1,065 records for MENARD County Abutilon theophrastii BUTTONWEED Acalypha gracilens SLENDER THREE-SEEDED MERCURY Acalypha rhomboidea THREE-SEEDED MERCURY Acalypha virginica 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 Aesculus glabra OHIO BUCKEYE Agalinis aspera ROUGH FALSE FOXGLOVE Agalinis gattingeri ROUND-STEMMED FALSE FOXGLOVE Agalinis purpurea FALSE FOXGLOVE Agalinis tenuifolia SLENDER FALSE FOXGLOVE Agastache foeniculum BLUE GIANT HYSSOP Agastache nepetoides YELLOW GIANT HYSSOP Agastache scrophulariaefolia PURPLE GIANT HYSSOP Agrimonia gryposepala TALL AGRIMONY Agrimonia parviflora SWAMP AGRIMONY Agrimonia pubescens SOFT AGRIMONY Agropyron repens COUCH GRASS Agropyron smithii COLORADO BLUESTEM Agrostemma githago CORN COCKLE 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 Alopecurus aequalis FOXTAIL Alopecurus carolinianus ANNUAL FOXTAIL Amaranthus albus TUMBLEWEED Amaranthus graecizans PROSTRATE AMARANTH Amaranthus hybridus GREEN AMARANTH Amaranthus retroflexus ROUGH PIGWEED Amaranthus spinosus SPINY PIGWEED Amaranthus tuberculatus TALL WATERHEMP Ambrosia artemisiifolia BITTERWEED Ambrosia bidentata LANCELEAF RAGWEED Ambrosia psilostachya WESTERN RAGWEED Ambrosia trifida BUFFALO WEED Ammannia coccinea LONG-LEAVED AMMANNIA Amorpha canescens LEAD PLANT Amorpha fruticosa FALSE INDIGO BUSH Amphicarpa bracteata HOG PEANUT Amsonia tabernaemontana BLUE STAR Anagallis minima CHAFFWEED Andropogon gerardii BIG BLUESTEM Andropogon virginicus BROOM SEDGE Anemone caroliniana CAROLINA ANEMONE Anemone cylindrica CANDLE ANEMONE Anemone quinquefolia WOOD ANEMONE Anemone virginiana TALL ANEMONE Anthemis cotula DOG FENNEL Apios americana GROUNDNUT Aplectrum hyemale ADAM-AND-EVE Apocynum cannabinum DOGBANE Apocynum sibiricum INDIAN HEMP Aquilegia canadensis COLUMBINE Arabis canadensis SICKLEPOD Arabis glabra TOWER MUSTARD Arabis hirsuta pycnocarpa HAIRY ROCK CRESS Arabis laevigata SMOOTH ROCK CRESS Arabis shortii TOOTHED CRESS Aralia racemosa AMERICAN SPIKENARD Arctium minus COMMON BURDOCK Argemone mexicana MEXICAN POPPY Arisaema dracontium GREEN DRAGON Arisaema triphyllum INDIAN TURNIP Aristida basiramea FORKED-TIP THREE-AWN GRASS Aristida desmantha THREE AWN Aristida dichotoma POVERTY GRASS Aristida longespica THREE AWN Aristida oligantha PLAINS THREE AWN GRASS Aristida purpurascens ARROWFEATHER Aristolochia serpentaria BIRTHWORT Armoracia aquatica LAKE CRESS Armoracia rusticana HORSERADISH Artemisia campestris BEACH WORMWOOD Artemisia dracunculus FALSE TARRAGON Artemisia ludoviciana LOUISIANA SAGEBRUSH Artemisia serrata SAW-TOOTHED SAGEBRUSH Aruncus dioicus GOAT'S-BEARD Asarum canadense reflexum CANADA WILD GINGER Asclepias amplexicaulis SAND MILKWEED Asclepias exaltata POKE MILKWEED 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 tuberosa interior BUTTERFLYWEED Asclepias verticillata HORSETAIL MILKWEED Asclepias viridiflora GREEN MILKWEED Asimina triloba BANANA TREE Asparagus officinalis GARDEN ASPARAGUS Asplenium platyneuron EBONY SPLEENWORT Aster anomalus BLUE ASTER Aster azureus AZURE ASTER Aster drummondii DRUMMOND'S ASTER Aster ericoides HEATH ASTER Aster ericoides prostratus HEATH ASTER Aster firmus GLOSSY-LEAF ASTER Aster laevis SMOOTH ASTER Aster lateriflorus SIDE-FLOWERED ASTER Aster linariifolius FLAX-LEAVED ASTER Aster novae-angliae NEW ENGLAND ASTER Aster oblongifolius AROMATIC ASTER Aster ontarionis ONTARIO ASTER Aster parviceps ASTER Aster pilosus HAIRY ASTER Aster praealtus WILLOW-LEAVED ASTER Aster puniceus SWAMP ASTER Aster sagittifolius ARROW ASTER Aster sericeus SILKY ASTER Aster shortii SHORT'S ASTER Aster simplex PANICLED ASTER Aster turbinellus ASTER Aster umbellatus FLATTOP ASTER Aster vimineus FROST FLOWER Astragalus distortus BENT MILK VETCH Athyrium angustum LADY FERN Atriplex argentea SILVER ORACH Atriplex patula FAT-HEN SALTBUSH Aureolaria grandiflora pulchra YELLOW FALSE FOXGLOVE Avena sativa CULTIVATED OATS Bacopa rotundifolia WATER HYSSOP Baptisia lactea WHITE WILD INDIGO Baptisia leucophaea CREAM WILD INDIGO Barbarea vulgaris arcuata WINTER CRESS Berberis thunbergii JAPANESE BARBERRY Besseya bullii KITTEN TAILS Betula nigra RED BIRCH Bidens aristosa SWAMP MARIGOLD Bidens bipinnata SPANISH NEEDLES Bidens cernua NODDING BEGGAR-TICKS Bidens connata PURPLESTEM BEGGAR-TICKS Bidens frondosa COMMON BEGGAR-TICKS Bidens tripartita BEGGARTICK Bidens vulgata STICKTIGHT Blephilia ciliata PAGODA PLANT Blephilia hirsuta PAGODA PLANT Boehmeria cylindrica FALSE NETTLE Boltonia asteroides FALSE ASTER Boltonia decurrens FALSE ASTER Botrychium virginianum RATTLESNAKE FERN Bouteloua curtipendula MESQUITE GRASS Bouteloua hirsuta BLACK GRAMMA Brachyelytrum erectum LONG-AWNED WOOD GRASS Brassica juncea CHINESE MUSTARD Brassica kaber pinnatifida CHARLOCK Brassica nigra BLACK MUSTARD Brickellia eupatorioides FALSE BONESET Bromus ciliatus CANADA BROME GRASS Bromus commutatus HAIRY BROME Bromus inermis AWNLESS BROME GRASS Bromus japonicus JAPANESE BROME Bromus pubescens CANADA BROME GRASS Bromus racemosus BALD BROME Bromus secalinus CHEAT Bromus tectorum CHEAT GRASS BROME Buchnera americana BLUE HEARTS Buglossoides arvense CORN GROMWELL Bulbostylis capillaris HAIR SEDGE Cacalia atriplicifolia PALE INDIAN PLANTAIN Cacalia muhlenbergii GREAT INDIAN PLANTAIN Cacalia plantaginea PRAIRIE INDIAN PLANTAIN Calamagrostis canadensis BLUEJOINT GRASS Callirhoe triangulata POPPY MALLOW Callitriche heterophylla LARGE WATER STARWORT Callitriche terrestris TERRESTRIAL STARWORT Callitriche verna COMMON WATER STARWORT Calopogon tuberosus GRASS PINK ORCHID Caltha palustris COWSLIP Calystegia sepium americana AMERICAN BINDWEED Calystegia spithamaea DWARF BINDWEED Camassia scilloides WILD HYACINTH Camelina microcarpa FALSE FLAX Campanula americana AMERICAN BELLFLOWER Campsis radicans TRUMPET CREEPER Cannabis sativa HASHISH Capsella bursa-pastoris SHEPERD'S-PURSE Caragana arborescens PEA-TREE Cardamine bulbosa BULB BITTERCRESS Cardamine pensylvanica BITTER CRESS Cardaria draba HOARY CRESS Carex albolutescens SEDGE Carex albursina SEDGE Carex bicknellii BICKNELL SEDGE Carex blanda WOODLAND SEDGE Carex brevior FESCUE SEDGE Carex buxbaumii BUXBAUM SEDGE Carex cephaloidea Carex cephalophora Carex comosa BRISTLY SEDGE Carex conjuncta Carex cristatella SEDGE Carex crus-corvi SEDGE Carex davisii DAVIS SEDGE Carex festucacea SEDGE Carex foenea SILVERTOP SEDGE Carex frankii SEDGE Carex gracilescens SEDGE Carex granularis MEADOW SEDGE Carex gravida HEAVY SEDGE Carex grayi BUR SEDGE Carex grisea SEDGE Carex hirsutella SEDGE Carex hirtifolia HAIRY SEDGE Carex hystricina BOTTLEBRUSH SEDGE Carex interior INLAND SEDGE Carex jamesii GRASS SEDGE Carex lacustris RIVER SEDGE Carex laeviconica SEDGE Carex lanuginosa WOOLY SEDGE Carex leavenworthii Carex lupulina HOP SEDGE Carex lurida SEDGE Carex muhlenbergii Carex muskingumensis SEDGE Carex normalis SEDGE Carex oligocarpa SEDGE Carex pensylvanica PENNSYLVANIA SEDGE Carex projecta SEDGE Carex richardsonii RICHARDSON SEDGE Carex richii SEDGE Carex rosea Carex sartwellii SARTWELL SEDGE Carex scoparia BROOM SEDGE Carex shortiana SEDGE Carex sparganioides Carex squarrosa SEDGE Carex stipata PRICKLY SEDGE Carex stricta TUSSOCK SEDGE Carex suberecta SEDGE Carex tenera SEDGE Carex tetanica SEDGE Carex tribuloides SEDGE Carex trichocarpa SEDGE Carex umbellata SEDGE Carex vesicaria BLISTER SEDGE Carex vulpinoidea FOX SEDGE Carpinus caroliniana AMERICAN HORNBEAM Carya cordiformis BITTERNUT HICKORY Carya glabra PIGNUT HICKORY Carya illinoensis PECAN Carya ovata SCALY-BARK HICKORY Carya tomentosa MOCKERNUT HICKORY Cassia fasciculata GOLDEN CASSIA Cassia marilandica MARYLAND SENNA Castilleja coccinea INDIAN PAINTBRUSH Catalpa speciosa CIGAR TREE Caulophyllum thalictroides BLUE COHOSH Ceanothus americanus NEW JERSEY TEA Celastrus scandens BITTERSWEET Celtis laevigata SUGARBERRY Celtis occidentalis HACKBERRY Celtis occidentalis canina HACKBERRY Cenchrus longispinus MAT SANDBUR Centaurea cyanus BACHELOR'S BUTTON Cephalanthus occidentalis BUTTONBUSH Cerastium glomeratum CLAMMY CHICKWEED Cerastium nutans NODDING MOUSE-EAR CHICKWEED Cerastium vulgatum COMMON MOUSE-EAR CHICKWEED Ceratophyllum demersum COONTAIL Cercis canadensis EASTERN REDBUD Chaenorrhinum minus DWARF SNAPDRAGON Chaerophyllum procumbens WILD CHERVIL Chamaesyce geyeri SPURGE Chamaesyce humistrata MILK SPURGE Chamaesyce maculata NODDING SPURGE Chamaesyce serpens ROUND-LEAVED SPURGE Chamaesyce supina MILK SPURGE Chasmanthium latifolium SEA OATS Chelone glabra WHITE TURTLEHEAD Chenopodium album LAMB'S QUARTERS Chenopodium ambrosioides AMERICAN WORMSEED Chenopodium botrys JERUSALEM-OAK Chenopodium gigantospermum MAPLE-LEAVED GOOSEFOOT Chenopodium standleyanum GOOSEFOOT Chenopodium urbicum CITY 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 Claytonia virginica SPRING BEAUTY Clematis pitcheri LEATHER FLOWER Clematis virginiana VIRGIN'S BOWER Comandra umbellata BASTARD TOAD-FLAX Commelina communis COMMON DAY FLOWER Commelina diffusa DAY FLOWER Conium maculatum POISON HEMLOCK Conopholis americana CANCER-ROOT Consolida ambigua ROCKET LARKSPUR Convolvulus arvensis FIELD BINDWEED Conyza canadensis HORSEWEED Conyza ramosissima DWARF FLEABANE Corallorhiza odontorhiza FALL CORAL-ROOT ORCHID Coreopsis lanceolata LANCE COREOPSIS Coreopsis palmata PRAIRIE COREOPSIS Coreopsis tripteris TALL COREOPSIS Corispermum hyssopifolium COMMON BUGSEED Cornus drummondii ROUGH-LEAVED DOGWOOD Cornus obliqua PALE DOGWOOD Cornus racemosa GRAY DOGWOOD Corylus americana AMERICAN FILBERT Crataegus crus-galli COCK-SPUR THORN Crataegus holmesiana HAWTHORN Crataegus mollis RED HAW Crotalaria sagittalis RATTLEBOX Croton capitatus CAPITATE CROTON Croton glandulosus septentrionalis SAND CROTON Croton monanthogynus CROTON Croton texensis TEXAS CROTON Crotonopsis linearis RUSHFOIL Cryptotaenia canadensis HONEWORT Cucurbita foetidissima MISSOURI GOURD Cuphea viscosissima BLUE WAXWEED Cuscuta cephalanthi BUTTONBUSH DODDER Cuscuta coryli HAZEL DODDER Cuscuta glomerata DODDER Cuscuta gronovii DODDER Cycloloma atriplicifolium TUMBLE RINGWING Cynanchum laeve BLUE VINE Cynoglossum officinale COMMON HOUND'S TONGUE Cyperus acuminatus TAPERLEAF FLAT SEDGE Cyperus aristatus BEARDED FLAT SEDGE Cyperus diandrus LOW FLAT SEDGE Cyperus erythrorhizos RED-ROOTED SEDGE Cyperus esculentus CHUFA Cyperus ferruginescens SLENDER FLATSEDGE Cyperus filiculmis FERN FLATSEDGE Cyperus filiculmis macilentus Cyperus flavescens Cyperus ovularis HEDGEHOG CLUB RUSH Cyperus rivularis BROOK FLAT SEDGE Cyperus schweinitzii SCHWEINITZ FLATSEDGE Cyperus strigosus STRAW COLORED FLATSEDGE Cypripedium pubescens LG. YELLOW LADY-SLIPPER ORCHID Cystopteris X tennesseensis TENNESSEE FRAGILE 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 Delphinium tricorne DWARF LARKSPUR Dentaria laciniata PEPPER-ROOT Descurainia pinnata brachycarpa TANSY MUSTARD Desmanthus illinoensis ILLINOIS BUNDLEFLOWER Desmodium canadense SHOWY TICK TREFOIL Desmodium canescens HOARY TICK TREFOIL Desmodium ciliare HAIRY TICK TREFOIL Desmodium cuspidatum TICK TREFOIL Desmodium cuspidatum longifolium TICK TREFOIL Desmodium glabellum TICK TREFOIL Desmodium glutinosum BEGGAR'S LICE Desmodium illinoense ILLINOIS TICK TREFOIL Desmodium laevigatum GLAUCOUS TICK TREFOIL Desmodium marilandicum SMALL-LEAVED TICK TREFOIL Desmodium nudiflorum BARE-STEMMED TICK TREFOIL Desmodium obtusum STIFF TICK TREFOIL Desmodium paniculatum PANICLED TICK TREFOIL Desmodium sessilifolium SESSILE-LEAVED TICKTREFOIL Dianthus deltoides MAIDEN PINK Diarrhena americana obovata BEAK GRASS Dicentra cucullaria DUTCHMAN'S-BREECHES Dichanthelium acuminatum fasciculatum PANIC GRASS Dichanthelium acuminatum lindheimeri PANIC GRASS Dichanthelium clandestinum BROAD-LEAVED PANIC GRASS Dichanthelium dichotomum FORKED PANIC GRASS Dichanthelium latifolium Dichanthelium leibergii Dichanthelium oligosanthes Dichanthelium oligosanthes scribnerianum SCRIBNER'S PANIC GRASS Dichanthelium villosissimum HAIRY PANIC GRASS Dichanthelium villosissimum praecocius Dichanthelium villosissimum pseudopubesc Didiplis diandra WATER PURSLANE Digitaria filiformis FINGER GRASS Digitaria ischaemum SMOOTH CRAB GRASS Digitaria sanguinalis HAIRY CRAB GRASS Dioscorea villosa WILD YAM Diospyros virginiana PERSIMMON Dipsacus laciniatus CUT-LEAVED TEASEL Dipsacus sylvestris COMMON TEASEL Dodecatheon meadia SHOOTING STAR Draba reptans WHITLOW GRASS Dracocephalum parviflorum AMERICAN DRAGONHEAD Dryopteris carthusiana SPINULOSE WOODFERN Dyssodia papposa FETID MARIGOLD Echinacea pallida PALE PURPLE CONEFLOWER Echinochloa muricata BARNYARD GRASS Echinochloa muricata wiegandii BARNYARD GRASS Echinocystis lobata WILD BALSAM-APPLE Echinodorus berteroi lanceolatus BURHEAD Echinodorus cordifolius CREEPING BURHEAD Eclipta prostrata YERBA DE TAJO Elaeagnus angustifolia RUSSIAN OLIVE Elatine brachysperma WATERWORT Eleocharis acicularis NEEDLE SPIKE RUSH Eleocharis elliptica compressa FLAT-STEMMED SPIKE RUSH Eleocharis erythropoda Eleocharis intermedia MATTED SPIKE RUSH Eleocharis obtusa Eleocharis obtusa detonsa SPIKE RUSH Eleocharis obtusa ovata SPIKE RUSH Eleocharis palustris Eleocharis verrucosa SLENDER SPIKE RUSH Eleusine indica GOOSE GRASS Ellisia nyctelea AUNT LUCY Elodea canadensis ANACHARIS Elodea nuttallii ELODEA Elymus canadensis CANADA WILD RYE Elymus hystrix BOTTLEBRUSH GRASS Elymus villosus HAIRY WILD RYE Elymus virginicus LYME GRASS Epilobium coloratum CINNAMON WILLOW HERB Equisetum X ferrissii INTERMEDIATE SCOURING RUSH Equisetum arvense COMMON HORSETAIL Equisetum hyemale affine SCOURING RUSH Equisetum laevigatum SMOOTH SCOURING RUSH Eragrostis capillaris LACE GRASS Eragrostis cilianensis STINK GRASS Eragrostis diffusa WESTERN LOVE GRASS Eragrostis frankii SANDBAR LOVE GRASS Eragrostis hypnoides CREEPING LOVE GRASS Eragrostis pectinacea CAROLINA LOVE GRASS Eragrostis spectabilis PURPLE LOVE GRASS Eragrostis trichodes ICE CREAM GRASS Erechtites hieracifolia FIRE WEED 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 repandum TREACLE MUSTARD Erythronium albidum WHITE ADDER'S TONGUE Euonymus atropurpureus BURNING BUSH Eupatorium altissimum TALL BONESET Eupatorium coelestinum BLUE BONSET Eupatorium fistulosum HOLLOW 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 Euphorbia helioscopia SUN SPURGE Euphorbia marginata SNOW-ON-THE-MOUNTAIN Euphorbia obtusata BLUNT-LEAVED SPURGE Euphorbia peplus PETTY SPURGE Euthamia graminifolia GRASSLEAF GOLDENROD Festuca obtusa NODDING FESCUE Festuca paradoxa FESCUE Festuca pratensis ENGLISH BLUEGRASS Fimbristylis autumnalis AUTUMN SEDGE Fragaria virginiana WILD STRAWBERRY Fraxinus americana WHITE ASH Fraxinus pennsylvanica GREEN ASH Froelichia floridana campestris COTTONWEED Froelichia gracilis COTTONWEED 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 pilosum HAIRY BEDSTRAW Galium triflorum SWEET-SCENTED BEDSTRAW Gaura biennis BUTTERFLY-WEED Gaura parviflora SMALL-FLOWERED GAURA Gentiana alba PALE GENTIAN Gentiana andrewsii CLOSED GENTIAN Gentiana puberulenta DOWNY GENTIAN Gentianella quinquefolia occidentalis STIFF GENTIAN Geranium carolinianum WILD CRANESBILL 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 Gnaphalium obtusifolium CATFOOT Gratiola neglecta CLAMMY HEDGE HYSSOP Gratiola virginiana ROUND-FRUITED HEDGE HYSSOP Gymnocladus dioicus KENTUCKY COFFEETREE Hackelia virginiana STICKSEED Hedeoma hispida ROUGH PENNYROYAL Hedeoma pulegioides AMERICAN PENNYROYAL Hedyotis purpurea calycosa BLUETS Helenium autumnale AUTUMN SNEEZEWEED Helianthemum bicknellii FROSTWEED Helianthemum canadense COMMON ROCKROSE Helianthus divaricatus DIVERGENT SUNFLOWER Helianthus grosseserratus SAWTOOTH 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 Heliotropium indicum INDIAN HELIOTROPE Hemerocallis fulva DAY LILY Hepatica nobilis acuta SHARP-LOBED HEPATICA Hesperis matronalis DAME'S ROCKET Heterotheca camporum GOLDEN ASTER Heuchera richardsonii grayana PRAIRIE ALUMROOT Hibiscus laevis HALBERD-LEAVED ROSE MALLOW Hibiscus trionum FLOWER-OF-AN-HOUR Hieracium scabrum HAIRY HAWKWEED Holosteum umbellatum JAGGED CHICKWEED Hordeum jubatum FOX-TAIL BARLEY Hordeum pusillum LITTLE BARLEY Humulus lupulus COMMON HOPS Hybanthus concolor GREEN VIOLET Hydrangea arborescens WILD HYDRANGEA Hydrastis canadensis GOLDEN SEAL Hydrophyllum appendiculatum GREAT WATERLEAF Hydrophyllum canadense BROAD-LEAVED WATERLEAF Hydrophyllum virginianum VIRGINIA WATERLEAF Hypericum canadense CANADIAN ST. JOHNS-WORT Hypericum gentianoides PINEWEED Hypericum gymnanthum SMALL ST. JOHNS-WORT Hypericum mutilum DWARF ST. JOHNS-WORT Hypericum prolificum SHRUBBY 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 Inula helenium ELECAMPANE Iodanthus pinnatifidus PURPLE ROCKET Ipomoea coccinea RED MORNING-GLORY Ipomoea hederacea IVY-LEAVED MORNING GLORY Ipomoea lacunosa SMALL WHITE MORNING-GLORY Ipomoea pandurata WILD SWEET POTATO VINE Ipomoea purpurea COMMON MORNING-GLORY Iris brevicaulis BLUE WATER IRIS Iris shrevei SOUTHERN BLUE FLAG Isoetes melanopoda BLACK QUILLWORT Isopyrum biternatum FALSE RUE ANEMONE Iva annua MARSH ELDER Juglans cinerea BUTTERNUT Juglans nigra BLACK WALNUT Juncus acuminatus KNOTTY-LEAVED RUSH Juncus biflorus TWO-FLOWERED RUSH Juncus brachycarpus RUSH Juncus bufonius TOAD RUSH Juncus canadensis CANADIAN RUSH Juncus dudleyi DUDLEY RUSH Juncus interior INLAND RUSH Juncus marginatus GRASS-LEAVED RUSH Juncus scirpoides RUSH Juncus tenuis PATH RUSH Juncus torreyi TORREY RUSH Juniperus virginiana EASTERN RED CEDAR Kochia scoparia BELVEDERE SUMMER CYPRESS Koeleria macrantha CRESTED HAIR GRASS Krigia biflora FALSE DANDELOIN Krigia virginica DWARF DANDELION 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 Lathyrus palustris MARSH PEAVINE Lathyrus palustris myrtifolius VETCHLING Lechea villosa HAIRY PINWEED Leersia lenticularis CATCHFLY GRASS Leersia oryzoides RICE CUTGRASS Leersia virginica WHITE GRASS Lemna minor COMMON DUCKWEED Lemna obscura DUCKWEEED Leonurus cardiaca MOTHERWORT Lepidium campestre FIELD CRESS Lepidium densiflorum PEPPERGRASS Lepidium virginicum COMMON PEPPERGRASS Leptochloa fascicularis BEARDED SPRANGLE TOP Leptoloma cognatum FALL WITCH GRASS Lespedeza capitata BUSH CLOVER Lespedeza cuneata CHINESE BUSH CLOVER Lespedeza violacea VIOLET BUSH CLOVER Lespedeza virginica SLENDER BUSH CLOVER Leucospora multifida Liatris aspera ROUGH BLAZING STAR Liatris cylindracea CYLINDRICAL BLAZING STAR Liatris pycnostachya BUTTON SNAKEROOT Liatris scariosa nieuwlandii BLAZING-STAR Lilium michiganense MICHIGAN LILY Linaria vulgaris BUTTER-AND-EGGS Lindera benzoin FEVERBUSH Lindernia dubia FALSE PIMPERNEL Lindernia dubia anagallidea SLENDER FALSE PIMPERNEL Linum sulcatum GROOVED YELLOW FLAX Liparis liliifolia LARGE TWAYBLADE Liparis loeselii GREEN TWAYBLADE Lithospermum canescens HOARY PUCCOON Lithospermum caroliniense HAIRY PUCCOON Lithospermum incisum YELLOW PUCCOON Lithospermum latifolium AMERICAN GROMWELL Lobelia cardinalis CARDINAL-FLOWER Lobelia inflata INDIAN TOBACCO Lobelia siphilitica BLUE CARDINAL-FLOWER Lobelia spicata SPIKED LOBELIA Lobelia spicata leptostachys SPIKED LOBELIA Lolium perenne CRESTED RYE GRASS Lolium temulentum DARNEL Lonicera prolifera GRAPE HONEYSUCKLE Ludwigia alternifolia SEEDBOX Ludwigia polycarpa FALSE LOOSESTRIFE Lychnis alba EVENING CAMPION Lycium barbarum COMMON MATRIMONY VINE Lycopus americanus COMMON WATER HOREHOUND Lycopus virginicus BUGLE WEED Lysimachia ciliata FRINGED LOOSESTRIFE Lysimachia hybrida LOOSESTRIFE Lysimachia lanceolata LANCE-LEAVED LOOSESTRIFE Lysimachia nummularia MONEYWORT Lysimachia quadriflora NARROW-LEAVED LOOSESTRIFE Lysimachia thyrsiflora TUFTED LOOSESTRIFE Lythrum alatum WINGED LOOSESTRIFE Maclura pomifera HEDGE APPLE Malaxis unifolia GREEN ADDER'S MOUTH ORCHID Malus ioensis IOWA CRAB APPLE Malva neglecta CHEESES Marrubium vulgare COMMON HOREHOUND 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 Mertensia virginica BLUEBELLS Mimulus alatus WINGED MONKEY FLOWER Mimulus ringens MONKEY FLOWER Mirabilis nyctaginea WILD FOUR-O'CLOCK Mollugo verticillatus CARPETWEED Monarda fistulosa WILD BERGAMOT Monarda punctata villicaulis HORSEMINT Monotropa hypopithys PINESAP Monotropa uniflora INDIAN PIPE Morus alba WHITE MULBERRY Morus alba tatarica RUSSIAN MULBERRY Morus rubra RED MULBERRY Muhlenbergia asperifolia ALKALI MUHLY Muhlenbergia bushii MUHLY Muhlenbergia glabrifloris MUHLY Muhlenbergia mexicana LEAFY SATIN GRASS Muhlenbergia racemosa GREEN MUHLY Muhlenbergia schreberi NIMBLE WILL Muhlenbergia sobolifera MUHLY Muhlenbergia sylvatica MUHLY Muhlenbergia tenuiflora SLENDER MUHLY Myosotis verna SCORPION GRASS Najas flexilis BUSHY PONDWEED Najas guadalupensis SOUTHERN NAIAD Napaea dioica GLADE MALLOW Nelumbo lutea AMERICAN LOTUS Nepeta cataria CATNIP Nicandra physalodes APPLE-OF-PERU Nicotiana rustica WILD TOBACCO Nothoscordum bivalve CROW POISON Nuphar luteum macrophyllum SPATTERDOCK Oenothera biennis EVENING PRIMROSE Oenothera laciniata RAGGED EVENING PRIMROSE Oenothera rhombipetala SAND PRIMROSE Onoclea sensibilis SENSITIVE FERN Onosmodium molle occidentale MARBLESEED Opuntia humifusa PRICKLY-PEAR Orobanche fasciculata CLUSTERED BROOMRAPE Orobanche ludoviciana BROOMRAPE Oryzopsis pungens MOUNTAIN RICE Osmorhiza claytonii SWEET CICELY Osmorhiza longistylis ANISE-ROOT Osmunda claytoniana INTERRUPTED FERN Osmunda regalis spectabilis REGAL FERN Ostrya virginiana HOP HORNBEAM Oxalis dillenii YELLOW WOOD SORREL Oxalis stricta YELLOW WOOD SORREL Oxalis violacea PURPLE OXALIS Oxypolis rigidior COWBANE Panicum capillare WITCH GRASS Panicum dichotomiflorum FALL PANICUM Panicum rigidulum MUNRO GRASS Panicum virgatum PRAIRIE SWITCHGRASS Parietaria pensylvanica PENNSYLVANIA PELLITORY Paronychia canadensis FORKED CHICKWEED Paronychia fastigiata FORKED CHICKWEED Parthenocissus quinquefolia VIRGINIA CREEPER Paspalum ciliatifolium BEADGRASS Pastinaca sativa PARSNIP Pedicularis canadensis LOUSEWORT Penstemon calycosus SMOOTH BEARD-TONGUE Penstemon digitalis FOXGLOVE BEARD-TONGUE Penstemon pallidus PALE BEARD-TONGUE Penthorum sedoides DITCH STONECROP Perideridia americana Phalaris arundinacea REED CANARY GRASS Phegopteris connectilis LONG BEECH FERN Phegopteris hexagonoptera BROAD BEECH FERN Phleum pratense TIMOTHY Phlox bifida CLEFF PHLOX Phlox glaberrima interior SMOOTH PHLOX Phlox paniculata GARDEN PHLOX Phlox pilosa DOWNY PHLOX Phryma leptostachya LOPSEED Phyla cuneifolia HOARY FOG-FRUIT Phyla lanceolata FOG-FRUIT Phyllanthus caroliniensis PHYLLANTHUS Physalis angulata GROUND CHERRY Physalis heterophylla GROUND CHERRY Physalis pruinosa GROUND CHERRY Physalis subglabrata SMOOTH GROUND CHERRY Physalis virginiana GROUND CHERRY Physostegia speciosa FALSE DRAGONHEAD Physostegia virginiana FALSE DRAGONHEAD Phytolacca americana POKEWEED Picris hieracioides CAT'S-EAR Pilea pumila CANADA CLEARWEED Plantago aristata BRACTED PLANTAIN Plantago cordata HEARTLEAF PLANTAIN Plantago lanceolata BUCKHORN Plantago patagonica brevicarpa SALT AND PEPPER PLANT Plantago pusilla SMALL PLANTAIN Plantago rugelii RED-STALKED PLANTAIN Plantago virginica DWARF PLANTAIN Platanthera leucophaea PRAIRIE WHITE FRINGED ORCHID Platanus occidentalis BUTTONWOOD Poa annua ANNUAL BLUEGRASS Poa chapmaniana ANNUAL BLUEGRASS Poa compressa CANADIAN BLUEGRASS Poa pratensis KENTUCKY BLUEGRASS Podophyllum peltatum MAYAPPLE Poinsettia cyanthophora WILD POINSETTIA Poinsettia dentata WILD POINSETTIA Polanisia dodecandra CLAMMYWEED Polanisia dodecandra trachysperma CLAMMYWEED Polygala cruciata aquilonia CROSS MILKWORT Polygala sanguinea FIELD MILKWORT Polygala senega SENECA SNAKEROOT 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 lapathifolium CURTTOP LADY'S THUMB Polygonum pensylvanicum laevigatum PENNSYLVANIA SMARTWEED Polygonum persicaria SPOTTED LADY'S THUMB Polygonum punctatum DOTTED SMARTWEED Polygonum ramosissimum BUSHY KNOTWEED Polygonum scandens CLIMBING BUCKWHEAT Polygonum tenue SLENDER KNOTWEED Polygonum virginianum VIRGINIA KNOTWEED Polystichum acrostichoides CHRISTMAS FERN Polytaenia nuttallii PRAIRIE PARSLEY Populus alba WHITE POPLAR Populus deltoides EASTERN COTTONWOOD Portulaca oleracea PURSLANE Potamogeton diversifolius WATERTHREAD PONDWEED Potamogeton foliosus LEAFY PONDWEED Potamogeton illinoensis ILLINOIS PONDWEED Potamogeton pectinatus COMB PONDWEED Potamogeton pulcher SPOTTED PONDWEED Potamogeton pusillus BABY PONDWEED Potamogeton zosteriformis FLATSTEM PONDWEED Potentilla arguta PRAIRIE CINQUEFOIL Potentilla norvegica ROUGH CINQUEFOIL Potentilla recta SULFUR CINQUEFOIL Potentilla simplex COMMON CINQUEFOIL Prenanthes aspera ROUGH WHITE LETTUCE Prenanthes crepidinea GREAT WHITE LETTUCE Prenanthes racemosa GLAUCOUS WHITE LETTUCE Prunella vulgaris elongata SELF-HEAL Prunus americana AMERICAN PLUM Prunus americana lanata WILD PLUM Prunus angustifolia CHICKASAW PLUM Prunus hortulana WILD GOOSE PLUM Prunus serotina WILD BLACK CHERRY Psoralea onobrychis FRENCH GRASS Psoralea tenuiflora SCURF-PEA 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 bicolor SWAMP WHITE OAK Quercus imbricaria JACK OAK Quercus macrocarpa BURR OAK Quercus marilandica BLACKJACK OAK Quercus palustris PIN OAK Quercus prinoides acuminata CHINKAPIN OAK Quercus rubra NORTHERN RED OAK Quercus stellata POST OAK Quercus velutina BLACK OAK Ranunculus abortivus LITTLE-LEAF BUTTERCUP Ranunculus fascicularis EARLY BUTTERCUP Ranunculus flabellaris YELLOW WATER BUTTERCUP Ranunculus longirostris LONGBEAK BUTTERCUP Ranunculus recurvatus HOOKED BUTTERCUP Ranunculus sceleratus CURSED CROWFOOT Ranunculus septentrionalis SWAMP BUTTERCUP Ratibida pinnata DROOPING CONEFLOWER Rhamnus lanceolata LANCE-LEAVED BUCKTHORN Rhus glabra SMOOTH SUMAC Ribes americanum WILD BLACK CURRENT Ribes hirtellum NORTHERN GOOSEBERRY Ribes missouriense MISSOURI GOOSEBERRY Ribes rubrum RED CURRENT Rorippa islandica fernaldiana MARSH YELLOW CRESS Rorippa sessiliflora SESSILE-FLOWERED CRESS Rorippa sylvestris CREEPING YELLOW CRESS Rosa carolina PASTURE ROSE Rosa eglanteria SWEET-BRIER Rosa multiflora JAPANESE ROSE Rosa setigera ILLINOIS ROSE Rotala ramosior TOOTH-CUP Rubus allegheniensis COMMON BLACKBERRY Rubus argutus HIGHBUSH BLACKBERRY Rubus flagellaris DEWBERRY Rubus occidentalis BLACK RASPBERRY Rudbeckia fulgida sullivantii SULLIVANT'S ORANGE CONEFLOWER Rudbeckia hirta BLACK-EYED SUSAN Rudbeckia laciniata CUTLEAF CONEFLOWER Rudbeckia subtomentosa FRAGRANT CONEFLOWER Rudbeckia triloba BROWN-EYED SUSAN Ruellia strepens SMOOTH 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 calycina ARROWLEAF Sagittaria cuneata ARUM-LEAVED ARROWHEAD Sagittaria graminea GRASS-LEAVED ARROWHEAD Sagittaria latifolia ARROWHEAD Salix discolor PUSSY WILLOW Salix exigua SANDBAR WILLOW Salix humilis PRAIRIE WILLOW Salix nigra BLACK WILLOW Salix rigida HEART-LEAVED WILLOW 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 Sassafras albidum RED SASSAFRAS Saururus cernuus LIZARD'S TAIL Saxifraga pensylvanica SWAMP SAXIFRAGE Scheuchzeria palustris americana ARROW-GRASS Schizachyrium scoparium LITTLE BLUESTEM Scirpus americanus AMERICAN BULRUSH Scirpus atrovirens DARK GREEN RUSH Scirpus cyperinus WOOL GRASS Scirpus fluviatilis RIVER BULRUSH Scirpus hallii BULRUSH Scirpus heterochaetus GREAT BULRUSH Scirpus micranthus Scirpus pendulus RED BULRUSH Scirpus purshianus WEAK BULRUSH Scirpus smithii BULRUSH Scirpus tabernaemontanii GREAT BULRUSH Scrophularia marilandica LATE FIGWORT Scutellaria incana DOWNY SKULLCAP Scutellaria lateriflora MAD-DOG SKULLCAP Scutellaria leonardii SMALL SKULLCAP Scutellaria nervosa VEINY SKULLCAP Scutellaria ovata HEART-LEAVED SKULLCAP Scutellaria parvula SMALL SKULLCAP Secale cereale RYE Selaginella eclipes SMALL CLUBMOSS Senecio aureus GOLDEN RAGWORT Senecio plattensis PRAIRIE GROUNDSEL Senecio vulgaris COMMON GROUNDSEL Setaria faberi GIANT FOXTAIL Setaria glauca PIGEON GRASS Setaria italica FOXTAIL MILLET Setaria viridis COMMON FOXTAIL Sibara virginica VIRGINIA ROCK CRESS Sicyos angulatus BUR CUCUMBER Sida spinosa PRICKLY SIDA Silene antirrhina SLEEPY CATCHFLY Silene cserei GLAUCOUS CAMPION Silene nivea SNOW CAMPION Silene stellata STARRY CAMPION Silphium integrifolium WHOLELEAF ROSINWEED Silphium perfoliatum CUP PLANT Silphium terebinthinaceum DOCK ROSIN-WEED Sisymbrium altissimum TUMBLE MUSTARD Sisymbrium officinale HEDGE MUSTARD Sisyrinchium albidum BLUE-EYED GRASS Sisyrinchium angustifolium COMMON BLUE-EYED GRASS Sisyrinchium campestre PRAIRIE BLUE-EYED GRASS 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 ptycanthum BLACK NIGHTSHADE Solanum triflorum CUT-LEAVED NIGHTSHADE Solidago flexicaulis BROADLEAF GOLDENROD Solidago gigantea LATE GOLDENROD Solidago juncea EARLY GOLDENROD Solidago missouriensis MISSOURI GOLDENROD Solidago nemoralis DYERSWEED GOLDENROD Solidago patula ROUGH-LEAF GOLDENROD Solidago ptarmicoides STIFF ASTER Solidago riddellii RIDDELL'S GOLDENROD Solidago rigida RIGID GOLDENROD Solidago speciosa SHOWY GOLDENROD Solidago ulmifolia ELM-LEAVED GOLDENROD Sonchus oleraceus COMMON SOWTHISTLE Sorghastrum nutans INDIAN GRASS Sorghum bicolor BROOM CORN Sorghum halepense EGYPTIAN MILLET Spartina pectinata FRESHWATER CORD GRASS Spermacoce glabra SMOOTH BUTTONWEED Sphenopholis obtusata PRAIRIE WEDGE GRASS Sphenopholis obtusata major WEDGE GRASS Spiraea alba MEADOW-SWEET Spiranthes cernua NODDING LADIES-TRESSES Spiranthes lacera SLENDER LADIES' TRESSES Spiranthes magnicamporum DUNE LADIES' TRESSES Spiranthes vernalis SPRING LADIES' TRESSES Spirodela polyrhiza BIG DUCKWEED Sporobolus asper DROP SEED Sporobolus clandestinus DROPSEED Sporobolus cryptandrus SAND DROPSEED Sporobolus heterolepis NORTHERN DROP SEED Sporobolus neglectus PUFFSHEATH DROPSEED Sporobolus vaginiflorus NORTHERN RUSH GRASS Stachys aspera HYSSOP HEDGE NETTLE Stachys palustris homotricha WOUNDWORT Stachys tenuifolia SLENDERLEAF BETONY Staphylea trifolia BLADDERNUT Stellaria longifolia CHICKWEED Stellaria media COMMON CHICKWEED Stipa spartea NEEDLE GRASS Strophostyles helvola WILD BEAN Strophostyles leiosperma WILD BEAN Symphoricarpos orbiculatus BUCKBRUSH Symphytum officinale COMMON COMFREY Taenidia integerrima YELLOW PIMPERNEL Tanacetum vulgare COMMON TANSY Taraxacum officinale COMMON DANDELION Tephrosia virginiana GOAT'S RUE 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 Thaspium trifoliatum MEADOW PARSNIP Thelypteris palustris pubescens MARSH FERN Thlaspi arvense FIELD PENNY CRESS Tilia americana AMERICAN LINDEN Tomanthera auriculata AURICULATE FALSE FOXGLOVE Torilis japonica HEDGE PARSLEY Toxicodendron radicans POISON IVY Tradescantia bracteata PRAIRIE SPIDERWORT Tradescantia ohiensis SPIDERWORT Tradescantia virginiana SPIDERWORT Tribulus terrestris PUNCTURE-WEED Trichostema brachiatum FALSE PENNYROYAL Trichostema dichotomum BLUE CURLS 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 leptocarpa VENUS' LOOKING GLASS Triodanis perfoliata VENUS' LOOKING-GLASS Triosteum perfoliatum LATE HORSE GENTIAN Triphora trianthophora NODDING POGONIA Triplasis purpurea PURPLE SANDGRASS Tripsacum dactyloides GAMA GRASS 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 Vaccaria pyramidata COW HERB Vaccinium pallidum LOW-BUSH BLUEBERRY 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 helianthoides YELLOW CROWNBEARD Vernonia baldwinii BALDWIN'S IRONWEED Vernonia missurica MISSOURI IRONWEED Veronica arvensis CORN SPEEDWELL Veronica catenata WATER SPEEDWELL Veronica peregrina PURSLANE SPEEDWELL Veronica serpyllifolia THYME-LEAVED SPEEDWELL Veronicastrum virginicum CULVER'S ROOT Viburnum lentago NANNYBERRY Viburnum opulus EUROPEAN HIGH-BUSH CRANBERRY Viburnum prunifolium BLACK HAW Viburnum recognitum SMOOTH ARROWWOOD Viburnum rufidulum RUSTY NANNYBERRY Viburnum trilobum HIGH-BUSH CRANBERRY Vicia cracca BIRD VETCH Vicia dasycarpa HAIRY-FRUITED VETCH Vicia villosa WINTER VETCH Vinca minor COMMON PERIWINKLE Viola lanceolata LANCE-LEAVED VIOLET Viola missouriensis MISSOURI VIOLET Viola obliqua MARSH BLUE VIOLET Viola pedata BIRDFOOT VIOLET Viola pedatifida PRAIRIE VIOLET Viola pubescens eriocarpa SMOOTH YELLOW VIOLET Viola rafinesquii JOHNNY-JUMP-UP Viola sagittata ARROW-LEAVED VIOLET Viola sororia WOOLLY BLUE VIOLET Viola triloba CLEFT VIOLET Viola triloba dilatata CLEFT VIOLET Vitis aestivalis SUMMER GRAPE Vitis cinerea WINTER GRAPE Vitis riparia RIVERVBANK GRAPE Vitis vulpina FROST GRAPE Vulpia octoflora SIX-WEEKS FESCUE Vulpia octoflora tenella SIX-WEEKS FESCUE Wolffia punctata WATER-MEAL Wolffiella gladiata DUCKWEED Woodsia obtusa COMMON WOODSIA Xanthium strumarium canadensis COCKLE BUR Xanthium strumarium glabratum COCKLE BUR Yucca flaccida ADAM'S NEEDLE Zannichellia palustris COMMON POOLMAT Zanthoxylum americanum PRICKLY ASH Zizia aurea GOLDEN ALEXANDERS Zosterella dubia WATER STAR-GRASS