823 records for CALHOUN 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 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 gattingeri ROUND-STEMMED FALSE FOXGLOVE Agalinis purpurea FALSE FOXGLOVE Agalinis skinneriana PALE FALSE FOXGLOVE Agalinis tenuifolia SLENDER FALSE FOXGLOVE Agastache nepetoides YELLOW GIANT HYSSOP Agrimonia parviflora SWAMP AGRIMONY Agrimonia pubescens SOFT AGRIMONY Agrimonia rostellata WOODLAND AGRIMONY Agrostemma githago CORN COCKLE Agrostis alba RED TOP Agrostis hyemalis HAIR GRASS Agrostis perennans AUTUMN BENT GRASS Alisma plantago aquatica parviflorum COMMON WATER PLANTAIN Allium canadense WILD GARLIC Allium vineale FIELD GARLIC Alopecurus carolinianus ANNUAL FOXTAIL Amaranthus albus TUMBLEWEED Amaranthus graecizans PROSTRATE AMARANTH Amaranthus hybridus GREEN AMARANTH Amaranthus retroflexus ROUGH PIGWEED Amaranthus rudis TAMARISK WATERHEMP Amaranthus spinosus SPINY PIGWEED Ambrosia artemisiifolia BITTERWEED Ambrosia trifida BUFFALO WEED Amelanchier arborea JUNEBERRY 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 plantaginifolia EVERLASTING Anthemis cotula DOG FENNEL Apios americana GROUNDNUT Aplectrum hyemale ADAM-AND-EVE Apocynum androsaemifolium SPREADING DOGBANE Apocynum cannabinum DOGBANE 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 Arisaema dracontium GREEN DRAGON Arisaema triphyllum INDIAN TURNIP Aristida oligantha PLAINS THREE AWN GRASS Artemisia ludoviciana LOUISIANA SAGEBRUSH Aruncus dioicus GOAT'S-BEARD Asarum canadense reflexum CANADA WILD GINGER Asclepias hirtella TALL GREEN MILKWEED Asclepias incarnata SWAMP MILKWEED Asclepias purpurascens PURPLE MILKWEED Asclepias stenophylla NARROW-LEAVED GREEN MILKWEED Asclepias syriaca COMMON MILKWEED Asclepias tuberosa interior BUTTERFLYWEED Asclepias verticillata HORSETAIL MILKWEED Asclepias viridiflora GREEN MILKWEED Asimina triloba BANANA TREE Asplenium platyneuron EBONY SPLEENWORT Asplenium rhizophyllum WALKING FERN Aster anomalus BLUE ASTER Aster azureus AZURE ASTER Aster drummondii DRUMMOND'S ASTER Aster ericoides HEATH ASTER Aster ericoides prostratus HEATH ASTER Aster novae-angliae NEW ENGLAND ASTER Aster ontarionis ONTARIO ASTER Aster parviceps ASTER Aster pilosus HAIRY ASTER Aster praealtus WILLOW-LEAVED ASTER Aster sagittifolius ARROW ASTER Aster sericeus SILKY ASTER Aster simplex PANICLED ASTER Aster turbinellus ASTER Athyrium thelypterioides SILVERY SPLEENWORT Aureolaria grandiflora pulchra YELLOW FALSE FOXGLOVE Azolla mexicana MEXICAN AZOLLA Bacopa rotundifolia WATER HYSSOP Baptisia lactea WHITE WILD INDIGO Barbarea vulgaris arcuata WINTER CRESS Belamcanda chinensis BLACKBERRY LILLY Betula nigra RED BIRCH Bidens bipinnata SPANISH NEEDLES Bidens cernua NODDING BEGGAR-TICKS Bidens connata PURPLESTEM 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 virginianum RATTLESNAKE FERN Bouteloua curtipendula MESQUITE GRASS 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 secalinus CHEAT Bromus tectorum CHEAT GRASS BROME Buchnera americana BLUE HEARTS 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 Campanula americana AMERICAN BELLFLOWER Campsis radicans TRUMPET CREEPER Cannabis sativa HASHISH Capsella bursa-pastoris SHEPERD'S-PURSE Cardamine pensylvanica BITTER CRESS Carex albursina SEDGE Carex artitecta SEDGE Carex blanda WOODLAND SEDGE Carex brevior FESCUE SEDGE Carex cephalophora Carex conjuncta Carex convoluta Carex crus-corvi SEDGE Carex davisii DAVIS SEDGE Carex frankii SEDGE Carex granularis MEADOW SEDGE Carex gravida HEAVY SEDGE Carex grayi BUR SEDGE Carex grisea SEDGE Carex hirsutella SEDGE Carex hyalinolepis SEDGE Carex laeviconica SEDGE Carex meadii MEAD SEDGE Carex muhlenbergii Carex muskingumensis SEDGE Carex normalis SEDGE Carex pensylvanica PENNSYLVANIA SEDGE Carex shortiana SEDGE Carex stipata PRICKLY SEDGE Carex tribuloides SEDGE Carex typhina SEDGE Carex vesicaria BLISTER SEDGE Carex virescens 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 Cassia nictitans WILD SENSITIVE PLANT Castilleja coccinea INDIAN PAINTBRUSH Caulophyllum thalictroides BLUE COHOSH Ceanothus americanus NEW JERSEY TEA Celastrus scandens BITTERSWEET Celtis laevigata SUGARBERRY Celtis occidentalis HACKBERRY Celtis occidentalis canina HACKBERRY Celtis tenuifolia DWARF HACKBERRY Cenchrus longispinus MAT SANDBUR Cephalanthus occidentalis BUTTONBUSH Cerastium arvense FIELD CHICKWEED Cerastium nutans NODDING MOUSE-EAR CHICKWEED Cerastium nutans brachypodum MOUSE-EAR CHICKWEED Cerastium vulgatum COMMON MOUSE-EAR CHICKWEED Ceratophyllum demersum COONTAIL Cercis canadensis EASTERN REDBUD Chaerophyllum procumbens WILD CHERVIL Chaerophyllum tainturieri WILD CHERVIL Chamaesyce humistrata MILK SPURGE Chamaesyce maculata NODDING SPURGE Chamaesyce supina MILK SPURGE Chasmanthium latifolium SEA OATS Cheilanthes feei BABY LIP FERN Chenopodium album LAMB'S QUARTERS Chenopodium ambrosioides AMERICAN WORMSEED Chenopodium desiccatum leptophylloides NARROW-LEAVED GOOSEFOOT Chenopodium gigantospermum MAPLE-LEAVED GOOSEFOOT Cichorium intybus BLUE SAILORS Cicuta maculata WATER HEMLOCK Circaea lutetiana canadensis ENCHANTER'S NIGHTSHADE Cirsium altissimum TALL THISTLE Cirsium discolor FIELD THISTLE Cirsium vulgare BULL THISTLE Citrullus lanatus WATERMELON Claytonia virginica SPRING BEAUTY Clematis pitcheri LEATHER FLOWER Comandra umbellata BASTARD TOAD-FLAX Commelina communis COMMON DAY FLOWER Consolida ambigua ROCKET LARKSPUR Convolvulus arvensis FIELD BINDWEED Conyza canadensis HORSEWEED Conyza ramosissima DWARF FLEABANE Corallorhiza odontorhiza FALL CORAL-ROOT ORCHID Corallorhiza wisteriana CORAL ROOT 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 mollis RED HAW Crataegus viridis GREEN THORN Crotalaria sagittalis RATTLEBOX Croton capitatus CAPITATE CROTON Croton glandulosus septentrionalis SAND CROTON Croton monanthogynus CROTON Cryptotaenia canadensis HONEWORT Cucurbita pepo ovifera PEAR GOURD Cuphea viscosissima BLUE WAXWEED Cuscuta campestris DODDER Cuscuta compacta DODDER Cuscuta gronovii DODDER Cuscuta polygonorum SMARTWEED DODDER Cynanchum laeve BLUE VINE Cyperus aristatus BEARDED FLAT SEDGE Cyperus erythrorhizos RED-ROOTED SEDGE Cyperus esculentus CHUFA Cyperus ferruginescens SLENDER FLATSEDGE Cyperus filiculmis macilentus Cyperus rivularis BROOK FLAT SEDGE Cyperus strigosus STRAW COLORED FLATSEDGE Cypripedium pubescens LG. YELLOW LADY-SLIPPER ORCHID 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 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 nuttallii NUTTALL'S TICK TREFOIL Desmodium paniculatum PANICLED TICK TREFOIL Desmodium sessilifolium SESSILE-LEAVED TICKTREFOIL Dicentra canadensis SQUIRREL-CORN Dicentra cucullaria DUTCHMAN'S-BREECHES Dichanthelium acuminatum fasciculatum PANIC GRASS Dichanthelium acuminatum lindheimeri PANIC GRASS Dichanthelium clandestinum BROAD-LEAVED PANIC GRASS Dichanthelium latifolium Dichanthelium oligosanthes Dichanthelium oligosanthes scribnerianum SCRIBNER'S PANIC GRASS Dichanthelium villosissimum praecocius Digitaria sanguinalis HAIRY CRAB GRASS Dioscorea villosa WILD YAM Diospyros virginiana PERSIMMON Dodecatheon amethystinum JEWELED SHOOTING-STAR Dodecatheon meadia SHOOTING STAR Draba reptans WHITLOW GRASS Dryopteris marginalis LEATHER FERN Dulichium arundinaceum POND SEDGE 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 Eleocharis erythropoda Eleocharis obtusa Eleocharis obtusa detonsa SPIKE RUSH 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 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 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 Eryngium yuccifolium RATTLESNAKE MASTER Erythronium albidum WHITE ADDER'S TONGUE Erythronium americanum YELLOW ADDER'S TONGUE Euonymus atropurpureus BURNING BUSH Eupatorium altissimum TALL BONESET Eupatorium coelestinum BLUE BONSET Eupatorium maculatum SPOTTED JOE PYE WEED Eupatorium perfoliatum COMMON BONESET Eupatorium purpureum GREEN-STEMMED JOE-PYE WEED Eupatorium rugosum WHITE SNAKEROOT Eupatorium serotinum LATE BONESET Eupatorium sessilifolium UPLAND BONESET Euphorbia corollata FLOWERING SPURGE Euphorbia cyparissias CYPRESS SPURGE Fagopyrum esculentum BUCKWHEAT Festuca obtusa NODDING FESCUE Festuca pratensis ENGLISH BLUEGRASS Forestiera acuminata SWAMP PRIVET Fragaria virginiana WILD STRAWBERRY Fraxinus americana WHITE ASH Fraxinus nigra BLACK ASH Fraxinus pennsylvanica GREEN ASH Fraxinus quadrangulata BLUE ASH Galium aparine ANNUAL BEDSTRAW Galium circaezans WILD LICORICE Galium concinnum SHINING BEDSTRAW Galium pilosum HAIRY BEDSTRAW Galium triflorum SWEET-SCENTED BEDSTRAW Gaura biennis BUTTERFLY-WEED Gentiana alba PALE GENTIAN Geranium carolinianum WILD CRANESBILL Geranium maculatum WILD GERANIUM Geum canadense WHITE AVENS Glechoma hederacea micrantha GROUND IVY Gleditsia aquatica WATER LOCUST Gleditsia triacanthos HONEY LOCUST Glyceria striata FOWL MANNA GRASS Gnaphalium obtusifolium CATFOOT Gratiola neglecta CLAMMY HEDGE HYSSOP Gymnocladus dioicus KENTUCKY COFFEETREE Hackelia virginiana STICKSEED Hedeoma hispida ROUGH PENNYROYAL Hedeoma pulegioides AMERICAN PENNYROYAL Hedyotis crassifolia TINY BLUETS Hedyotis longifolia LONG-LEAVED BLUETS Hedyotis nigricans NARROW-LEAVED BLUETS Helenium amarum ROCK BITTERWEED Helenium autumnale AUTUMN SNEEZEWEED Helianthus divaricatus DIVERGENT SUNFLOWER Helianthus grosseserratus SAWTOOTH SUNFLOWER Helianthus hirsutus BRISTLY SUNFLOWER Helianthus microcephalus SMALL WOOD SUNFLOWER Helianthus mollis ASHY SUNFLOWER Helianthus rigidus PRAIRIE SUNFLOWER Helianthus strumosus PALE-LEAVED SUNFLOWER Helianthus tuberosus subcanescens JERUSALEM ARTICHOKE Heliopsis helianthoides FALSE SUNFLOWER Heliotropium indicum INDIAN HELIOTROPE Hepatica nobilis acuta SHARP-LOBED HEPATICA Heterotheca camporum GOLDEN ASTER Heuchera americana hirsuticaulis TALL ALUMROOT Heuchera richardsonii grayana PRAIRIE ALUMROOT Hibiscus laevis HALBERD-LEAVED ROSE MALLOW Hordeum jubatum FOX-TAIL BARLEY Humulus lupulus COMMON HOPS Hybanthus concolor GREEN VIOLET Hydrangea arborescens WILD HYDRANGEA Hydrastis canadensis GOLDEN SEAL Hydrophyllum appendiculatum GREAT WATERLEAF Hypericum gentianoides PINEWEED Hypericum mutilum DWARF ST. JOHNS-WORT Hypericum punctatum SPOTTED ST. JOHNS-WORT Hypericum sphaerocarpum ROUND-FRUITED ST. JOHNS-WORT 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 Iris brevicaulis BLUE WATER IRIS 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 tenuis PATH RUSH Juniperus virginiana EASTERN RED CEDAR Koeleria macrantha CRESTED HAIR GRASS Krigia biflora FALSE DANDELOIN Kummerowia stipulacea KOREAN CLOVER Lactuca canadensis CANADA LETTUCE Lactuca floridana BLUE LETTUCE Lactuca ludoviciana PRAIRIE LETTUCE Lactuca saligna WILLOW-LEAVED LETTUCE Lactuca serriola COMPASS PLANT Laportea canadensis CANADA WOOD NETTLE Lathyrus latifolius EVERLASTING PEA Lechea tenuifolia NARROW-LEAVED PINWEED Lechea villosa HAIRY PINWEED Leersia lenticularis CATCHFLY GRASS Leersia oryzoides RICE CUTGRASS Leersia virginica WHITE GRASS Leonurus cardiaca MOTHERWORT Leonurus marrubiastrum LION'S-TAIL Lepidium campestre FIELD CRESS Lepidium densiflorum PEPPERGRASS Lepidium virginicum COMMON PEPPERGRASS Leptochloa attenuata SPRANGLE TOP Leptochloa fascicularis BEARDED SPRANGLE TOP Leptochloa panicoides SALT MEADOW GRASS Leptoloma cognatum FALL WITCH GRASS Lespedeza cuneata CHINESE BUSH CLOVER Lespedeza intermedia BUSH CLOVER Lespedeza virginica SLENDER BUSH CLOVER Leucanthemum vulgare COMMON TANSY 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 Lithospermum canescens HOARY 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 Lonicera prolifera GRAPE HONEYSUCKLE Ludwigia palustris americana MARSH PURSLANE Ludwigia peploides glabrescens CREEPING PRIMROSE WILLOW Ludwigia polycarpa FALSE LOOSESTRIFE Lychnis alba EVENING CAMPION 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 Lythrum alatum WINGED LOOSESTRIFE Maclura pomifera HEDGE APPLE Malus ioensis IOWA CRAB APPLE Malva neglecta CHEESES Marrubium vulgare COMMON HOREHOUND Matricaria chamomilla GERMAN CHAMOMILE Matricaria matricarioides PINEAPPLE WEED Medicago lupulina BLACK MEDIC Medicago sativa ALFALFA Melica nitens THREE-FLOWERED MELIC GRASS 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 bradburiana MONARDA Monarda fistulosa WILD BERGAMOT Monarda punctata villicaulis HORSEMINT Monotropa uniflora INDIAN PIPE Morus alba WHITE MULBERRY Morus rubra RED MULBERRY Muhlenbergia frondosa COMMON SATIN GRASS Muhlenbergia mexicana LEAFY SATIN GRASS Muhlenbergia racemosa GREEN MUHLY Muhlenbergia schreberi NIMBLE WILL Muhlenbergia sobolifera MUHLY Myosotis verna SCORPION GRASS Myosurus minimus MOUSETAIL Nelumbo lutea AMERICAN LOTUS Nepeta cataria CATNIP Oenothera biennis EVENING PRIMROSE Oenothera laciniata RAGGED EVENING PRIMROSE Oenothera speciosa SHOWY EVENING PRIMROSE Opuntia humifusa PRICKLY-PEAR Orobanche uniflora CANCER-ROOT 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 Panax quinquefolius GINSENG Panicum capillare WITCH GRASS Panicum dichotomiflorum FALL PANICUM Panicum virgatum PRAIRIE SWITCHGRASS Parietaria pensylvanica PENNSYLVANIA PELLITORY Parthenium integrifolium AMERICAN FEVERFEW Parthenocissus quinquefolia VIRGINIA CREEPER Paspalum ciliatifolium BEADGRASS Paspalum fluitans SWAMP BEADGRASS Passiflora lutea glabriflora SMALL PASION-FLOWER Pastinaca sativa PARSNIP Pedicularis canadensis LOUSEWORT Pellaea atropurpurea PURPLE CLIFFBRAKE Pellaea glabella PURPLE CLIFFBRAKE Penstemon digitalis FOXGLOVE BEARD-TONGUE Penstemon pallidus PALE BEARD-TONGUE Penthorum sedoides DITCH STONECROP Perilla frutescens BEEFSTEAK PLANT Phalaris arundinacea REED CANARY GRASS Phegopteris hexagonoptera BROAD BEECH FERN Phleum pratense TIMOTHY Phlox divaricata laphamii BLUE PHLOX Phlox paniculata GARDEN PHLOX Phlox pilosa DOWNY PHLOX Phryma leptostachya LOPSEED Phyla lanceolata FOG-FRUIT Physalis heterophylla GROUND CHERRY Physalis pubescens ANNUAL GROUND CHERRY Physalis virginiana GROUND CHERRY Physostegia angustifolia NARROW-LEAVED FALSE DRAGONHEAD Physostegia speciosa FALSE DRAGONHEAD Physostegia virginiana FALSE DRAGONHEAD Phytolacca americana POKEWEED Pilea pumila CANADA CLEARWEED Plantago aristata BRACTED PLANTAIN Plantago lanceolata BUCKHORN Plantago major COMMON PLANTAIN Plantago rugelii RED-STALKED PLANTAIN Plantago virginica DWARF PLANTAIN Platanus occidentalis BUTTONWOOD Poa annua ANNUAL BLUEGRASS Poa chapmaniana ANNUAL BLUEGRASS Poa compressa CANADIAN BLUEGRASS Poa pratensis KENTUCKY BLUEGRASS Poa sylvestris WOODLAND BLUEGRASS Podophyllum peltatum MAYAPPLE Poinsettia dentata WILD POINSETTIA Polemonium reptans JACOB'S-LADDER Polygala verticillata WHORLED MILKWORT Polygonatum commutatum GREAT SOLOMON SEAL Polygonum amphibium WATER SMARTWEED Polygonum arenastrum KNOTWEED Polygonum cespitosum longisetum CREEPING SMARTWEED Polygonum cristatum COPSE BINDWEED Polygonum erectum ERECT KNOTWEED 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 scandens CLIMBING BUCKWHEAT Polygonum tenue SLENDER KNOTWEED Polygonum virginianum VIRGINIA KNOTWEED Polymnia canadensis LEAFCUP Polymnia canadensis LEAFCUP Polypodium polypodioides michauxianum GRAY POLYPODY Polypodium virginianum COMMON POLYPODY Polystichum acrostichoides CHRISTMAS FERN Polytaenia nuttallii PRAIRIE PARSLEY Pontederia cordata PICKERELWEED Populus alba WHITE POPLAR Populus deltoides EASTERN COTTONWOOD Porteranthus stipulatus INDIAN PHYSIC Portulaca oleracea PURSLANE Potamogeton foliosus LEAFY PONDWEED Potamogeton nodosus AMERICAN PONDWEED Potamogeton pectinatus COMB PONDWEED Potamogeton pusillus BABY PONDWEED Potentilla recta SULFUR CINQUEFOIL Potentilla simplex COMMON CINQUEFOIL Prenanthes crepidinea GREAT WHITE LETTUCE Prunella vulgaris elongata SELF-HEAL Prunus americana AMERICAN PLUM Prunus nigra CANADA 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 Pyrrhopappus carolinianus FALSE DANDELION 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 rubra NORTHERN RED OAK Quercus stellata POST OAK Quercus velutina BLACK OAK Ranunculus abortivus LITTLE-LEAF BUTTERCUP Ranunculus flabellaris YELLOW WATER BUTTERCUP Ranunculus hispidus BRISTLY BUTTERCUP Ranunculus micranthus SMALL-FLOWED CROWFOOT Ranunculus recurvatus HOOKED BUTTERCUP Ranunculus sceleratus CURSED CROWFOOT Ranunculus septentrionalis SWAMP BUTTERCUP Ratibida pinnata DROOPING CONEFLOWER Rhamnus lanceolata LANCE-LEAVED BUCKTHORN Rhus aromatica AROMATIC SUMAC Rhus copallina DWARF SUMAC Rhus glabra SMOOTH SUMAC Ribes missouriense MISSOURI GOOSEBERRY Robinia pseudoacacia BLACK LOCUST Rorippa islandica fernaldiana MARSH YELLOW CRESS Rorippa sessiliflora SESSILE-FLOWERED CRESS Rorippa sylvestris CREEPING YELLOW CRESS Rosa carolina PASTURE ROSE Rosa multiflora JAPANESE ROSE Rosa setigera ILLINOIS ROSE Rosa suffulta SUNSHINE ROSE Rotala ramosior TOOTH-CUP Rubus allegheniensis COMMON BLACKBERRY Rubus flagellaris DEWBERRY Rubus frondosus BLACKBERRY Rubus occidentalis BLACK RASPBERRY Rubus pensylvanicus BLACKBERRY Rudbeckia hirta BLACK-EYED SUSAN Rudbeckia laciniata CUTLEAF CONEFLOWER Ruellia humilis HAIRY RUELLIA Ruellia strepens SMOOTH RUELLIA Rumex acetosella COMMON SORREL Rumex altissimus PALE DOCK Rumex crispus CURLY DOCK Rumex obtusifolius BITTER DOCK Rumex verticillatus SWAMP DOCK Sabatia angularis MARSH PINK Sagittaria calycina ARROWLEAF Sagittaria latifolia ARROWHEAD Salix amygdaloides PEACH-LEAVED WILLOW Salix exigua SANDBAR WILLOW Salix fragilis BRITTLE WILLOW Salix humilis PRAIRIE WILLOW Salix nigra BLACK WILLOW Salix rigida HEART-LEAVED WILLOW Salvia azurea grandiflora BLUE SAGE Sambucus canadensis COMMON ELDER Samolus valerandii BROOKWEED Sanguinaria canadensis BLOODROOT Sanicula canadensis CANADIAN BLACK SNAKEROOT Sanicula gregaria COMMON SNAKEROOT Saponaria officinalis BOUNCING BET Sassafras albidum RED SASSAFRAS Saururus cernuus LIZARD'S TAIL Schizachyrium scoparium LITTLE BLUESTEM Scirpus atrovirens DARK GREEN RUSH Scirpus fluviatilis RIVER BULRUSH Scirpus georgianus Scirpus tabernaemontanii GREAT BULRUSH Scrophularia marilandica LATE FIGWORT Scutellaria lateriflora MAD-DOG SKULLCAP Scutellaria leonardii SMALL SKULLCAP Scutellaria nervosa VEINY SKULLCAP Scutellaria ovata HEART-LEAVED SKULLCAP Scutellaria parvula SMALL SKULLCAP Senecio glabellus BUTTERWEED 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 officinale HEDGE MUSTARD Sisyrinchium albidum BLUE-EYED GRASS Sisyrinchium angustifolium COMMON BLUE-EYED GRASS Sisyrinchium campestre PRAIRIE BLUE-EYED GRASS Sium suave WATER PARSNIP Smilacina racemosa FALSE SOLOMON SEAL Smilax hispida BRISTLY GREENBRIER Smilax lasioneuron COMMON CARRION FLOWER Solanum carolinense HORSE-NETTLE Solanum cornutum BUFFALO-BUR Solanum ptycanthum BLACK NIGHTSHADE Solidago canadensis CANADA GOLDENROD Solidago drummondii DRUMMOND'S GOLDENROD Solidago flexicaulis BROADLEAF GOLDENROD Solidago gigantea LATE GOLDENROD Solidago juncea EARLY 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 oleraceus COMMON SOWTHISTLE Sorghastrum nutans INDIAN GRASS Sorghum halepense EGYPTIAN MILLET Sparganium eurycarpum BURREED Spermacoce glabra SMOOTH BUTTONWEED Sphenopholis obtusata PRAIRIE WEDGE GRASS Sphenopholis obtusata major WEDGE GRASS Spiranthes cernua NODDING LADIES-TRESSES Spiranthes magnicamporum DUNE LADIES' TRESSES Spirodela polyrhiza BIG DUCKWEED Sporobolus asper DROP SEED Sporobolus cryptandrus SAND DROPSEED Sporobolus neglectus PUFFSHEATH DROPSEED Sporobolus vaginiflorus NORTHERN RUSH GRASS Stachys aspera HYSSOP HEDGE NETTLE Stachys tenuifolia SLENDERLEAF BETONY Staphylea trifolia BLADDERNUT Stellaria media COMMON CHICKWEED Strophostyles helvola WILD BEAN Strophostyles leiosperma WILD BEAN Symphoricarpos orbiculatus BUCKBRUSH Talinum parviflorum PRAIRIE FAMEFLOWER Taraxacum laevigatum RED-SEEDED DANDELION Taraxacum officinale COMMON DANDELION Tephrosia virginiana GOAT'S RUE Teucrium canadense virginicum AMERICAN GERMANDER Thalictrum dasycarpum PURPLE MEADOW RUE Thalictrum revolutum WAXY MEADOW RUE Thalictrum thalictroides RUE ANEMONE Thlaspi arvense FIELD PENNY CRESS Tilia americana AMERICAN LINDEN Torilis japonica HEDGE PARSLEY Toxicodendron radicans POISON IVY Tradescantia ohiensis SPIDERWORT Tradescantia subaspera SPIDERWORT Tragopogon pratensis COMMON 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 repens WHITE CLOVER Trillium recurvatum RED TRILLIUM Triodanis perfoliata VENUS' LOOKING-GLASS Triosteum aurantiacum EARLY HORSE GENTIAN Triosteum illinoense ILLINOIS HORSE GENTIAN Tripsacum dactyloides GAMA GRASS Typha latifolia CATTAIL Ulmus americana AMERICAN ELM Ulmus rubra SLIPPERY ELM Utricularia gibba HUMPED BLADDERWORT Uvularia grandiflora BIG MERRY BELLS Valerianella radiata CORN SALAD 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 baldwinii BALDWIN'S IRONWEED Vernonia fasciculata COMMON IRONWEED Vernonia gigantea TALL IRON WEED Vernonia missurica MISSOURI IRONWEED Veronica arvensis CORN SPEEDWELL Veronica peregrina PURSLANE SPEEDWELL Veronicastrum virginicum CULVER'S ROOT Viburnum prunifolium BLACK HAW Viburnum rufidulum RUSTY NANNYBERRY Viola missouriensis MISSOURI VIOLET Viola obliqua MARSH BLUE VIOLET Viola pedata BIRDFOOT VIOLET Viola pubescens eriocarpa SMOOTH YELLOW VIOLET Viola rafinesquii JOHNNY-JUMP-UP Viola sororia WOOLLY BLUE 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 Woodsia obtusa COMMON WOODSIA Xanthium strumarium glabratum COCKLE BUR Zanthoxylum americanum PRICKLY ASH Zosterella dubia WATER STAR-GRASS