990 records for ADAMS County Abutilon theophrastii BUTTONWEED Acalypha rhomboidea THREE-SEEDED MERCURY Acalypha virginica THREE-SEEDED MERCURY Acer negundo ASH-LEAVED MAPLE Acer nigrum BLACK MAPLE Acer saccharinum RIVER MAPLE Acer saccharum HARD MAPLE Achillea millefolium COMMON MILFOIL Acorus americanus FLAG ROOT Actaea pachypoda DOLL'S-EYES Adiantum pedatum MAIDENHAIR FERN Aesculus glabra OHIO BUCKEYE Agalinis aspera ROUGH FALSE FOXGLOVE Agalinis skinneriana PALE FALSE FOXGLOVE Agalinis tenuifolia SLENDER FALSE FOXGLOVE Agastache nepetoides YELLOW GIANT HYSSOP Agrimonia gryposepala TALL AGRIMONY Agrimonia parviflora SWAMP AGRIMONY Agrimonia pubescens SOFT AGRIMONY Agrimonia rostellata WOODLAND AGRIMONY Agropyron repens COUCH GRASS Agropyron smithii COLORADO BLUESTEM Agrostemma githago CORN COCKLE Agrostis alba RED TOP Agrostis alba palustris CREEPING BENT GRASS Ailanthus altissima TREE-OF-HEAVEN Alisma plantago aquatica parviflorum COMMON WATER PLANTAIN Allium canadense WILD GARLIC Allium tricoccum RAMP Allium vineale FIELD GARLIC Alopecurus carolinianus ANNUAL FOXTAIL Amaranthus albus TUMBLEWEED Amaranthus hybridus GREEN AMARANTH Amaranthus retroflexus ROUGH PIGWEED Amaranthus rudis TAMARISK WATERHEMP Amaranthus spinosus SPINY PIGWEED Amaranthus tuberculatus TALL WATERHEMP Ambrosia artemisiifolia BITTERWEED Ambrosia bidentata LANCELEAF RAGWEED Ambrosia psilostachya WESTERN RAGWEED Ambrosia trifida BUFFALO WEED Amelanchier arborea JUNEBERRY Amelanchier humilis LOW SHADBUSH Ammannia coccinea LONG-LEAVED AMMANNIA Amorpha canescens LEAD PLANT Amorpha fruticosa FALSE INDIGO BUSH Ampelopsis cordata RACCOON GRAPE Amphicarpa bracteata HOG PEANUT Amphicarpa bracteata comosa HOG PEANUT Amsonia tabernaemontana BLUE STAR Andropogon gerardii BIG BLUESTEM Andropogon virginicus BROOM SEDGE Androsace occidentalis ANDROSACE Anemone canadensis MEADOW ANEMONE Anemone cylindrica CANDLE ANEMONE Anemone virginiana TALL ANEMONE Antennaria neglecta CAT'S FOOT Antennaria plantaginifolia EVERLASTING Antennaria plantaginifolia ambigens EVERLASTING Anthemis cotula DOG FENNEL Apios americana GROUNDNUT Apocynum cannabinum DOGBANE Apocynum sibiricum INDIAN HEMP Aquilegia canadensis COLUMBINE Arabis canadensis SICKLEPOD Arabis hirsuta pycnocarpa HAIRY ROCK CRESS 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 dichotoma POVERTY GRASS Aristida longespica THREE AWN Aristida oligantha PLAINS THREE AWN GRASS Armoracia rusticana HORSERADISH Artemisia annua ANNUAL WORMWOOD Artemisia biennis BIENNIAL WORMWOOD 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 hirtella TALL GREEN MILKWEED Asclepias incarnata SWAMP MILKWEED Asclepias purpurascens PURPLE MILKWEED Asclepias quadrifolia WHORLED MILKWEED Asclepias stenophylla NARROW-LEAVED GREEN 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 Asplenium rhizophyllum WALKING FERN Aster anomalus BLUE ASTER Aster cordifolius BLUEWOOD ASTER Aster drummondii DRUMMOND'S ASTER Aster ericoides HEATH ASTER Aster ericoides prostratus HEATH ASTER Aster lateriflorus SIDE-FLOWERED 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 sagittifolius ARROW ASTER Aster simplex PANICLED ASTER Aster turbinellus ASTER Astragalus canadensis CANADIAN MILK VETCH Astragalus distortus BENT MILK VETCH Aureolaria grandiflora pulchra YELLOW FALSE FOXGLOVE Azolla mexicana MEXICAN AZOLLA Baptisia lactea WHITE WILD INDIGO Baptisia leucophaea CREAM WILD INDIGO Barbarea vulgaris arcuata WINTER CRESS Belamcanda chinensis BLACKBERRY LILLY Betula nigra RED BIRCH Bidens aristosa SWAMP MARIGOLD Bidens aristosa retrorsa Bidens bipinnata SPANISH NEEDLES Bidens cernua NODDING BEGGAR-TICKS Bidens coronata BEGGAR-TICKS Bidens discoidea STICKTIGHT Bidens frondosa COMMON BEGGAR-TICKS Bidens tripartita BEGGARTICK Blephilia ciliata PAGODA PLANT Blephilia hirsuta PAGODA PLANT Boehmeria cylindrica FALSE NETTLE Boltonia asteroides FALSE ASTER 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 rapa BIRD'S RAPE Brickellia eupatorioides FALSE BONESET Bromus arvensis CHESS Bromus ciliatus CANADA BROME GRASS 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 Buglossoides arvense CORN GROMWELL Cacalia atriplicifolia PALE INDIAN PLANTAIN Cacalia muhlenbergii GREAT INDIAN PLANTAIN Cacalia plantaginea PRAIRIE INDIAN PLANTAIN Calystegia sepium americana AMERICAN 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 Cardamine bulbosa BULB BITTERCRESS Cardamine douglassii NORTHERN BITTER CRESS Cardamine parviflora arenicola SMALL-FLOWERED BITTER CRESS Cardamine pensylvanica BITTER CRESS Carex aggregata Carex annectens xanthocarpa SEDGE Carex bicknellii BICKNELL SEDGE Carex blanda WOODLAND SEDGE Carex brevior FESCUE SEDGE Carex cephaloidea Carex cephalophora Carex communis SEDGE Carex conjuncta Carex crinita FRINGED SEDGE Carex cristatella SEDGE Carex davisii DAVIS SEDGE Carex eburnea SEDGE Carex emoryi EMORY SEDGE Carex festucacea SEDGE Carex frankii SEDGE Carex gracilescens SEDGE Carex gravida HEAVY SEDGE Carex grisea SEDGE Carex hirsutella SEDGE Carex hirtifolia HAIRY SEDGE Carex hyalinolepis SEDGE Carex laeviconica SEDGE Carex leavenworthii Carex lupulina HOP SEDGE Carex lurida SEDGE Carex meadii MEAD SEDGE Carex muhlenbergii Carex muhlenbergii enervis SEDGE Carex normalis SEDGE Carex pensylvanica PENNSYLVANIA SEDGE Carex prasina SEDGE Carex retrorsa KNOTSHEATH SEDGE Carex rosea Carex scoparia BROOM SEDGE Carex shortiana SEDGE Carex sparganioides Carex squarrosa SEDGE Carex tenera 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 laciniosa BIG SHELLBARK Carya ovalis FALSE SHAGBARK HICKORY Carya ovata SCALY-BARK HICKORY Carya texana BLACK HICKORY Carya tomentosa MOCKERNUT HICKORY Cassia fasciculata GOLDEN CASSIA Cassia marilandica MARYLAND SENNA 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 Celtis occidentalis pumila SMALL HACKBERRY Celtis tenuifolia DWARF HACKBERRY Cenchrus longispinus MAT SANDBUR Cephalanthus occidentalis BUTTONBUSH Cerastium nutans NODDING MOUSE-EAR CHICKWEED Cerastium vulgatum COMMON MOUSE-EAR CHICKWEED Ceratophyllum demersum COONTAIL Cercis canadensis EASTERN REDBUD Chaenorrhinum minus DWARF SNAPDRAGON Chaerophyllum procumbens WILD CHERVIL Chaerophyllum tainturieri WILD CHERVIL Chamaemelum nobilis GARDEN CHAMOMILE Chamaesyce humistrata MILK SPURGE Chamaesyce maculata NODDING SPURGE Chamaesyce supina MILK SPURGE Cheilanthes feei BABY LIP FERN Chelone obliqua speciosa PINK TURTLEHEAD Chenopodium album LAMB'S QUARTERS Chenopodium ambrosioides AMERICAN WORMSEED Chenopodium bushianum GOOSEFOOT Chenopodium desiccatum leptophylloides NARROW-LEAVED GOOSEFOOT Chenopodium gigantospermum MAPLE-LEAVED GOOSEFOOT Chenopodium standleyanum GOOSEFOOT Chloris verticillata WINDMILL GRASS Cichorium intybus BLUE SAILORS Cicuta maculata WATER HEMLOCK Cinna arundinacea STOUTWOOD REED Circaea lutetiana canadensis ENCHANTER'S NIGHTSHADE 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 Commelina erecta DAY FLOWER Conium maculatum POISON HEMLOCK Consolida ambigua ROCKET LARKSPUR Convolvulus arvensis FIELD BINDWEED Conyza canadensis HORSEWEED Conyza ramosissima DWARF FLEABANE Coreopsis palmata PRAIRIE COREOPSIS Coreopsis tripteris TALL COREOPSIS Cornus alternifolia ALTERNATE-LEAVED DOGWOOD Cornus drummondii ROUGH-LEAVED DOGWOOD Cornus florida FLOWERING DOGWOOD Cornus obliqua PALE DOGWOOD Cornus racemosa GRAY DOGWOOD Cornus stolonifera RED OSIER DOGWOOD Corydalis flavula PALE CORYDALIS Corylus americana AMERICAN FILBERT Crataegus crus-galli COCK-SPUR THORN Crataegus hannibalensis HAWTHORN Crataegus margaretta HAWTHORN Crataegus mollis RED HAW Crataegus punctata DOTTED THORN Crataegus succulenta HAWTHORN Crataegus viridis GREEN THORN Crotalaria sagittalis RATTLEBOX Croton capitatus CAPITATE CROTON Croton glandulosus septentrionalis SAND CROTON Croton monanthogynus CROTON Cryptotaenia canadensis HONEWORT Cuphea viscosissima BLUE WAXWEED Cuscuta cephalanthi BUTTONBUSH DODDER Cuscuta glomerata DODDER Cuscuta gronovii DODDER Cuscuta indecora DODDER Cycloloma atriplicifolium TUMBLE RINGWING Cynanchum laeve BLUE VINE Cynoglossum officinale COMMON HOUND'S TONGUE Cyperus acuminatus TAPERLEAF FLAT SEDGE Cyperus diandrus LOW FLAT SEDGE Cyperus erythrorhizos RED-ROOTED SEDGE Cyperus esculentus CHUFA Cyperus ferruginescens SLENDER FLATSEDGE Cyperus filiculmis macilentus Cyperus rivularis BROOK FLAT SEDGE Cyperus schweinitzii SCHWEINITZ FLATSEDGE Cyperus strigosus STRAW COLORED FLATSEDGE Cystopteris X tennesseensis TENNESSEE FRAGILE FERN 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 Delphinium carolinianum crispum WILD BLUE LARKSPUR Delphinium tricorne DWARF LARKSPUR Dentaria laciniata PEPPER-ROOT Descurainia pinnata brachycarpa TANSY MUSTARD Desmanthus illinoensis ILLINOIS BUNDLEFLOWER Desmodium canadense SHOWY TICK TREFOIL Desmodium cuspidatum TICK TREFOIL Desmodium glabellum TICK TREFOIL Desmodium glutinosum BEGGAR'S LICE Desmodium illinoense ILLINOIS 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 armeria DEPTFORD PINK Dicentra cucullaria DUTCHMAN'S-BREECHES Dichanthelium acuminatum fasciculatum PANIC GRASS Dichanthelium acuminatum lindheimeri PANIC GRASS Dichanthelium clandestinum BROAD-LEAVED PANIC GRASS Dichanthelium latifolium Dichanthelium meridionale MAT PANIC GRASS Dichanthelium oligosanthes Dichanthelium oligosanthes scribnerianum SCRIBNER'S PANIC GRASS Digitaria ischaemum SMOOTH CRAB GRASS Digitaria sanguinalis HAIRY CRAB GRASS Diodia teres POORJOE Dioscorea villosa WILD YAM Diospyros virginiana PERSIMMON Dodecatheon meadia SHOOTING STAR Draba reptans WHITLOW GRASS Dyssodia papposa FETID MARIGOLD Echinacea pallida PALE PURPLE CONEFLOWER Echinacea purpurea BROAD-LEAVED PURPLE CONEFLOWER Echinochloa muricata BARNYARD GRASS Echinochloa muricata wiegandii BARNYARD GRASS Echinodorus berteroi lanceolatus BURHEAD Echinodorus cordifolius CREEPING BURHEAD Eclipta prostrata YERBA DE TAJO Elaeagnus angustifolia RUSSIAN OLIVE Eleocharis elliptica SPIKE RUSH Eleocharis erythropoda Eleocharis obtusa Eleocharis palustris Eleusine indica GOOSE GRASS Ellisia nyctelea AUNT LUCY 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 frankii SANDBAR LOVE GRASS Eragrostis hypnoides CREEPING LOVE GRASS Eragrostis minor LOVE GRASS Eragrostis pectinacea CAROLINA LOVE GRASS Eragrostis spectabilis PURPLE LOVE GRASS Eragrostis trichodes ICE CREAM 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 Eryngium yuccifolium RATTLESNAKE MASTER Erysimum inconspicuum SMALL 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 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 marginata SNOW-ON-THE-MOUNTAIN Euthamia graminifolia GRASSLEAF GOLDENROD Euthamia gymnospermoides GRASSLEAF GOLDENROD Fagopyrum esculentum BUCKWHEAT Festuca obtusa NODDING FESCUE Festuca pratensis ENGLISH BLUEGRASS Fimbristylis autumnalis AUTUMN SEDGE Forestiera acuminata SWAMP PRIVET Fragaria americana HILLSIDE STRAWBERRY Fragaria virginiana WILD STRAWBERRY Fraxinus americana WHITE ASH Fraxinus pennsylvanica GREEN ASH Fraxinus quadrangulata BLUE ASH Froelichia gracilis COTTONWEED Galearis spectabilis SHOWY ORCHIS Galinsoga quadriradiata PERUVIAN DAISY Galium aparine ANNUAL BEDSTRAW Galium circaezans WILD LICORICE Galium concinnum SHINING BEDSTRAW Galium tinctorium STIFF BEDSTRAW Galium triflorum SWEET-SCENTED BEDSTRAW Gaura biennis BUTTERFLY-WEED Gaura parviflora SMALL-FLOWERED GAURA Gentiana andrewsii CLOSED GENTIAN Gentianella quinquefolia occidentalis STIFF GENTIAN Geranium carolinianum WILD CRANESBILL Geranium maculatum WILD GERANIUM Geum aleppicum YELLOW AVENS Geum canadense WHITE AVENS Geum laciniatum ROUGH AVENS Geum vernum SPRING AVENS Glandularia canadensis ROSE VERBENA Glechoma hederacea micrantha GROUND IVY Gleditsia triacanthos HONEY LOCUST Glyceria striata FOWL MANNA GRASS Gnaphalium obtusifolium CATFOOT Gnaphalium purpureum EARLY CUDWEED Gratiola neglecta CLAMMY HEDGE HYSSOP Gymnocladus dioicus KENTUCKY COFFEETREE Hackelia virginiana STICKSEED Hedeoma hispida ROUGH PENNYROYAL Hedeoma pulegioides AMERICAN PENNYROYAL Helenium autumnale AUTUMN SNEEZEWEED Helenium flexuosum PURPLE-HEADED SNEEZEWEED Helianthemum bicknellii FROSTWEED Helianthus annuus COMMON SUNFLOWER Helianthus divaricatus DIVERGENT SUNFLOWER Helianthus grosseserratus SAWTOOTH SUNFLOWER Helianthus hirsutus BRISTLY SUNFLOWER Helianthus maximilianii MAXIMILIAN'S SUNFLOWER Helianthus mollis ASHY 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 Heteranthera limosa DUCKSALAD Heuchera richardsonii grayana PRAIRIE ALUMROOT Hibiscus laevis HALBERD-LEAVED ROSE MALLOW Hibiscus trionum FLOWER-OF-AN-HOUR Hieracium longipilum HAIRY HAWKWEED Hieracium scabrum HAIRY HAWKWEED Holosteum umbellatum JAGGED CHICKWEED Hordeum jubatum FOX-TAIL BARLEY Hordeum pusillum LITTLE BARLEY Humulus japonicus JAPANESE HOPS Humulus lupulus COMMON HOPS Hybanthus concolor GREEN VIOLET Hydrastis canadensis GOLDEN SEAL Hydrophyllum appendiculatum GREAT WATERLEAF Hydrophyllum virginianum VIRGINIA WATERLEAF Hypericum mutilum DWARF ST. JOHNS-WORT Hypericum perforatum COMMON ST. JOHNS-WORT Hypericum prolificum SHRUBBY ST. JOHNS-WORT Hypericum punctatum SPOTTED ST. JOHNS-WORT Hypericum sphaerocarpum ROUND-FRUITED ST. JOHNS-WORT Hypericum sphaerocarpum turgidum ROUND-FRUITED ST. JOHNS-WORT Hypoxis hirsuta COMMON GOLDSTARGRASS Ilex decidua SWAMP HOLLY Impatiens capensis JEWELWEED Impatiens pallida PALE TOUCH-ME-NOT Iodanthus pinnatifidus PURPLE ROCKET Ipomoea hederacea IVY-LEAVED MORNING GLORY Ipomoea lacunosa SMALL WHITE MORNING-GLORY Ipomoea pandurata WILD SWEET POTATO VINE Ipomoea purpurea COMMON MORNING-GLORY Iris shrevei SOUTHERN BLUE FLAG Isopyrum biternatum FALSE RUE ANEMONE Iva annua MARSH ELDER Juglans cinerea BUTTERNUT Juglans nigra BLACK WALNUT Juncus effusus solutus COMMON RUSH Juncus interior INLAND RUSH Juncus marginatus GRASS-LEAVED RUSH Juncus tenuis PATH RUSH Juncus torreyi TORREY RUSH Juniperus virginiana EASTERN RED CEDAR Justicia americana WATER WILLOW Koeleria macrantha CRESTED HAIR GRASS Krigia biflora FALSE DANDELOIN Kummerowia stipulacea KOREAN CLOVER Lactuca canadensis CANADA LETTUCE Lactuca floridana BLUE LETTUCE Lactuca saligna WILLOW-LEAVED LETTUCE Lactuca serriola COMPASS PLANT Lamium amplexicaule HENBIT Laportea canadensis CANADA WOOD NETTLE Lathyrus hirsutus CALEY PEA Lechea tenuifolia NARROW-LEAVED PINWEED Lechea villosa HAIRY PINWEED Leersia lenticularis CATCHFLY GRASS Leersia oryzoides RICE CUTGRASS Leersia virginica WHITE GRASS Lemna minor COMMON DUCKWEED Leonurus cardiaca MOTHERWORT Lepidium campestre FIELD CRESS Lepidium densiflorum PEPPERGRASS Lepidium virginicum COMMON PEPPERGRASS Leptochloa fascicularis BEARDED SPRANGLE TOP Leptoloma cognatum FALL WITCH GRASS Lespedeza capitata BUSH CLOVER Lespedeza cuneata CHINESE BUSH CLOVER Lespedeza intermedia BUSH CLOVER Lespedeza repens CREEPING BUSH CLOVER Lespedeza violacea VIOLET BUSH CLOVER Lespedeza virginica SLENDER BUSH CLOVER Leucanthemum vulgare COMMON TANSY Leucospora multifida Liatris aspera ROUGH BLAZING STAR Liatris pycnostachya BUTTON SNAKEROOT Liatris scariosa nieuwlandii BLAZING-STAR Linaria vulgaris BUTTER-AND-EGGS Lindernia dubia FALSE PIMPERNEL Lindernia dubia anagallidea SLENDER FALSE PIMPERNEL Linum sulcatum GROOVED YELLOW FLAX Linum usitatissimum COMMON FLAX Linum virginianum SLENDER YELLOW FLAX Liparis liliifolia LARGE TWAYBLADE Lithospermum canescens HOARY PUCCOON Lithospermum caroliniense HAIRY PUCCOON Lithospermum incisum YELLOW PUCCOON 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 Lonicera japonica JAPANESE HONEYSUCKLE Lonicera prolifera GRAPE HONEYSUCKLE Ludwigia alternifolia SEEDBOX Ludwigia palustris americana MARSH PURSLANE Ludwigia peploides glabrescens CREEPING PRIMROSE WILLOW Ludwigia polycarpa FALSE LOOSESTRIFE Lychnis alba EVENING CAMPION Lycium barbarum COMMON MATRIMONY VINE Lycopersicum esculentum TOMATO Lycopus americanus COMMON WATER HOREHOUND Lycopus rubellus STALKED WATER HOREHOUND Lycopus virginicus BUGLE WEED Lysimachia ciliata FRINGED LOOSESTRIFE Lysimachia lanceolata LANCE-LEAVED LOOSESTRIFE Lysimachia nummularia MONEYWORT Lythrum alatum WINGED LOOSESTRIFE Maclura pomifera HEDGE APPLE Malus ioensis IOWA CRAB APPLE Malva neglecta CHEESES Malva sylvestris HIGH MALLOW Marrubium vulgare COMMON HOREHOUND Matricaria chamomilla GERMAN CHAMOMILE Matricaria matricarioides PINEAPPLE WEED Matteuccia struthiopteris OSTRICH FERN Medicago lupulina BLACK MEDIC Medicago sativa ALFALFA Melanthium virginicum BUNCH FLOWER 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 Mentzelia oligosperma STICKLEAF Mertensia virginica BLUEBELLS Mimulus alatus WINGED MONKEY FLOWER Mimulus ringens MONKEY FLOWER Mirabilis nyctaginea WILD FOUR-O'CLOCK Mitella diphylla BISHOP'S-CAP Mollugo verticillatus CARPETWEED Monarda clinopodia BEE BALM Monarda fistulosa WILD BERGAMOT Monotropa hypopithys PINESAP Monotropa uniflora INDIAN PIPE Morus alba WHITE MULBERRY Morus rubra RED MULBERRY Muhlenbergia frondosa COMMON SATIN GRASS Muhlenbergia mexicana LEAFY SATIN GRASS Muhlenbergia schreberi NIMBLE WILL Muhlenbergia sobolifera MUHLY Muhlenbergia sylvatica MUHLY Muhlenbergia tenuiflora SLENDER MUHLY Myosotis verna SCORPION GRASS Myosurus minimus MOUSETAIL Myriophyllum exalbescens SPIKED WATER MILFOIL Najas guadalupensis SOUTHERN NAIAD Nasturtium officinale TRUE WATER CRESS Nelumbo lutea AMERICAN LOTUS Nepeta cataria CATNIP Oenothera biennis EVENING PRIMROSE Oenothera laciniata RAGGED EVENING PRIMROSE Oenothera pilosella PRAIRIE SUNDROPS Oenothera rhombipetala SAND PRIMROSE Oenothera speciosa SHOWY EVENING PRIMROSE Onoclea sensibilis SENSITIVE FERN Onosmodium molle occidentale MARBLESEED Opuntia humifusa PRICKLY-PEAR Ornithogalum umbellatum COMMON STAR-OF-BETHLEHEM Orobanche uniflora CANCER-ROOT Osmorhiza claytonii SWEET CICELY Osmorhiza longistylis ANISE-ROOT Osmunda cinnamomea CINNAMON FERN Osmunda claytoniana INTERRUPTED FERN Ostrya virginiana HOP HORNBEAM Oxalis dillenii YELLOW WOOD SORREL Oxalis stricta YELLOW WOOD SORREL Oxalis violacea PURPLE OXALIS Panax quinquefolius GINSENG Panicum capillare WITCH GRASS Panicum dichotomiflorum FALL PANICUM Panicum philadelphicum PANIC GRASS Panicum virgatum PRAIRIE SWITCHGRASS Parietaria pensylvanica PENNSYLVANIA PELLITORY Paronychia canadensis FORKED CHICKWEED Parthenium integrifolium AMERICAN FEVERFEW Parthenocissus quinquefolia VIRGINIA CREEPER Paspalum ciliatifolium BEADGRASS Paspalum fluitans SWAMP BEADGRASS Pastinaca sativa PARSNIP Pedicularis canadensis LOUSEWORT Pellaea glabella PURPLE CLIFFBRAKE Penstemon digitalis FOXGLOVE BEARD-TONGUE Penstemon hirsutus HAIRY BEARD-TONGUE Penstemon pallidus PALE BEARD-TONGUE Penthorum sedoides DITCH STONECROP Perilla frutescens BEEFSTEAK PLANT Phacelia ranunculacea Phalaris arundinacea REED CANARY GRASS Phegopteris hexagonoptera BROAD BEECH FERN Phleum pratense TIMOTHY Phlox divaricata laphamii BLUE PHLOX Phlox paniculata GARDEN PHLOX Phryma leptostachya LOPSEED Phyla lanceolata FOG-FRUIT Physalis angulata GROUND CHERRY Physalis heterophylla GROUND CHERRY Physalis ixocarpa TOMATILLO Physalis lanceolata NARROW-LEAVED GROUND CHERRY Physalis pubescens ANNUAL GROUND CHERRY Physalis subglabrata SMOOTH GROUND CHERRY Physalis virginiana GROUND CHERRY Physocarpus opulifolius COMMON NINEBARK Physostegia intermedia FALSE DRAGONHEAD Physostegia virginiana FALSE DRAGONHEAD Phytolacca americana POKEWEED Pilea pumila CANADA CLEARWEED Pisum sativum GARDEN PEA Plantago aristata BRACTED PLANTAIN Plantago lanceolata BUCKHORN Plantago pusilla SMALL PLANTAIN Plantago rugelii RED-STALKED PLANTAIN Plantago virginica DWARF PLANTAIN Platanthera lacera GREEN FRINGED ORCHID Platanthera leucophaea PRAIRIE WHITE FRINGED ORCHID Platanus occidentalis BUTTONWOOD Poa annua ANNUAL BLUEGRASS Poa compressa CANADIAN BLUEGRASS Poa palustris FOWL BLUEGRASS Poa pratensis KENTUCKY BLUEGRASS Poa sylvestris WOODLAND BLUEGRASS Poa wolfii MEADOW 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 buxiforme KNOTWEED 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 sagittatum ARROWLEAF TEARTHUMB Polygonum scandens CLIMBING BUCKWHEAT Polygonum setaceum interjectum BRISTLY SMARTWEED Polygonum tenue SLENDER KNOTWEED Polygonum virginianum VIRGINIA KNOTWEED Polymnia canadensis LEAFCUP Polystichum acrostichoides CHRISTMAS FERN Polytaenia nuttallii PRAIRIE PARSLEY Populus alba WHITE POPLAR Populus canescens GRAY POPLAR 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 norvegica ROUGH CINQUEFOIL Potentilla recta SULFUR CINQUEFOIL Potentilla simplex COMMON CINQUEFOIL Prenanthes alba LION'S FOOT Prenanthes aspera ROUGH WHITE LETTUCE Prunella vulgaris SELF-HEAL Prunella vulgaris elongata SELF-HEAL Prunus americana AMERICAN PLUM Prunus americana lanata WILD PLUM Prunus hortulana WILD GOOSE PLUM Prunus serotina WILD BLACK CHERRY Prunus virginiana COMMON CHOKECHERRY 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 lyrata OVERCUP OAK Quercus macrocarpa BURR OAK Quercus marilandica BLACKJACK OAK Quercus palustris PIN OAK Quercus prinoides acuminata CHINKAPIN OAK Quercus stellata POST OAK Quercus velutina BLACK OAK Ranunculus abortivus LITTLE-LEAF BUTTERCUP Ranunculus hispidus BRISTLY BUTTERCUP Ranunculus longirostris LONGBEAK BUTTERCUP Ranunculus sceleratus CURSED CROWFOOT Ranunculus septentrionalis SWAMP BUTTERCUP Ratibida pinnata DROOPING CONEFLOWER Rhamnus cathartica COMMON BUCKTHORN Rhamnus lanceolata LANCE-LEAVED BUCKTHORN Rhus aromatica AROMATIC SUMAC Rhus copallina DWARF SUMAC Rhus glabra SMOOTH SUMAC Ribes cynosbati DOGBERRY Ribes missouriense MISSOURI GOOSEBERRY Ribes odoratum BUFFALO CURRENT Robinia pseudoacacia BLACK LOCUST Rorippa sessiliflora SESSILE-FLOWERED CRESS Rosa carolina PASTURE ROSE Rosa eglanteria SWEET-BRIER Rosa palustris SWAMPY ROSE Rosa setigera ILLINOIS ROSE Rotala ramosior TOOTH-CUP Rubus allegheniensis COMMON BLACKBERRY Rubus argutus HIGHBUSH BLACKBERRY Rubus enslenii ARCHING DEWBERRY Rubus flagellaris DEWBERRY Rubus hispidus SWAMPY DEWBERRY Rubus occidentalis BLACK RASPBERRY Rudbeckia hirta BLACK-EYED SUSAN Rudbeckia laciniata CUTLEAF CONEFLOWER Rudbeckia subtomentosa FRAGRANT CONEFLOWER Rudbeckia triloba BROWN-EYED SUSAN Ruellia humilis HAIRY RUELLIA Ruellia strepens SMOOTH RUELLIA Rumex acetosella COMMON SORREL Rumex altissimus PALE DOCK Rumex crispus CURLY DOCK Rumex mexicanus DOCK Rumex obtusifolius BITTER DOCK Rumex orbiculatus GREAT WATER DOCK Rumex verticillatus SWAMP DOCK Sabatia angularis MARSH PINK Sagittaria brevirostra ARROWLEAF Sagittaria graminea GRASS-LEAVED ARROWHEAD Sagittaria latifolia ARROWHEAD Salix alba WHITE WILLOW Salix amygdaloides PEACH-LEAVED WILLOW Salix babylonica WEEPING WILLOW Salix exigua SANDBAR WILLOW Salix fragilis BRITTLE WILLOW Salix humilis PRAIRIE WILLOW Salix humilis microphylla SAGE WILLOW Salix nigra BLACK WILLOW Salix rigida HEART-LEAVED WILLOW Sambucus canadensis COMMON ELDER Sanguinaria canadensis BLOODROOT Sanicula canadensis CANADIAN BLACK SNAKEROOT Sanicula gregaria COMMON SNAKEROOT Sanicula marilandica BLACK SNAKEROOT Saponaria officinalis BOUNCING BET Sassafras albidum RED SASSAFRAS Sassafras albidum molle RED SASSAFRAS Schizachyrium scoparium LITTLE BLUESTEM Scirpus americanus AMERICAN BULRUSH Scirpus atrovirens DARK GREEN RUSH Scirpus cyperinus WOOL GRASS Scirpus georgianus Scirpus micranthus Scirpus pendulus RED BULRUSH Scleria triglomerata TALL NUT GRASS Scrophularia marilandica LATE FIGWORT Scutellaria galericulata MARSH SKULLCAP Scutellaria leonardii SMALL SKULLCAP Scutellaria nervosa VEINY SKULLCAP Scutellaria ovata HEART-LEAVED SKULLCAP Scutellaria parvula SMALL SKULLCAP Secale cereale RYE Senecio aureus GOLDEN RAGWORT Senecio obovatus ROUNDLEAF RAGWORT Senecio pauperculus BALSAM GROUNDSEL Senecio plattensis PRAIRIE GROUNDSEL Setaria faberi GIANT FOXTAIL Setaria glauca PIGEON GRASS Setaria viridis COMMON FOXTAIL Sibara virginica VIRGINIA ROCK CRESS Sicyos angulatus BUR CUCUMBER Sida spinosa PRICKLY SIDA Silene antirrhina SLEEPY CATCHFLY Silene nivea SNOW CAMPION Silene stellata STARRY CAMPION Silphium integrifolium WHOLELEAF ROSINWEED Silphium laciniatum COMPASS-PLANT Silphium perfoliatum CUP PLANT Silphium terebinthinaceum DOCK ROSIN-WEED Sisymbrium altissimum TUMBLE MUSTARD Sisymbrium officinale HEDGE MUSTARD Sisyrinchium angustifolium COMMON 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 cornutum BUFFALO-BUR Solanum dulcamara FALSE BITTERSWEET Solanum elaeagnifolium SILVERY HORSE-NETTLE Solanum ptycanthum BLACK NIGHTSHADE Solidago caesia BLUESTEM GOLDENROD Solidago canadensis CANADA GOLDENROD Solidago flexicaulis BROADLEAF GOLDENROD Solidago gigantea LATE GOLDENROD Solidago juncea EARLY GOLDENROD Solidago missouriensis MISSOURI GOLDENROD Solidago nemoralis DYERSWEED GOLDENROD Solidago radula ROUGH GOLDENROD Solidago rigida RIGID GOLDENROD Solidago rugosa ROUGH GOLDENROD Solidago speciosa SHOWY GOLDENROD Solidago ulmifolia ELM-LEAVED GOLDENROD Sonchus arvensis glabrescens 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 Spermolepis inermis Sphenopholis obtusata PRAIRIE WEDGE GRASS Sphenopholis obtusata major WEDGE GRASS Spiraea alba MEADOW-SWEET Spiranthes lacera SLENDER LADIES' TRESSES Spirodela polyrhiza BIG DUCKWEED Sporobolus asper DROP SEED Sporobolus cryptandrus SAND DROPSEED Sporobolus heterolepis NORTHERN DROP SEED Sporobolus vaginiflorus NORTHERN RUSH GRASS Stachys aspera HYSSOP HEDGE NETTLE Stachys tenuifolia SLENDERLEAF BETONY Stachys tenuifolia hispida HAIRY HEDGE NETTLE Staphylea trifolia BLADDERNUT Stellaria media COMMON CHICKWEED Strophostyles helvola WILD BEAN Strophostyles leiosperma WILD BEAN Symphoricarpos orbiculatus BUCKBRUSH Taenidia integerrima YELLOW PIMPERNEL Taraxacum laevigatum RED-SEEDED DANDELION Taraxacum officinale COMMON DANDELION Teucrium canadense virginicum AMERICAN GERMANDER Thalictrum dasycarpum PURPLE MEADOW RUE Thalictrum revolutum WAXY MEADOW RUE Thalictrum thalictroides RUE ANEMONE Thaspium barbinode HAIRY MEADOW PARSNIP Thaspium trifoliatum MEADOW PARSNIP Thlaspi arvense FIELD PENNY CRESS Tilia americana AMERICAN LINDEN Tomanthera auriculata AURICULATE FALSE FOXGLOVE Torilis japonica HEDGE PARSLEY Toxicodendron radicans POISON IVY Tradescantia bracteata PRAIRIE SPIDERWORT Tradescantia ohiensis SPIDERWORT Tragopogon dubius GOAT'S BEARD Trichostema brachiatum FALSE PENNYROYAL Tridens flavus FALSE RED TOP Trifolium campestre LOW HOP CLOVER Trifolium hybridum ALSIKE CLOVER Trifolium pratense RED CLOVER Trifolium reflexum BUFFALO CLOVER Trifolium repens WHITE CLOVER Trillium nivale SNOW TRILLIUM Trillium recurvatum RED TRILLIUM Trillium viride GREEN TRILLIUM Triodanis perfoliata VENUS' LOOKING-GLASS Triosteum aurantiacum EARLY HORSE GENTIAN Triosteum perfoliatum LATE HORSE GENTIAN Triplasis purpurea PURPLE SANDGRASS Tripsacum dactyloides GAMA GRASS Triticum aestivum BEARDED WHEAT Triticum cylindricum JOINTED GOAT GRASS Typha latifolia CATTAIL Ulmus americana AMERICAN ELM Ulmus rubra SLIPPERY ELM Ulmus thomasii CORK ELM Urtica dioica STINGING NETTLE Uvularia grandiflora BIG MERRY BELLS Veratrum woodii FALSE HELLEBORE Verbascum blattaria MOTH MULLEIN Verbascum thapsus WOOLLY MULLEIN Verbena X perriana 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 Verbesina helianthoides YELLOW CROWNBEARD Vernonia fasciculata COMMON IRONWEED Vernonia gigantea TALL IRON WEED Vernonia missurica MISSOURI IRONWEED Veronica arvensis CORN SPEEDWELL Veronica peregrina PURSLANE SPEEDWELL Veronica serpyllifolia THYME-LEAVED SPEEDWELL Veronicastrum virginicum CULVER'S ROOT Viburnum molle ARROWWOOD Viburnum prunifolium BLACK HAW Viburnum recognitum SMOOTH ARROWWOOD Vicia cracca BIRD VETCH Vicia dasycarpa HAIRY-FRUITED VETCH Vicia villosa WINTER VETCH Vinca minor COMMON PERIWINKLE Viola missouriensis MISSOURI VIOLET Viola pedata BIRDFOOT VIOLET Viola pubescens eriocarpa SMOOTH YELLOW VIOLET Viola rafinesquii JOHNNY-JUMP-UP Viola sagittata ARROW-LEAVED VIOLET Viola sororia WOOLLY BLUE VIOLET Viola striata COMMON WHITE VIOLET Viola triloba CLEFT VIOLET Viola triloba dilatata CLEFT VIOLET Viola viarum PLAINS VIOLET Vitis aestivalis SUMMER GRAPE Vitis cinerea WINTER GRAPE Vitis palmata CATBIRD GRAPE Vitis riparia RIVERVBANK GRAPE Vitis vulpina FROST GRAPE Vulpia octoflora SIX-WEEKS FESCUE Vulpia octoflora glauca SLENDER FESCUE Vulpia octoflora tenella SIX-WEEKS FESCUE Wolffia braziliensis WATER-MEAL Wolffia columbiana COMMON WATERMEAL 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