
| Cystopteris protrusa |
FRAGILE FERN |
| Dactylis glomerata |
ORCHARD GRASS |
| Dalea candida |
WHITE PRAIRIE CLOVER |
| Dalea purpurea |
PURPLE PRAIRIE CLOVER |
| Danthonia spicata |
CURLY GRASS |
| Dasistoma macrophylla |
MULLEIN FOXGLOVE |
| Datura stramonium |
JIMSONWEED |
| Daucus carota |
QUEEN-ANNE'S-LACE |
| Dentaria laciniata |
PEPPER-ROOT |
| Deschampsia cespitosa glauca |
|
| Descurainia pinnata brachycarpa |
TANSY MUSTARD |
| Descurainia sophia |
FLIXWEED |
| Desmanthus illinoensis |
ILLINOIS BUNDLEFLOWER |
| Desmodium canadense |
SHOWY TICK TREFOIL |
| Desmodium glabellum |
TICK TREFOIL |
| Desmodium glutinosum |
BEGGAR'S LICE |
| Desmodium illinoense |
ILLINOIS TICK TREFOIL |
| Desmodium paniculatum |
PANICLED TICK TREFOIL |
| Dianthus armeria |
DEPTFORD PINK |
| Dicentra canadensis |
SQUIRREL-CORN |
| Dicentra cucullaria |
DUTCHMAN'S-BREECHES |
| Dichanthelium acuminatum fasciculatum |
PANIC GRASS |
| Dichanthelium leibergii |
|
| Dichanthelium oligosanthes |
|
| Dichanthelium oligosanthes scribnerianum |
SCRIBNER'S PANIC GRASS |
| Dichanthelium villosissimum |
HAIRY PANIC GRASS |
| Dichanthelium villosissimum praecocius |
|
| Digitaria ischaemum |
SMOOTH CRAB GRASS |
| Digitaria sanguinalis |
HAIRY CRAB GRASS |
| Dioscorea villosa |
WILD YAM |
| Dipsacus laciniatus |
CUT-LEAVED TEASEL |
| Dipsacus sylvestris |
COMMON TEASEL |
| Distichlis stricta |
INLAND SALT GRASS |
| Dodecatheon meadia |
SHOOTING STAR |
| Draba reptans |
WHITLOW GRASS |
| Dracocephalum parviflorum |
AMERICAN DRAGONHEAD |
| Dryopteris carthusiana |
SPINULOSE WOODFERN |
| Dryopteris cristata |
CRESTED FERN |
| Dyssodia papposa |
FETID MARIGOLD |
| Echinacea pallida |
PALE PURPLE CONEFLOWER |
| 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 acicularis |
NEEDLE SPIKE RUSH |
| Eleocharis erythropoda |
|
| Eleocharis intermedia |
MATTED SPIKE RUSH |
| Eleocharis obtusa |
|
| Eleocharis obtusa ovata |
SPIKE RUSH |
| Eleocharis palustris |
|
| Eleocharis rostellata |
BEAKED SPIKESEDGE |
| 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 ciliatum |
NORTHERN WILLOW HERB |
| Epilobium coloratum |
CINNAMON WILLOW HERB |
| Equisetum arvense |
COMMON HORSETAIL |
| Equisetum fluviatile |
WATER HORSETAIL |
| Equisetum hyemale affine |
SCOURING RUSH |
| Equisetum laevigatum |
SMOOTH SCOURING RUSH |
| Equisetum variegatum |
VARIEGATED HORSETAIL |
| 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 |
| Erechtites hieracifolia |
FIRE WEED |
| Erigenia bulbosa |
HARBINGER-OF-SPRING |
| Erigeron annuus |
ANNUAL FLEABANE |
| Erigeron philadelphicus |
MARSH FLEABANE |
| Erigeron pulchellus |
ROBIN'S PLANTAIN |
| Erigeron strigosus |
DAISY FLEABANE |
| Erucastrum gallicum |
DOG MUSTARD |
| Eryngium yuccifolium |
RATTLESNAKE MASTER |
| Erysimum capitatum |
WESTERN WALLFLOWER |
| Erysimum cheiranthoides |
WORMSEED MUSTARD |
| Erysimum inconspicuum |
SMALL 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 |
| Euphorbia corollata |
FLOWERING SPURGE |
| Euphorbia cyparissias |
CYPRESS SPURGE |
| Euphorbia obtusata |
BLUNT-LEAVED SPURGE |
| Euthamia graminifolia |
GRASSLEAF GOLDENROD |
| Euthamia gymnospermoides |
GRASSLEAF GOLDENROD |
| Fagopyrum esculentum |
BUCKWHEAT |
| Festuca obtusa |
NODDING FESCUE |
| Festuca pratensis |
ENGLISH BLUEGRASS |
| Floerkea proserpinacoides |
FALSE MERMAID |
| Fragaria americana |
HILLSIDE STRAWBERRY |
| Fragaria virginiana |
WILD STRAWBERRY |
| Fraxinus americana |
WHITE ASH |
| Fraxinus nigra |
BLACK ASH |
| Fraxinus pennsylvanica |
GREEN ASH |
| Fraxinus quadrangulata |
BLUE ASH |
| Fumaria officinalis |
FUMITORY |
| Galearis spectabilis |
SHOWY ORCHIS |
| Galinsoga parviflora |
LITTLE FLOWER QUICKWEED |
| Galinsoga quadriradiata |
PERUVIAN DAISY |
| Galium aparine |
ANNUAL BEDSTRAW |
| Galium asprellum |
ROUGH BEDSTRAW |
| Galium boreale |
NORTHERN BEDSTRAW |
| Galium circaezans |
WILD LICORICE |
| Galium concinnum |
SHINING BEDSTRAW |
| Galium obtusum |
WILD MADDER |
| Galium triflorum |
SWEET-SCENTED BEDSTRAW |
| Gaura biennis |
BUTTERFLY-WEED |
| Gaura parviflora |
SMALL-FLOWERED GAURA |
| Gentiana andrewsii |
CLOSED GENTIAN |
| Gentiana puberulenta |
DOWNY GENTIAN |
| Gentianella quinquefolia occidentalis |
STIFF GENTIAN |
| Gentianopsis procera |
SMALL FRINGED GENTIAN |
| Geranium maculatum |
WILD GERANIUM |
| Geum canadense |
WHITE AVENS |
| Geum laciniatum |
ROUGH AVENS |
| Glandularia canadensis |
ROSE VERBENA |
| Glechoma hederacea micrantha |
GROUND IVY |
| Gleditsia triacanthos |
HONEY LOCUST |
| Glyceria septentrionalis |
FLOATING MANNA GRASS |
| Glyceria striata |
FOWL MANNA GRASS |
| Glycine max |
SOYBEAN |
| Glycyrrhiza lepidota |
WILD LICORICE |
| Gnaphalium obtusifolium |
CATFOOT |
| Gratiola neglecta |
CLAMMY HEDGE HYSSOP |
| Grindelia squarrosa |
CURLYCUP GUMWEED |
| Gymnocladus dioicus |
KENTUCKY COFFEETREE |
| Hackelia virginiana |
STICKSEED |
| Hedeoma hispida |
ROUGH PENNYROYAL |
| Hedeoma pulegioides |
AMERICAN PENNYROYAL |
| Helenium autumnale |
AUTUMN SNEEZEWEED |
| Helianthus annuus |
COMMON SUNFLOWER |
| Helianthus decapetalus |
PALE SUNFLOWER |
| Helianthus grosseserratus |
SAWTOOTH SUNFLOWER |
| Helianthus hirsutus |
BRISTLY SUNFLOWER |
| Helianthus occidentalis |
WESTERN SUNFLOWER |
| Helianthus petiolaris |
KANSAS SUNFLOWER |
| Helianthus rigidus |
PRAIRIE SUNFLOWER |
| Helianthus strumosus |
PALE-LEAVED SUNFLOWER |
| Helianthus tuberosus |
JERUSALEM ARTICHOKE |
| Helianthus tuberosus subcanescens |
JERUSALEM ARTICHOKE |
| Heliopsis helianthoides |
FALSE SUNFLOWER |
| Hemerocallis fulva |
DAY LILY |
| Hepatica nobilis acuta |
SHARP-LOBED HEPATICA |
| Heracleum lanatum |
COW PARSNIP |
| Hesperis matronalis |
DAME'S ROCKET |
| Heuchera richardsonii grayana |
PRAIRIE ALUMROOT |
| Hibiscus trionum |
FLOWER-OF-AN-HOUR |
| Hieracium scabrum |
HAIRY HAWKWEED |
| Hierochloe odorata |
SWEET GRASS |
| Hordeum jubatum |
FOX-TAIL BARLEY |
| Hordeum pusillum |
LITTLE BARLEY |
| Hordeum vulgare |
COMMON BARLEY |
| Humulus lupulus |
COMMON HOPS |
| 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 hederacea |
IVY-LEAVED MORNING GLORY |
| Ipomoea pandurata |
WILD SWEET POTATO VINE |
| Ipomoea purpurea |
COMMON MORNING-GLORY |
| Iris pseudacorus |
WATER FLAG |
| Iris shrevei |
SOUTHERN BLUE FLAG |
| Isopyrum biternatum |
FALSE RUE ANEMONE |
| Iva xanthifolia |
RAG SUMPWEED |
| Jeffersonia diphylla |
TWINLEAF |
| Juglans cinerea |
BUTTERNUT |
| 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 |
| Kochia scoparia |
BELVEDERE SUMMER CYPRESS |
| Krigia biflora |
FALSE DANDELOIN |
| Lactuca biennis |
BIENNIAL LETTUCE |
| 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 |
| Lathyrus palustris |
MARSH PEAVINE |
| Lathyrus palustris myrtifolius |
VETCHLING |
| Leersia oryzoides |
RICE CUTGRASS |
| Leersia virginica |
WHITE GRASS |
| Lemna minor |
COMMON DUCKWEED |
| Lemna trisulca |
IVY-LEAVED DUCKWEED |
| Leonurus cardiaca |
MOTHERWORT |
| Lepidium campestre |
FIELD CRESS |
| Lepidium densiflorum |
PEPPERGRASS |
| Lepidium sativum |
GARDEN CRESS |
| Lepidium virginicum |
COMMON PEPPERGRASS |
| Leptochloa acuminata |
SALT MEADOW GRASS |
| Leptoloma cognatum |
FALL WITCH GRASS |
| Lespedeza capitata |
BUSH CLOVER |
| Leucanthemum vulgare |
COMMON TANSY |
| Liatris aspera |
ROUGH BLAZING STAR |
| Liatris pycnostachya |
BUTTON SNAKEROOT |
| Ligustrum vulgare |
PRIVET |
| Lilium michiganense |
MICHIGAN LILY |
| Lilium philadelphicum andinum |
WOOD LILY |
| Linaria genistifolia dalmatica |
DALMATIAN TOADFLAX |
| Linaria vulgaris |
BUTTER-AND-EGGS |
| Lindernia dubia |
FALSE PIMPERNEL |
| Linum usitatissimum |
COMMON FLAX |
| Liparis liliifolia |
LARGE TWAYBLADE |
| Liparis loeselii |
GREEN TWAYBLADE |
| Lithospermum canescens |
HOARY PUCCOON |
| Lithospermum incisum |
YELLOW PUCCOON |
| Lithospermum latifolium |
AMERICAN GROMWELL |
| Lobelia cardinalis |
CARDINAL-FLOWER |
| Lobelia inflata |
INDIAN TOBACCO |
| Lobelia kalmii |
BOG LOBELIA |
| Lobelia siphilitica |
BLUE CARDINAL-FLOWER |
| Lobelia spicata |
SPIKED LOBELIA |
| Lolium multiflorum |
ITALIAN RYE GRASS |
| Lolium perenne |
CRESTED RYE GRASS |
| Lonicera X muendeniensis |
BUSH HONEYSUCKLE |
| Lonicera japonica |
JAPANESE HONEYSUCKLE |
| Lonicera maackii |
AMUR HONEYSUCKLE |
| Lonicera prolifera |
GRAPE HONEYSUCKLE |
| Lotus corniculatus |
BIRDSFOOT-TREFOIL |
| Ludwigia palustris americana |
MARSH PURSLANE |
| Ludwigia polycarpa |
FALSE LOOSESTRIFE |
| Lychnis alba |
EVENING CAMPION |
| Lycium barbarum |
COMMON MATRIMONY VINE |
| Lycopersicum esculentum |
TOMATO |
| Lycopus americanus |
COMMON WATER HOREHOUND |
| Lycopus asper |
ROUGH WATER HOREHOUND |
| Lycopus rubellus |
STALKED WATER HOREHOUND |
| Lycopus uniflorus |
NOTHERN BUGLE WEED |
| Lycopus virginicus |
BUGLE WEED |
| Lysimachia ciliata |
FRINGED LOOSESTRIFE |
| Lysimachia lanceolata |
LANCE-LEAVED LOOSESTRIFE |
| Lysimachia nummularia |
MONEYWORT |
| Lysimachia quadriflora |
NARROW-LEAVED LOOSESTRIFE |
| Lysimachia vulgaris |
GARDEN LOOSESTRIFE |
| Lysimachia vulgaris |
GARDEN LOOSESTRIFE |
| Lythrum alatum |
WINGED LOOSESTRIFE |
| Lythrum salicaria |
PURPLE LOOSESTRIFE |
| Maclura pomifera |
HEDGE APPLE |
| Malus coronaria |
WILD SWEET CRAB APPLE |
| Malus ioensis |
IOWA CRAB APPLE |
| Malus pumila |
APPLE |
| Malva neglecta |
CHEESES |
| Matricaria matricarioides |
PINEAPPLE WEED |
| Matthiola incana |
GILLIFLOWER |
| Medicago lupulina |
BLACK MEDIC |
| Medicago sativa |
ALFALFA |
| Melilotus alba |
WHITE SWEET CLOVER |
| Melilotus officinalis |
YELLOW SWEET CLOVER |
| Menispermum canadense |
MOONSEED |
| Mentha X piperita |
PEPPERMINT |
| Mentha arvensis villosa |
FIELD MINT |
| Mentha spicata |
SPEARMINT |
| Mertensia virginica |
BLUEBELLS |
| Mimulus glabratus fremontii |
YELLOW MONKEY FLOWER |
| Mimulus ringens |
MONKEY FLOWER |
| Minuartia patula |
SLENDER SANDWORT |
| Mirabilis nyctaginea |
WILD FOUR-O'CLOCK |
| Mitella diphylla |
BISHOP'S-CAP |
| Moehringia lateriflora |
BLUNTLEAF SANDWORT |
| Mollugo verticillatus |
CARPETWEED |
| Monarda bradburiana |
MONARDA |
| Monarda fistulosa |
WILD BERGAMOT |
| Morus alba |
WHITE MULBERRY |
| Morus rubra |
RED MULBERRY |
| Muhlenbergia asperifolia |
ALKALI MUHLY |
| Muhlenbergia frondosa |
COMMON SATIN GRASS |
| Muhlenbergia glomerata |
MARSH WILD TIMOTHY |
| Muhlenbergia mexicana |
LEAFY SATIN GRASS |
| Muhlenbergia schreberi |
NIMBLE WILL |
| Muscari botryoides |
COMMON GRAPE HYACINTH |
| Myosotis scorpioides |
FORGET-ME-NOT |
| Myosoton aquaticum |
GIANT CHICKWEED |
| Myriophyllum exalbescens |
SPIKED WATER MILFOIL |
| Napaea dioica |
GLADE MALLOW |
| Nasturtium officinale |
TRUE WATER CRESS |
| Nepeta cataria |
CATNIP |
| Nuphar luteum macrophyllum |
SPATTERDOCK |
| Nymphaea tuberosa |
WHITE WATER LILY |
| Oenothera biennis |
EVENING PRIMROSE |
| Oenothera laciniata |
RAGGED EVENING PRIMROSE |
| Oenothera pilosella |
PRAIRIE SUNDROPS |
| Onoclea sensibilis |
SENSITIVE FERN |
| Ornithogalum umbellatum |
COMMON STAR-OF-BETHLEHEM |
| Osmorhiza claytonii |
SWEET CICELY |
| Osmorhiza longistylis |
ANISE-ROOT |
| 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 dichotomiflorum |
FALL PANICUM |
| Panicum miliaceum |
BROOMCORN MILLET |
| Panicum virgatum |
PRAIRIE SWITCHGRASS |
| Parietaria pensylvanica |
PENNSYLVANIA PELLITORY |
| Parnassia glauca |
GRASS-OF-PARNASSUS |
| Paronychia canadensis |
FORKED CHICKWEED |
| Parthenium integrifolium |
AMERICAN FEVERFEW |
| Parthenocissus inserta |
VIRGINIA CREEPER |
| Parthenocissus quinquefolia |
VIRGINIA CREEPER |
| Pastinaca sativa |
PARSNIP |
| Pedicularis canadensis |
LOUSEWORT |
| Pedicularis lanceolata |
SWAMP WOOD BETONY |
| Pellaea glabella |
PURPLE CLIFFBRAKE |
| Penstemon calycosus |
SMOOTH BEARD-TONGUE |
| Penstemon digitalis |
FOXGLOVE BEARD-TONGUE |
| Penthorum sedoides |
DITCH STONECROP |
| Perideridia americana |
|
| Petunia X hybrida |
GARDEN PETUNIA |
| 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 subglabrata |
SMOOTH GROUND CHERRY |
| Physalis virginiana |
GROUND CHERRY |
| Physostegia speciosa |
FALSE DRAGONHEAD |
| Physostegia virginiana |
FALSE DRAGONHEAD |
| Phytolacca americana |
POKEWEED |
| Pilea fontana |
CLEARWEED |
| Pilea pumila |
CANADA CLEARWEED |
| Pinus banksiana |
JACK PINE |
| Plantago aristata |
BRACTED PLANTAIN |
| Plantago lanceolata |
BUCKHORN |
| Plantago major |
COMMON PLANTAIN |
| Plantago rugelii |
RED-STALKED PLANTAIN |
| Platanthera hyperborea huronensis |
GREEN ORCHID |
| Platanus occidentalis |
BUTTONWOOD |
| Poa annua |
ANNUAL BLUEGRASS |
| Poa compressa |
CANADIAN BLUEGRASS |
| Poa pratensis |
KENTUCKY BLUEGRASS |
| Podophyllum peltatum |
MAYAPPLE |
| Poinsettia dentata |
WILD POINSETTIA |
| Polanisia dodecandra |
CLAMMYWEED |
| Polemonium reptans |
JACOB'S-LADDER |
| Polygala senega |
SENECA SNAKEROOT |
| Polygala verticillata |
WHORLED MILKWORT |
| Polygonatum commutatum |
GREAT SOLOMON SEAL |
| Polygonum achoreum |
LEATHERY KNOTWEED |
| Polygonum amphibium |
WATER SMARTWEED |
| Polygonum arenastrum |
KNOTWEED |
| Polygonum bicorne |
SMARTWEED |
| Polygonum convolvulus |
BLACK BIRDWEED |
| Polygonum cristatum |
COPSE BINDWEED |
| Polygonum cuspidatum |
JAPANESE FLEECE FLOWER |
| Polygonum erectum |
ERECT KNOTWEED |
| Polygonum hydropiper |
COMMON SMARTWEED |
| Polygonum hydropiperoides |
MILD WATER PEPPER |
| Polygonum lapathifolium |
CURTTOP LADY'S THUMB |
| Polygonum orientale |
KISS-ME-OVER-THE-GARDEN-GATE |
| Polygonum pensylvanicum laevigatum |
PENNSYLVANIA SMARTWEED |
| Polygonum persicaria |
SPOTTED LADY'S THUMB |
| Polygonum punctatum |
DOTTED SMARTWEED |
| Polygonum ramosissimum |
BUSHY KNOTWEED |
| Polygonum scandens |
CLIMBING BUCKWHEAT |
| Polygonum virginianum |
VIRGINIA KNOTWEED |
| Polymnia canadensis |
LEAFCUP |
| Populus alba |
WHITE POPLAR |
| Populus deltoides |
EASTERN COTTONWOOD |
| Populus grandidentata |
BIG-TOOTH ASPEN |
| Populus nigra italica |
LOMBARDY POPLAR |
| Populus tremuloides |
QUAKING ASPEN |
| Portulaca oleracea |
PURSLANE |
| Potamogeton foliosus |
LEAFY PONDWEED |
| Potamogeton illinoensis |
ILLINOIS PONDWEED |
| Potamogeton nodosus |
AMERICAN PONDWEED |
| Potamogeton pectinatus |
COMB PONDWEED |
| Potentilla argentea |
SILVERY CINQUEFOIL |
| Potentilla arguta |
PRAIRIE CINQUEFOIL |
| Potentilla fruticosa |
BUSH CINQUEFOIL |
| Potentilla norvegica |
ROUGH CINQUEFOIL |
| Potentilla recta |
SULFUR CINQUEFOIL |
| Potentilla simplex |
COMMON CINQUEFOIL |
| Prenanthes alba |
LION'S FOOT |
| Prenanthes aspera |
ROUGH WHITE LETTUCE |
| Prenanthes crepidinea |
GREAT WHITE LETTUCE |
| Prenanthes racemosa |
GLAUCOUS WHITE LETTUCE |
| Proserpinaca palustris |
MERMAID-WEED |
| Prunella vulgaris |
SELF-HEAL |
| Prunella vulgaris elongata |
SELF-HEAL |
| Prunus americana |
AMERICAN PLUM |
| Prunus serotina |
WILD BLACK CHERRY |
| Prunus virginiana |
COMMON CHOKECHERRY |
| Ptelea trifoliata |
WAFER ASH |
| Puccinellia distans |
ALKALI GRASS |
| Pycnanthemum tenuifolium |
SLENDER MOUNTAIN MINT |
| Pycnanthemum virginianum |
COMMON MOUNTAIN MINT |
| Pyrus communis |
PEAR |
| Quercus alba |
WHITE OAK |
| Quercus bicolor |
SWAMP WHITE OAK |
| Quercus ellipsoidalis |
HILL'S OAK |
| Quercus imbricaria |
JACK OAK |
| Quercus macrocarpa |
BURR OAK |
| Quercus prinoides acuminata |
CHINKAPIN OAK |
| Quercus rubra |
NORTHERN RED OAK |
| Quercus velutina |
BLACK OAK |
| Ranunculus abortivus |
LITTLE-LEAF BUTTERCUP |
| Ranunculus acris |
TALL BUTTERCUP |
| Ranunculus fascicularis |
EARLY BUTTERCUP |
| Ranunculus flabellaris |
YELLOW WATER BUTTERCUP |
| Ranunculus longirostris |
LONGBEAK BUTTERCUP |
| Ranunculus pensylvanicus |
BRISTLY CROWFOOT |
| Ranunculus recurvatus |
HOOKED BUTTERCUP |
| Ranunculus repens |
CREEPING BUTTERCUP |
| Ranunculus sceleratus |
CURSED CROWFOOT |
| Ranunculus septentrionalis |
SWAMP BUTTERCUP |
| Ratibida pinnata |
DROOPING CONEFLOWER |
| Rhamnus alnifolia |
ALDER BUCKTHORN |
| Rhamnus cathartica |
COMMON BUCKTHORN |
| Rhamnus frangula |
GLOSSY BUCKTHORN |
| Rhamnus lanceolata |
LANCE-LEAVED BUCKTHORN |
| Rhus glabra |
SMOOTH SUMAC |
| Rhus typhina |
STAGHORN SUMAC |
| Rhynchospora capillacea |
|
| Ribes americanum |
WILD BLACK CURRENT |
| Ribes cynosbati |
DOGBERRY |
| Ribes missouriense |
MISSOURI GOOSEBERRY |
| Ribes odoratum |
BUFFALO CURRENT |
| Robinia pseudoacacia |
BLACK LOCUST |
| Rorippa islandica fernaldiana |
MARSH YELLOW CRESS |
| Rorippa sylvestris |
CREEPING YELLOW CRESS |
| Rosa blanda |
MEADOW ROSE |
| Rosa carolina |
PASTURE ROSE |
| Rosa multiflora |
JAPANESE ROSE |
| Rosa setigera |
ILLINOIS ROSE |
| Rubus allegheniensis |
COMMON BLACKBERRY |
| Rubus flagellaris |
DEWBERRY |
| Rubus occidentalis |
BLACK RASPBERRY |
| Rubus pensylvanicus |
BLACKBERRY |
| 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 maritimus fueginus |
GOLDEN DOCK |
| Rumex mexicanus |
DOCK |
| Rumex obtusifolius |
BITTER DOCK |
| Rumex orbiculatus |
GREAT WATER DOCK |
| Rumex verticillatus |
SWAMP DOCK |
| Sagittaria brevirostra |
ARROWLEAF |
| Sagittaria latifolia |
ARROWHEAD |
| Salix amygdaloides |
PEACH-LEAVED WILLOW |
| Salix discolor |
PUSSY WILLOW |
| Salix exigua |
SANDBAR WILLOW |
| Salix humilis |
PRAIRIE WILLOW |
| Salix nigra |
BLACK WILLOW |
| Salix petiolaris |
MEADOW WILLOW |
| Salsola iberica |
RUSSIAN THISTLE |
| Sambucus canadensis |
COMMON ELDER |
| Samolus valerandii |
BROOKWEED |
| Sanguinaria canadensis |
BLOODROOT |
| Sanicula canadensis |
CANADIAN BLACK SNAKEROOT |
| Sanicula gregaria |
COMMON SNAKEROOT |
| Sanicula marilandica |
BLACK SNAKEROOT |
| Saponaria officinalis |
BOUNCING BET |
| Saxifraga pensylvanica |
SWAMP SAXIFRAGE |
| Schizachyrium scoparium |
LITTLE BLUESTEM |
| Scirpus americanus |
AMERICAN BULRUSH |
| Scirpus atrovirens |
DARK GREEN RUSH |
| Scirpus fluviatilis |
RIVER BULRUSH |
| Scirpus micranthus |
|
| Scirpus pendulus |
RED BULRUSH |
| Scirpus tabernaemontanii |
GREAT BULRUSH |
| Scrophularia lanceolata |
EARLY FIGWORT |
| Scrophularia marilandica |
LATE FIGWORT |
| Scutellaria galericulata |
MARSH SKULLCAP |
| Scutellaria lateriflora |
MAD-DOG SKULLCAP |
| Scutellaria leonardii |
SMALL SKULLCAP |
| Scutellaria ovata |
HEART-LEAVED SKULLCAP |
| Scutellaria parvula |
SMALL SKULLCAP |
| Secale cereale |
RYE |
| Sedum acre |
MOSSY STONECROP |
| Sedum purpureum |
LIVE-FOREVER |
| Sedum sarmentosum |
YELLOW STONECROP |
| Selaginella eclipes |
SMALL CLUBMOSS |
| Senecio aureus |
GOLDEN RAGWORT |
| Senecio pauperculus |
BALSAM GROUNDSEL |
| Senecio plattensis |
PRAIRIE GROUNDSEL |
| Senecio vulgaris |
COMMON GROUNDSEL |
| Setaria faberi |
GIANT FOXTAIL |
| Setaria glauca |
PIGEON GRASS |
| Setaria italica |
FOXTAIL MILLET |
| Setaria verticillata |
BRISTLY FOXTAIL |
| Setaria viridis |
COMMON FOXTAIL |
| Sicyos angulatus |
BUR CUCUMBER |
| Sida spinosa |
PRICKLY SIDA |
| Silene antirrhina |
SLEEPY CATCHFLY |
| Silene cserei |
GLAUCOUS CAMPION |
| Silene cucubalus |
BLACKLER CAMPION |
| Silene dichotoma |
FORKED CATCHFLY |
| Silene nivea |
SNOW CAMPION |
| Silene noctiflora |
NIGHT-FLOWERING CATCHFLY |
| Silene stellata |
STARRY CAMPION |
| Silene virginica |
FIREPINK |
| 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 angustifolium |
COMMON BLUE-EYED GRASS |
| Sium suave |
WATER PARSNIP |
| Smilacina racemosa |
FALSE SOLOMON SEAL |
| Smilacina stellata |
STARRY FALSE SOLOMON SEAL |
| Smilax ecirrata |
UPRIGHT CARRION FLOWER |
| Smilax hispida |
BRISTLY GREENBRIER |
| Smilax lasioneuron |
COMMON CARRION FLOWER |
| Solanum carolinense |
HORSE-NETTLE |
| Solanum cornutum |
BUFFALO-BUR |
| Solanum dulcamara |
FALSE BITTERSWEET |
| 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 ohioensis |
OHIO GOLDENROD |
| Solidago patula |
ROUGH-LEAF GOLDENROD |
| Solidago riddellii |
RIDDELL'S GOLDENROD |
| Solidago rigida |
RIGID GOLDENROD |
| Solidago speciosa |
SHOWY GOLDENROD |
| Solidago uliginosa |
BOG GOLDENROD |
| Solidago ulmifolia |
ELM-LEAVED GOLDENROD |
| Sonchus arvensis glabrescens |
|
| Sonchus asper |
PRICKLY SOWTHISTLE |
| Sonchus oleraceus |
COMMON SOWTHISTLE |
| Sorghastrum nutans |
INDIAN GRASS |
| Sorghum bicolor |
BROOM CORN |
| Sparganium eurycarpum |
BURREED |
| Spartina pectinata |
FRESHWATER CORD GRASS |
| Spartina pectinata |
FRESHWATER CORD GRASS |
| Sphenopholis obtusata major |
WEDGE GRASS |
| Spiraea alba |
MEADOW-SWEET |
| Spiranthes cernua |
NODDING LADIES-TRESSES |
| Spirodela polyrhiza |
BIG DUCKWEED |
| Sporobolus asper |
DROP SEED |
| Sporobolus cryptandrus |
SAND DROPSEED |
| Sporobolus heterolepis |
NORTHERN DROP SEED |
| Sporobolus neglectus |
PUFFSHEATH DROPSEED |
| Sporobolus vaginiflorus |
NORTHERN RUSH GRASS |
| Stachys palustris homotricha |
WOUNDWORT |
| Stachys tenuifolia hispida |
HAIRY HEDGE NETTLE |
| Staphylea trifolia |
BLADDERNUT |
| Stellaria media |
COMMON CHICKWEED |
| Stipa spartea |
NEEDLE GRASS |
| Strophostyles helvola |
WILD BEAN |
| Symphoricarpos occidentalis |
WESTERN SNOWBERRY |
| Symphoricarpos orbiculatus |
BUCKBRUSH |
| 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 dasycarpum |
PURPLE MEADOW RUE |
| Thalictrum dasycarpum hypoglaucum |
MEADOW RUE |
| Thalictrum dioicum |
EARLY MEADOW RUE |
| Thalictrum revolutum |
WAXY MEADOW RUE |
| Thalictrum thalictroides |
RUE ANEMONE |
| Thaspium trifoliatum |
MEADOW PARSNIP |
| Thelypteris palustris pubescens |
MARSH FERN |
| Thlaspi arvense |
FIELD PENNY CRESS |
| Tilia americana |
AMERICAN LINDEN |
| Torilis japonica |
HEDGE PARSLEY |
| Toxicodendron radicans |
POISON IVY |
| Tradescantia ohiensis |
SPIDERWORT |
| Tragopogon dubius |
GOAT'S BEARD |
| Tragopogon pratensis |
COMMON GOAT'S BEARD |
| Tribulus terrestris |
PUNCTURE-WEED |
| Trichostema brachiatum |
FALSE PENNYROYAL |
| Tridens flavus |
FALSE RED TOP |
| Trifolium campestre |
LOW HOP CLOVER |
| Trifolium hybridum |
ALSIKE CLOVER |
| Trifolium pratense |
RED CLOVER |
| Trifolium repens |
WHITE CLOVER |
| Triglochin palustris |
ARROW-GRASS |
| Trillium flexipes |
DECLINED TRILLIUM |
| Trillium recurvatum |
RED TRILLIUM |
| Trillium sessile |
SESSILE TRILLIUM |
| Triodanis perfoliata |
VENUS' LOOKING-GLASS |
| Triosteum aurantiacum |
EARLY HORSE GENTIAN |
| Triosteum perfoliatum |
LATE HORSE GENTIAN |
| Triticum aestivum |
BEARDED WHEAT |
| Triticum cylindricum |
JOINTED GOAT GRASS |
| Typha angustifolia |
NARROW-LEAVED CATTAIL |
| Typha latifolia |
CATTAIL |
| Ulmus americana |
AMERICAN ELM |
| Ulmus pumila |
SIBERIAN ELM |
| Ulmus rubra |
SLIPPERY ELM |
| Ulmus thomasii |
CORK ELM |
| Urtica dioica |
STINGING NETTLE |
| Uvularia grandiflora |
BIG MERRY BELLS |
| Vaccaria pyramidata |
COW HERB |
| Valeriana edulis ciliata |
VALERIAN |
| Vallisneria americana |
EEL GRASS |
| Verbascum blattaria |
MOTH MULLEIN |
| Verbascum thapsus |
WOOLLY MULLEIN |
| Verbena bracteata |
CREEEPING VERVAIN |
| Verbena hastata |
BLUE VERVAIN |
| Verbena simplex |
NARROW-LEAVED VERVAIN |
| Verbena stricta |
HOARY VERVAIN |
| Verbena urticifolia |
WHITE VERVIAN |
| Verbesina alternifolia |
WING STEM |
| Vernonia fasciculata |
COMMON IRONWEED |
| Vernonia gigantea |
TALL IRON WEED |
| Vernonia missurica |
MISSOURI IRONWEED |
| Veronica americana |
AMERICAN BROOKLIME |
| Veronica arvensis |
CORN SPEEDWELL |
| Veronica catenata |
WATER SPEEDWELL |
| Veronica peregrina |
PURSLANE SPEEDWELL |
| Veronica serpyllifolia |
THYME-LEAVED SPEEDWELL |
| Veronicastrum virginicum |
CULVER'S ROOT |
| Viburnum lantana |
WAYFARING TREE |
| Viburnum lentago |
NANNYBERRY |
| Viburnum opulus |
EUROPEAN HIGH-BUSH CRANBERRY |
| Viburnum prunifolium |
BLACK HAW |
| Viburnum rafinesquianum |
DOWNY ARROWWOOD |
| Vicia americana |
AMERICAN VETCH |
| Vicia villosa |
WINTER VETCH |
| Vinca minor |
COMMON PERIWINKLE |
| Viola X wittrockiana |
PANSY |
| Viola odorata |
ENGLISH VIOLET |
| Viola pedatifida |
PRAIRIE VIOLET |
| Viola pubescens eriocarpa |
SMOOTH YELLOW VIOLET |
| Viola sagittata |
ARROW-LEAVED VIOLET |
| Viola sororia |
WOOLLY BLUE VIOLET |
| Viola tricolor |
JOHNNY-JUMP-UP |
| Vitis riparia |
RIVERVBANK GRAPE |
| Wolffia columbiana |
COMMON WATERMEAL |
| Xanthium strumarium canadensis |
COCKLE BUR |
| Xanthium strumarium glabratum |
COCKLE BUR |
| Yucca flaccida |
ADAM'S NEEDLE |
| Zanthoxylum americanum |
PRICKLY ASH |
| Zea mays |
CORN |
| Zizania aquatica |
GIANT WILD RICE |
| Zizia aptera |
HEART-LEAVED MEADOW PARSNIP |
| Zizia aurea |
GOLDEN ALEXANDERS |
| Zosterella dubia |
WATER STAR-GRASS |