| Abutilon theophrastii |
BUTTONWEED |
| 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 |
| Actaea pachypoda |
DOLL'S-EYES |
| Actaea rubra |
RED BANEBERRY |
| Actaea rubra neglecta |
|
| Adiantum pedatum |
MAIDENHAIR FERN |
| Adlumia fungosa |
ALLEGHENY VINE |
| Agalinis purpurea |
FALSE FOXGLOVE |
| Agastache nepetoides |
YELLOW GIANT HYSSOP |
| Agastache scrophulariaefolia |
PURPLE GIANT HYSSOP |
| Agrimonia gryposepala |
TALL AGRIMONY |
| Agrimonia pubescens |
SOFT AGRIMONY |
| Agropyron repens |
COUCH GRASS |
| Agrostis alba |
RED TOP |
| Agrostis hyemalis |
HAIR GRASS |
| Agrostis scabra |
ROUGH BENT GRASS |
| 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 psilostachya |
WESTERN RAGWEED |
| Ambrosia trifida |
BUFFALO WEED |
| Amelanchier arborea |
JUNEBERRY |
| Amelanchier humilis |
LOW SHADBUSH |
| Amelanchier laevis |
SHADBUSH |
| Amorpha canescens |
LEAD PLANT |
| Amorpha fruticosa |
FALSE INDIGO BUSH |
| Amphicarpa bracteata |
HOG PEANUT |
| Andropogon gerardii |
BIG BLUESTEM |
| Androsace occidentalis |
ANDROSACE |
| Anemone canadensis |
MEADOW ANEMONE |
| Anemone caroliniana |
CAROLINA ANEMONE |
| Anemone cylindrica |
CANDLE ANEMONE |
| Anemone quinquefolia |
WOOD ANEMONE |
| Anemone virginiana |
TALL ANEMONE |
| Angelica atropurpurea |
ANGELICA |
| Antennaria neglecta |
CAT'S FOOT |
| Antennaria plantaginifolia |
EVERLASTING |
| Antennaria plantaginifolia ambigens |
EVERLASTING |
| Anthemis cotula |
DOG FENNEL |
| Apios americana |
GROUNDNUT |
| Aplectrum hyemale |
ADAM-AND-EVE |
| Apocynum androsaemifolium |
SPREADING DOGBANE |
| 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 lyrata |
LYRE-LEAVED ROCK CRESS |
| Aralia nudicaulis |
WILD SARSAPARILLA |
| Aralia racemosa |
AMERICAN SPIKENARD |
| Arctium minus |
COMMON BURDOCK |
| Arctostaphylos uva-ursi coactilis |
BEARBERRY |
| Arisaema dracontium |
GREEN DRAGON |
| Arisaema triphyllum |
INDIAN TURNIP |
| Aristida basiramea |
FORKED-TIP THREE-AWN GRASS |
| Aristida curtissii |
CURTISS THREE AWN GRASS |
| Aristida purpurascens |
ARROWFEATHER |
| Armoracia rusticana |
HORSERADISH |
| Aronia melanocarpa |
BLACK CHOKECHERRY |
| Artemisia annua |
ANNUAL WORMWOOD |
| Artemisia biennis |
BIENNIAL WORMWOOD |
| Artemisia campestris |
BEACH WORMWOOD |
| Artemisia ludoviciana |
LOUISIANA SAGEBRUSH |
| Artemisia ludoviciana gnaphalodes |
|
| Artemisia serrata |
SAW-TOOTHED SAGEBRUSH |
| Asarum canadense reflexum |
CANADA WILD GINGER |
| Asclepias amplexicaulis |
SAND MILKWEED |
| Asclepias exaltata |
POKE MILKWEED |
| Asclepias hirtella |
TALL GREEN MILKWEED |
| Asclepias incarnata |
SWAMP MILKWEED |
| Asclepias ontarioides |
WOOLLY MILKWEED |
| Asclepias purpurascens |
PURPLE MILKWEED |
| Asclepias syriaca |
COMMON MILKWEED |
| Asclepias tuberosa interior |
BUTTERFLYWEED |
| Asclepias verticillata |
HORSETAIL MILKWEED |
| Asclepias viridiflora |
GREEN MILKWEED |
| Asparagus officinalis |
GARDEN ASPARAGUS |
| Asplenium platyneuron |
EBONY SPLEENWORT |
| Asplenium rhizophyllum |
WALKING FERN |
| Aster azureus |
AZURE ASTER |
| Aster cordifolius |
BLUEWOOD ASTER |
| Aster drummondii |
DRUMMOND'S ASTER |
| Aster ericoides |
HEATH ASTER |
| Aster ericoides prostratus |
HEATH ASTER |
| Aster firmus |
GLOSSY-LEAF ASTER |
| Aster furcatus |
FORKED ASTER |
| Aster laevis |
SMOOTH ASTER |
| Aster lateriflorus |
SIDE-FLOWERED ASTER |
| Aster linariifolius |
FLAX-LEAVED ASTER |
| Aster novae-angliae |
NEW ENGLAND ASTER |
| Aster ontarionis |
ONTARIO 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 umbellatus |
FLATTOP ASTER |
| Astragalus canadensis |
CANADIAN MILK VETCH |
| Astragalus tennesseensis |
GROUND PLUM |
| Athyrium angustum |
LADY FERN |
| Athyrium thelypterioides |
SILVERY SPLEENWORT |
| Aureolaria flava |
SMOOTH FALSE FOXGLOVE |
| Aureolaria grandiflora pulchra |
YELLOW FALSE FOXGLOVE |
| Baptisia lactea |
WHITE WILD INDIGO |
| Baptisia leucophaea |
CREAM WILD INDIGO |
| Barbarea vulgaris arcuata |
WINTER CRESS |
| Bartonia virginica |
YELLOW BARTONIA |
| Berberis vulgaris |
COMMON BARBERRY |
| Berteroa incana |
HOARY ALYSSUM |
| Besseya bullii |
KITTEN TAILS |
| Betula alleghaniensis |
YELLOW BIRCH |
| Betula papyrifera |
CANOE BIRCH |
| Bidens cernua |
NODDING BEGGAR-TICKS |
| Bidens connata |
PURPLESTEM BEGGAR-TICKS |
| Bidens frondosa |
COMMON BEGGAR-TICKS |
| Bidens vulgata |
STICKTIGHT |
| Blephilia ciliata |
PAGODA PLANT |
| Botrychium dissectum |
BRONZE FERN |
| Botrychium dissectum obliquum |
BRONZE FERN |
| Botrychium multifidum silaifolium |
NORTHERN GRAPE FERN |
| Botrychium oneidense |
ONEIDA GRAPE FERN |
| Botrychium virginianum |
RATTLESNAKE FERN |
| Bouteloua curtipendula |
MESQUITE GRASS |
| Bouteloua hirsuta |
BLACK GRAMMA |
| Brassica juncea |
CHINESE MUSTARD |
| Brassica nigra |
BLACK MUSTARD |
| Brickellia eupatorioides |
FALSE BONESET |
| Bromus inermis |
AWNLESS BROME GRASS |
| Bromus kalmii |
PRAIRIE BROME |
| Bromus pubescens |
CANADA BROME GRASS |
| Bromus tectorum |
CHEAT GRASS BROME |
| Bulbostylis capillaris |
HAIR SEDGE |
| Cacalia atriplicifolia |
PALE INDIAN PLANTAIN |
| Cacalia plantaginea |
PRAIRIE INDIAN PLANTAIN |
| Cacalia suaveolens |
SWEET INDIAN PLANTAIN |
| Calamagrostis canadensis |
BLUEJOINT GRASS |
| Calamintha arkansana |
LOW CALAMINT |
| Callirhoe triangulata |
POPPY MALLOW |
| Calopogon tuberosus |
GRASS PINK ORCHID |
| Caltha palustris |
COWSLIP |
| Calylophus serrulatus |
TOOTHED EVENING PRIMROSE |
| Calystegia sepium americana |
AMERICAN BINDWEED |
| Calystegia spithamaea |
DWARF BINDWEED |
| Camassia scilloides |
WILD HYACINTH |
| Campanula americana |
AMERICAN BELLFLOWER |
| Campanula aparinoides |
MARSH BELLFLOWER |
| Campanula rapunculoides |
EUROPEAN BELLFLOWER |
| Campanula rotundifolia |
BELLFLOWER |
| Cannabis sativa |
HASHISH |
| Capsella bursa-pastoris |
SHEPERD'S-PURSE |
| Cardamine bulbosa |
BULB BITTERCRESS |
| Cardamine douglassii |
NORTHERN BITTER CRESS |
| Cardamine pensylvanica |
BITTER CRESS |
| Cardaria draba |
HOARY CRESS |
| Carex aggregata |
|
| Carex albursina |
SEDGE |
| Carex annectens |
|
| Carex atherodes |
SEDGE |
| Carex bebbii |
BEAUTIFUL SEDGE |
| Carex bicknellii |
BICKNELL SEDGE |
| Carex blanda |
WOODLAND SEDGE |
| Carex brevior |
FESCUE SEDGE |
| Carex buxbaumii |
BUXBAUM SEDGE |
| Carex cephalophora |
|
| Carex convoluta |
|
| Carex cristatella |
SEDGE |
| Carex eburnea |
SEDGE |
| Carex emoryi |
EMORY SEDGE |
| Carex festucacea |
SEDGE |
| Carex gracilescens |
SEDGE |
| Carex gravida |
HEAVY SEDGE |
| Carex grisea |
SEDGE |
| Carex haydenii |
HAYDEN 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 lasiocarpa |
SEDGE |
| Carex muhlenbergii |
|
| Carex normalis |
SEDGE |
| Carex oligocarpa |
SEDGE |
| Carex pensylvanica |
PENNSYLVANIA SEDGE |
| Carex rosea |
|
| Carex scoparia |
BROOM SEDGE |
| Carex stipata |
PRICKLY SEDGE |
| Carex stricta |
TUSSOCK SEDGE |
| Carex tenera |
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 ovata |
SCALY-BARK HICKORY |
| Cassia fasciculata |
GOLDEN CASSIA |
| Cassia hebecarpa |
WILD SENNA |
| Cassia marilandica |
MARYLAND SENNA |
| Castilleja coccinea |
INDIAN PAINTBRUSH |
| Caulophyllum thalictroides |
BLUE COHOSH |
| Ceanothus americanus |
NEW JERSEY TEA |
| Celastrus orbiculatus |
ROUND-LEAVED BITTERSWEET |
| Celastrus scandens |
BITTERSWEET |
| Celtis occidentalis |
HACKBERRY |
| Celtis occidentalis canina |
HACKBERRY |
| Centaurea maculosa |
SPOTTED CENTAUREA |
| Cephalanthus occidentalis |
BUTTONBUSH |
| Cerastium vulgatum |
COMMON MOUSE-EAR CHICKWEED |
| Ceratophyllum demersum |
COONTAIL |
| Ceratophyllum muricatum |
SPINY COONTAIL |
| Chaenorrhinum minus |
DWARF SNAPDRAGON |
| Chaerophyllum procumbens |
WILD CHERVIL |
| Chamaesyce glyptosperma |
SPURGE |
| Chamaesyce maculata |
NODDING SPURGE |
| Chamaesyce supina |
MILK SPURGE |
| Cheilanthes lanosa |
HAIRY LIP FERN |
| Chelidonium majus |
CELANDINE |
| Chelone glabra |
WHITE TURTLEHEAD |
| Chenopodium album |
LAMB'S QUARTERS |
| Chenopodium gigantospermum |
MAPLE-LEAVED GOOSEFOOT |
| Chenopodium pallescens |
NARROW-LEAVED GOOSEFOOT |
| Cichorium intybus |
BLUE SAILORS |
| Cicuta maculata |
WATER HEMLOCK |
| Cinna arundinacea |
STOUTWOOD REED |
| Circaea lutetiana canadensis |
ENCHANTER'S NIGHTSHADE |
| Cirsium altissimum |
TALL THISTLE |
| Cirsium arvense |
CANADA THISTLE |
| Cirsium discolor |
FIELD THISTLE |
| Cirsium vulgare |
BULL THISTLE |
| Claytonia virginica |
SPRING BEAUTY |
| Clematis virginiana |
VIRGIN'S BOWER |
| Coeloglossum viride |
BRACTED GREEN ORCHID |
| Comandra umbellata |
BASTARD TOAD-FLAX |
| Convolvulus arvensis |
FIELD BINDWEED |
| Conyza canadensis |
HORSEWEED |
| Conyza ramosissima |
DWARF FLEABANE |
| Coreopsis palmata |
PRAIRIE COREOPSIS |
| Coreopsis tinctoria |
GOLDEN COREOPSIS |
| Coreopsis tripteris |
TALL COREOPSIS |
| Cornus alternifolia |
ALTERNATE-LEAVED DOGWOOD |
| Cornus canadensis |
BUNCHBERRY |
| Cornus drummondii |
ROUGH-LEAVED DOGWOOD |
| Cornus obliqua |
PALE DOGWOOD |
| Cornus racemosa |
GRAY DOGWOOD |
| Cornus rugosa |
ROUND-LEAVED DOGWOOD |
| Cornus stolonifera |
RED OSIER DOGWOOD |
| Corydalis aurea |
GOLDEN CORYDALIS |
| Corydalis flavula |
PALE CORYDALIS |
| Corydalis micrantha |
SLENDER CORYDALIS |
| Corydalis sempervirens |
PINK CORYDALIS |
| Corylus americana |
AMERICAN FILBERT |
| Crataegus mollis |
RED HAW |
| Cryptogramma stelleri |
SLENDER CLIFFBRAKE |
| Cryptotaenia canadensis |
HONEWORT |
| Cuscuta cephalanthi |
BUTTONBUSH DODDER |
| Cuscuta cuspidata |
DODDER |
| Cuscuta glomerata |
DODDER |
| Cycloloma atriplicifolium |
TUMBLE RINGWING |
| Cynoglossum officinale |
COMMON HOUND'S TONGUE |
| Cyperus aristatus |
BEARDED FLAT SEDGE |
| Cyperus esculentus |
CHUFA |
| Cyperus filiculmis |
FERN FLATSEDGE |
| Cyperus filiculmis macilentus |
|
| Cyperus rivularis |
BROOK FLAT SEDGE |
| Cyperus strigosus |
STRAW COLORED FLATSEDGE |
| Cypripedium acaule |
LADY'S-SLIPPER ORCHID |
| Cypripedium parviflorum |
SM. YELLOW LADY-SLIPPER ORCHID |
| Cypripedium pubescens |
LG. YELLOW LADY-SLIPPER ORCHID |
| Cypripedium reginae |
SHOWY LADY'S-SLIPPER ORCHID |
| Cystopteris X laurentiana |
|
| Cystopteris bulbifera |
BERRY BLADDER FERN |
| Cystopteris protrusa |
FRAGILE FERN |
| Dactylis glomerata |
ORCHARD GRASS |
| Dalea candida |
WHITE PRAIRIE CLOVER |
| Dalea foliosa |
LEAFY PRAIRIE CLOVER |
| Dalea leporina |
FOXTAIL DALEA |
| Dalea purpurea |
PURPLE PRAIRIE CLOVER |
| Danthonia spicata |
CURLY GRASS |
| Datura stramonium |
JIMSONWEED |
| Daucus carota |
QUEEN-ANNE'S-LACE |
| Dennstaedtia punctilobula |
HAY-SCENTED FERN |
| Dentaria laciniata |
PEPPER-ROOT |
| Descurainia pinnata brachycarpa |
TANSY MUSTARD |
| Desmanthus illinoensis |
ILLINOIS BUNDLEFLOWER |
| Desmodium canadense |
SHOWY TICK TREFOIL |
| Desmodium canescens |
HOARY TICK TREFOIL |
| Desmodium cuspidatum |
TICK TREFOIL |
| Desmodium glutinosum |
BEGGAR'S LICE |
| Desmodium illinoense |
ILLINOIS TICK TREFOIL |
| Desmodium sessilifolium |
SESSILE-LEAVED TICKTREFOIL |
| Dicentra canadensis |
SQUIRREL-CORN |
| Dicentra cucullaria |
DUTCHMAN'S-BREECHES |
| Dicentra eximia |
WILD BLEEDING HEART |
| Dichanthelium acuminatum fasciculatum |
PANIC GRASS |
| Dichanthelium acuminatum lindheimeri |
PANIC GRASS |
| Dichanthelium columbianum |
HEMLOCK PANIC GRASS |
| Dichanthelium depauperatum |
STARVED PANIC GRASS |
| Dichanthelium latifolium |
|
| Dichanthelium leibergii |
|
| Dichanthelium meridionale |
MAT PANIC GRASS |
| Dichanthelium oligosanthes |
|
| Dichanthelium oligosanthes scribnerianum |
SCRIBNER'S PANIC GRASS |
| Dichanthelium perlongum |
LONG-STALKED PANIC GRASS |
| Dichanthelium villosissimum |
HAIRY PANIC GRASS |
| Dichanthelium villosissimum pseudopubesc |
|
| Diervilla lonicera |
BUSH HONEYSUCKLE |
| Digitaria ischaemum |
SMOOTH CRAB GRASS |
| Digitaria sanguinalis |
HAIRY CRAB GRASS |
| Dioscorea villosa |
WILD YAM |
| Dirca palustris |
LEATHERWOOD |
| Dodecatheon meadia |
SHOOTING STAR |
| Draba reptans |
WHITLOW GRASS |
| Draba reptans stellifera |
SMALL WHITLOW GRASS |
| Drosera rotundifolia |
ROUND-LEAVED SUNDEW |
| Dryopteris carthusiana |
SPINULOSE WOODFERN |
| Dryopteris cristata |
CRESTED FERN |
| Dryopteris intermedia |
COMMON WOODFERN |
| Dryopteris marginalis |
LEATHER FERN |
| Dyssodia papposa |
FETID MARIGOLD |
| Echinacea pallida |
PALE PURPLE CONEFLOWER |
| Echinochloa muricata |
BARNYARD GRASS |
| Echinochloa muricata wiegandii |
BARNYARD GRASS |
| Echinocystis lobata |
WILD BALSAM-APPLE |
| Eleocharis acicularis |
NEEDLE SPIKE RUSH |
| Eleocharis erythropoda |
|
| Eleocharis intermedia |
MATTED SPIKE RUSH |
| Eleocharis obtusa |
|
| Eleocharis obtusa ovata |
SPIKE RUSH |
| Ellisia nyctelea |
AUNT LUCY |
| Elodea canadensis |
ANACHARIS |
| Elymus canadensis |
CANADA WILD RYE |
| Elymus hystrix |
BOTTLEBRUSH GRASS |
| Elymus hystrix bigeloviana |
BOTTLEBRUSH GRASS |
| Elymus villosus |
HAIRY WILD RYE |
| Elymus virginicus |
LYME GRASS |
| Epilobium angustifolium |
FIREWEED |
| Epilobium ciliatum |
NORTHERN WILLOW HERB |
| 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 |
| Equisetum pratense |
MEADOW HORSETAIL |
| Equisetum sylvaticum |
WOOD HORSETAIL |
| Eragrostis cilianensis |
STINK GRASS |
| Eragrostis hypnoides |
CREEPING LOVE GRASS |
| Eragrostis pectinacea |
CAROLINA LOVE GRASS |
| Eragrostis reptans |
PONY 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 |
| Erysimum cheiranthoides |
WORMSEED MUSTARD |
| Erythronium albidum |
WHITE ADDER'S TONGUE |
| Erythronium americanum |
YELLOW ADDER'S TONGUE |
| Euonymus atropurpureus |
BURNING BUSH |
| Eupatorium altissimum |
TALL BONESET |
| Eupatorium maculatum |
SPOTTED JOE PYE WEED |
| Eupatorium perfoliatum |
COMMON BONESET |
| Eupatorium purpureum |
GREEN-STEMMED JOE-PYE WEED |
| Eupatorium rugosum |
WHITE SNAKEROOT |
| Eupatorium serotinum |
LATE BONESET |
| Euphorbia commutata |
WOOD SPURGE |
| Euphorbia corollata |
FLOWERING SPURGE |
| Euphorbia cyparissias |
CYPRESS SPURGE |
| Euthamia graminifolia |
GRASSLEAF GOLDENROD |
| Euthamia gymnospermoides |
GRASSLEAF GOLDENROD |
| Festuca obtusa |
NODDING FESCUE |
| Festuca pratensis |
ENGLISH BLUEGRASS |
| Fragaria americana |
HILLSIDE STRAWBERRY |
| Fragaria virginiana |
WILD STRAWBERRY |
| Fraxinus americana |
WHITE ASH |
| Fraxinus pennsylvanica |
GREEN ASH |
| Fraxinus quadrangulata |
BLUE ASH |
| Galearis spectabilis |
SHOWY ORCHIS |
| Galium aparine |
ANNUAL BEDSTRAW |
| Galium asprellum |
ROUGH BEDSTRAW |
| Galium boreale |
NORTHERN BEDSTRAW |
| Galium circaezans |
WILD LICORICE |
| Galium concinnum |
SHINING BEDSTRAW |
| Galium obtusum |
WILD MADDER |
| Galium tinctorium |
STIFF BEDSTRAW |
| Galium triflorum |
SWEET-SCENTED BEDSTRAW |
| Gaultheria procumbens |
CHECKERBERRY |
| Gaura biennis |
BUTTERFLY-WEED |
| Gaylussacia baccata |
BLACK HUCKLEBERRY |
| Gentiana alba |
PALE GENTIAN |
| Gentiana andrewsii |
CLOSED GENTIAN |
| Gentiana puberulenta |
DOWNY GENTIAN |
| Gentianella quinquefolia occidentalis |
STIFF GENTIAN |
| Gentianopsis crinita |
FRINGED GENTIAN |
| Geranium maculatum |
WILD GERANIUM |
| Geranium sibiricum |
SIBERIAN CRANESBILL |
| Geum aleppicum |
YELLOW AVENS |
| Geum canadense |
WHITE AVENS |
| Geum laciniatum |
ROUGH AVENS |
| Geum triflorum |
PRAIRIE AVENS |
| Glechoma hederacea micrantha |
GROUND IVY |
| Gleditsia triacanthos |
HONEY LOCUST |
| Glyceria grandis |
AMERICAN MANNA GRASS |
| Glyceria striata |
FOWL MANNA GRASS |
| Gnaphalium obtusifolium |
CATFOOT |
| Goodyera pubescens |
RATTLESNAKE PLANTAIN |
| Gratiola neglecta |
CLAMMY HEDGE HYSSOP |
| Grindelia squarrosa |
CURLYCUP GUMWEED |
| Gymnocarpium dryopteris |
OAK FERN |
| Gymnocladus dioicus |
KENTUCKY COFFEETREE |
| Hackelia virginiana |
STICKSEED |
| Hamamelis virginiana |
WITCH-HAZEL |
| Hedeoma hispida |
ROUGH PENNYROYAL |
| Hedeoma pulegioides |
AMERICAN PENNYROYAL |
| Hedyotis crassifolia |
TINY BLUETS |
| Helenium autumnale |
AUTUMN SNEEZEWEED |
| Helianthemum bicknellii |
FROSTWEED |
| Helianthemum canadense |
COMMON ROCKROSE |
| Helianthus annuus |
COMMON SUNFLOWER |
| Helianthus divaricatus |
DIVERGENT SUNFLOWER |
| Helianthus grosseserratus |
SAWTOOTH SUNFLOWER |
| Helianthus hirsutus |
BRISTLY SUNFLOWER |
| Helianthus occidentalis |
WESTERN SUNFLOWER |
| Helianthus rigidus |
PRAIRIE SUNFLOWER |
| Helianthus strumosus |
PALE-LEAVED SUNFLOWER |
| Heliopsis helianthoides |
FALSE SUNFLOWER |
| Hepatica nobilis acuta |
SHARP-LOBED HEPATICA |
| Heracleum lanatum |
COW PARSNIP |
| Heterotheca camporum |
GOLDEN ASTER |
| Heuchera richardsonii grayana |
PRAIRIE ALUMROOT |
| Hibiscus trionum |
FLOWER-OF-AN-HOUR |
| Hieracium aurantiacum |
DEVIL'S PAINT BRUSH |
| Hieracium canadense |
CANADA HAWKWEED |
| Hieracium longipilum |
HAIRY HAWKWEED |
| Hieracium scabrum |
HAIRY HAWKWEED |
| Hierochloe odorata |
SWEET GRASS |
| Hordeum jubatum |
FOX-TAIL BARLEY |
| Humulus japonicus |
JAPANESE HOPS |
| Humulus lupulus |
COMMON HOPS |
| Hydrastis canadensis |
GOLDEN SEAL |
| Hydrophyllum appendiculatum |
GREAT WATERLEAF |
| Hydrophyllum virginianum |
VIRGINIA WATERLEAF |
| Hypericum canadense |
CANADIAN ST. JOHNS-WORT |
| Hypericum gentianoides |
PINEWEED |
| Hypericum majus |
ST. JOHNS-WORT |
| Hypericum mutilum |
DWARF ST. JOHNS-WORT |
| Hypericum perforatum |
COMMON ST. JOHNS-WORT |
| Hypericum punctatum |
SPOTTED ST. JOHNS-WORT |
| Hypericum pyramidatum |
GIANT ST. JOHNS-WORT |
| Hypericum sphaerocarpum |
ROUND-FRUITED ST. JOHNS-WORT |
| Hypoxis hirsuta |
COMMON GOLDSTARGRASS |
| Ilex verticillata |
WINTERBERRY |
| Impatiens capensis |
JEWELWEED |
| Impatiens pallida |
PALE TOUCH-ME-NOT |
| Ipomoea pandurata |
WILD SWEET POTATO VINE |
| Iris pseudacorus |
WATER FLAG |
| Iris shrevei |
SOUTHERN BLUE FLAG |
| Isopyrum biternatum |
FALSE RUE ANEMONE |
| Jeffersonia diphylla |
TWINLEAF |
| Juglans cinerea |
BUTTERNUT |
| Juglans nigra |
BLACK WALNUT |
| Juncus bufonius |
TOAD RUSH |
| Juncus canadensis |
CANADIAN RUSH |
| Juncus dudleyi |
DUDLEY RUSH |
| Juncus effusus solutus |
COMMON RUSH |
| Juncus greenei |
RUSH |
| Juncus interior |
INLAND RUSH |
| Juncus nodosus |
JOINTED RUSH |
| Juncus tenuis |
PATH RUSH |
| Juniperus virginiana |
EASTERN RED CEDAR |
| Kochia scoparia |
BELVEDERE SUMMER CYPRESS |
| Koeleria macrantha |
CRESTED HAIR GRASS |
| Krigia biflora |
FALSE DANDELOIN |
| Krigia virginica |
DWARF DANDELION |
| Kummerowia stipulacea |
KOREAN CLOVER |
| Lactuca canadensis |
CANADA LETTUCE |
| Lactuca floridana |
BLUE LETTUCE |
| Lactuca serriola |
COMPASS PLANT |
| Laportea canadensis |
CANADA WOOD NETTLE |
| Lappula echinata |
BEGGAR'S LICE |
| Lathyrus ochroleucus |
CREAM PEAVINE |
| Lathyrus palustris |
MARSH PEAVINE |
| Lathyrus palustris myrtifolius |
VETCHLING |
| Lathyrus venosus intonsus |
VEINY PEA |
| Lechea minor |
PINWEED |
| Lechea stricta |
PINWEED |
| Lechea tenuifolia |
NARROW-LEAVED PINWEED |
| Lechea villosa |
HAIRY PINWEED |
| Leersia oryzoides |
RICE CUTGRASS |
| Lemna minor |
COMMON DUCKWEED |
| Leonurus cardiaca |
MOTHERWORT |
| Lepidium campestre |
FIELD CRESS |
| Lepidium densiflorum |
PEPPERGRASS |
| Lepidium virginicum |
COMMON PEPPERGRASS |
| Leptoloma cognatum |
FALL WITCH GRASS |
| Lespedeza capitata |
BUSH CLOVER |
| Lespedeza leptostachya |
PRAIRIE BUSH CLOVER |
| Lespedeza virginica |
SLENDER BUSH CLOVER |
| Leucanthemum vulgare |
COMMON TANSY |
| Liatris aspera |
ROUGH BLAZING STAR |
| Liatris cylindracea |
CYLINDRICAL BLAZING STAR |
| Liatris pycnostachya |
BUTTON SNAKEROOT |
| Lilium michiganense |
MICHIGAN LILY |
| Lilium philadelphicum andinum |
WOOD LILY |
| Linaria canadensis |
BLUE TOADFLAX |
| Linaria vulgaris |
BUTTER-AND-EGGS |
| Lindernia dubia |
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 inflata |
INDIAN TOBACCO |
| Lobelia siphilitica |
BLUE CARDINAL-FLOWER |
| Lobelia spicata |
SPIKED LOBELIA |
| Lobelia spicata leptostachys |
SPIKED LOBELIA |
| Lonicera X bella |
HONEYSUCKLE |
| Lonicera prolifera |
GRAPE HONEYSUCKLE |
| Lonicera sempervirens |
TRUMPET HONEYSUCKLE |
| Lonicera tatarica |
TARTARIAN HONEYSUCKLE |
| Ludwigia alternifolia |
SEEDBOX |
| Ludwigia polycarpa |
FALSE LOOSESTRIFE |
| Lupinus perennis |
WILD LUPINE |
| Luzula acuminata |
HAIRY WOODRUSH |
| Luzula multiflora |
COMMON WOODRUSH |
| Lychnis alba |
EVENING CAMPION |
| Lycopodium clavatum |
BOG CLUBMOSS |
| Lycopodium dendroideum |
GROUND PINE |
| Lycopodium digitatum |
GROUND PINE |
| Lycopodium inundatum |
BOG CLUBMOSS |
| Lycopodium lucidulum |
SHINING CLUBMOSS |
| Lycopodium porophilum |
CLIFF CLUBMOSS |
| Lycopus americanus |
COMMON WATER HOREHOUND |
| Lycopus rubellus |
STALKED WATER HOREHOUND |
| Lycopus uniflorus |
NOTHERN BUGLE WEED |
| Lycopus virginicus |
BUGLE WEED |
| Lysimachia X commixta |
LOOSESTRIFE |
| Lysimachia ciliata |
FRINGED LOOSESTRIFE |
| Lysimachia lanceolata |
LANCE-LEAVED LOOSESTRIFE |
| Lysimachia nummularia |
MONEYWORT |
| Lysimachia quadriflora |
NARROW-LEAVED LOOSESTRIFE |
| Lysimachia quadrifolia |
WHORLED LOOSESTRIFE |
| Lysimachia terrestris |
SWAMP CANDLES |
| Lysimachia thyrsiflora |
TUFTED LOOSESTRIFE |
| Lythrum alatum |
WINGED LOOSESTRIFE |
| Lythrum salicaria |
PURPLE LOOSESTRIFE |
| Maclura pomifera |
HEDGE APPLE |
| Maianthemum canadense interius |
FALSE LILY OF THE VALLEY |
| Malus coronaria |
WILD SWEET CRAB APPLE |
| Malus ioensis |
IOWA CRAB APPLE |
| Malva neglecta |
CHEESES |
| Matricaria matricarioides |
PINEAPPLE WEED |
| Matteuccia struthiopteris |
OSTRICH FERN |
| 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 gentilis |
LITTLE-LEAVED MINT |
| Mentha X piperita |
PEPPERMINT |
| Mentha arvensis villosa |
FIELD MINT |
| Mentha spicata |
SPEARMINT |
| Mertensia virginica |
BLUEBELLS |
| Mimulus glabratus fremontii |
YELLOW MONKEY FLOWER |
| Mimulus ringens |
MONKEY FLOWER |
| Minuartia stricta |
ROCK SANDWORT |
| Mirabilis nyctaginea |
WILD FOUR-O'CLOCK |
| Mitella diphylla |
BISHOP'S-CAP |
| Moehringia lateriflora |
BLUNTLEAF SANDWORT |
| Mollugo verticillatus |
CARPETWEED |
| Monarda fistulosa |
WILD BERGAMOT |
| Monotropa uniflora |
INDIAN PIPE |
| Morus alba |
WHITE MULBERRY |
| Morus alba tatarica |
RUSSIAN MULBERRY |
| Morus rubra |
RED MULBERRY |
| Muhlenbergia frondosa |
COMMON SATIN GRASS |
| Muhlenbergia mexicana |
LEAFY SATIN GRASS |
| Muhlenbergia racemosa |
GREEN MUHLY |
| Muhlenbergia schreberi |
NIMBLE WILL |
| Muhlenbergia sylvatica |
MUHLY |
| Myosotis verna |
SCORPION GRASS |
| Myosoton aquaticum |
GIANT CHICKWEED |
| Napaea dioica |
GLADE MALLOW |
| Nasturtium officinale |
TRUE WATER CRESS |
| Nepeta cataria |
CATNIP |
| Nothocalais cuspidata |
PRAIRIE DANDELION |
| Oenothera biennis |
EVENING PRIMROSE |
| Oenothera biennis canescens |
EVENING PRIMROSE |
| Oenothera laciniata |
RAGGED EVENING PRIMROSE |
| Oenothera rhombipetala |
SAND PRIMROSE |
| Onoclea sensibilis |
SENSITIVE FERN |
| Onosmodium hispidissimum |
MARBLESEED |
| Onosmodium molle occidentale |
MARBLESEED |
| Opuntia humifusa |
PRICKLY-PEAR |
| Oryzopsis racemosa |
BLACK-SEEDED RICE GRASS |
| Osmorhiza claytonii |
SWEET CICELY |
| Osmorhiza longistylis |
ANISE-ROOT |
| Osmunda cinnamomea |
CINNAMON FERN |
| 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 |
| Panax quinquefolius |
GINSENG |
| Panicum capillare |
WITCH GRASS |
| Panicum dichotomiflorum |
FALL PANICUM |
| Panicum virgatum |
PRAIRIE SWITCHGRASS |
| Parietaria pensylvanica |
PENNSYLVANIA PELLITORY |
| Parnassia glauca |
GRASS-OF-PARNASSUS |
| Paronychia canadensis |
FORKED CHICKWEED |
| Parthenium integrifolium |
AMERICAN FEVERFEW |
| Parthenocissus inserta |
VIRGINIA CREEPER |
| Parthenocissus quinquefolia |
VIRGINIA CREEPER |
| Paspalum ciliatifolium |
BEADGRASS |
| Pastinaca sativa |
PARSNIP |
| Pedicularis canadensis |
LOUSEWORT |
| Pedicularis lanceolata |
SWAMP WOOD BETONY |
| Pellaea atropurpurea |
PURPLE CLIFFBRAKE |
| Pellaea glabella |
PURPLE CLIFFBRAKE |
| Penstemon digitalis |
FOXGLOVE BEARD-TONGUE |
| Penstemon hirsutus |
HAIRY BEARD-TONGUE |
| Penstemon pallidus |
PALE BEARD-TONGUE |
| Penthorum sedoides |
DITCH STONECROP |
| Perideridia americana |
|
| Phegopteris connectilis |
LONG BEECH FERN |
| Phegopteris hexagonoptera |
BROAD BEECH FERN |
| Phleum pratense |
TIMOTHY |
| Phlox bifida |
CLEFF PHLOX |
| Phlox divaricata laphamii |
BLUE PHLOX |
| Phlox glaberrima interior |
SMOOTH PHLOX |
| Phlox pilosa |
DOWNY PHLOX |
| Phragmites australis |
COMMON RED REED |
| Phryma leptostachya |
LOPSEED |
| Phyla lanceolata |
FOG-FRUIT |
| Physalis heterophylla |
GROUND CHERRY |
| Physalis pubescens |
ANNUAL GROUND CHERRY |
| Physalis subglabrata |
SMOOTH GROUND CHERRY |
| Physalis virginiana |
GROUND CHERRY |
| Physocarpus opulifolius |
COMMON NINEBARK |
| Physostegia speciosa |
FALSE DRAGONHEAD |
| Physostegia virginiana |
FALSE DRAGONHEAD |
| Phytolacca americana |
POKEWEED |
| Pilea pumila |
CANADA CLEARWEED |
| Pinus banksiana |
JACK PINE |
| Pinus strobus |
WHITE PINE |
| Plantago aristata |
BRACTED PLANTAIN |
| Plantago lanceolata |
BUCKHORN |
| Plantago major |
COMMON PLANTAIN |
| Plantago patagonica brevicarpa |
SALT AND PEPPER PLANT |
| Plantago rugelii |
RED-STALKED PLANTAIN |
| Plantago virginica |
DWARF PLANTAIN |
| Platanthera flava herbiola |
TUBERCLED ORCHID |
| Platanthera lacera |
GREEN FRINGED ORCHID |
| Platanthera leucophaea |
PRAIRIE WHITE FRINGED ORCHID |
| Platanus occidentalis |
BUTTONWOOD |
| Poa compressa |
CANADIAN BLUEGRASS |
| Poa pratensis |
KENTUCKY BLUEGRASS |
| Podophyllum peltatum |
MAYAPPLE |
| Pogonia ophioglossoides |
ROSE POGONIA |
| Poinsettia cyanthophora |
WILD POINSETTIA |
| Poinsettia dentata |
WILD POINSETTIA |
| Polanisia dodecandra |
CLAMMYWEED |
| Polemonium reptans |
JACOB'S-LADDER |
| Polygala cruciata aquilonia |
CROSS MILKWORT |
| Polygala polygama obtusata |
PURPLE MILKWORT |
| Polygala sanguinea |
FIELD MILKWORT |
| Polygala senega |
SENECA SNAKEROOT |
| Polygala verticillata |
WHORLED MILKWORT |
| Polygonatum commutatum |
GREAT SOLOMON SEAL |
| Polygonella articulata |
JOINTWEED |
| Polygonum amphibium |
WATER SMARTWEED |
| Polygonum arenastrum |
KNOTWEED |
| Polygonum convolvulus |
BLACK BIRDWEED |
| 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 ramosissimum |
BUSHY KNOTWEED |
| Polygonum sagittatum |
ARROWLEAF TEARTHUMB |
| Polygonum scandens |
CLIMBING BUCKWHEAT |
| Polygonum tenue |
SLENDER KNOTWEED |
| Polygonum virginianum |
VIRGINIA KNOTWEED |
| Polymnia canadensis |
LEAFCUP |
| Polymnia canadensis |
LEAFCUP |
| Polypodium virginianum |
COMMON POLYPODY |
| Polystichum acrostichoides |
CHRISTMAS FERN |
| Polytaenia nuttallii |
PRAIRIE PARSLEY |
| Populus deltoides |
EASTERN COTTONWOOD |
| Populus grandidentata |
BIG-TOOTH ASPEN |
| Populus tremuloides |
QUAKING ASPEN |
| Portulaca oleracea |
PURSLANE |
| Potamogeton foliosus |
LEAFY PONDWEED |
| Potamogeton illinoensis |
ILLINOIS PONDWEED |
| Potamogeton pectinatus |
COMB PONDWEED |
| Potentilla argentea |
SILVERY CINQUEFOIL |
| Potentilla arguta |
PRAIRIE CINQUEFOIL |
| Potentilla norvegica |
ROUGH CINQUEFOIL |
| Potentilla recta |
SULFUR CINQUEFOIL |
| Potentilla simplex |
COMMON CINQUEFOIL |
| Prenanthes alba |
LION'S FOOT |
| Prenanthes racemosa |
GLAUCOUS WHITE LETTUCE |
| Prunella vulgaris elongata |
SELF-HEAL |
| Prunus americana |
AMERICAN PLUM |
| Prunus pensylvanica |
PIN CHERRY |
| Prunus serotina |
WILD BLACK CHERRY |
| Prunus susquehanae |
SAND CHERRY |
| Prunus virginiana |
COMMON CHOKECHERRY |
| Ptelea trifoliata |
WAFER ASH |
| Pteridium aquilinum latiusculum |
BRACKEN FERN |
| Pulsatilla patens multifida |
PASQUE-FLOWER |
| Pycnanthemum tenuifolium |
SLENDER MOUNTAIN MINT |
| Pycnanthemum virginianum |
COMMON MOUNTAIN MINT |
| Pyrola americana |
ROUND-LEAVED SHINLEAF |
| Pyrola elliptica |
SHINLEAF |
| Quercus alba |
WHITE OAK |
| Quercus ellipsoidalis |
HILL'S OAK |
| Quercus imbricaria |
JACK OAK |
| Quercus macrocarpa |
BURR OAK |
| Quercus palustris |
PIN OAK |
| Quercus prinoides acuminata |
CHINKAPIN OAK |
| Quercus rubra |
NORTHERN RED OAK |
| Quercus velutina |
BLACK OAK |
| Ranunculus abortivus |
LITTLE-LEAF BUTTERCUP |
| Ranunculus acris |
TALL BUTTERCUP |
| Ranunculus fascicularis |
EARLY BUTTERCUP |
| Ranunculus flabellaris |
YELLOW WATER BUTTERCUP |
| Ranunculus hispidus |
BRISTLY BUTTERCUP |
| Ranunculus longirostris |
LONGBEAK BUTTERCUP |
| Ranunculus recurvatus |
HOOKED BUTTERCUP |
| Ranunculus repens |
CREEPING BUTTERCUP |
| Ranunculus rhomboideus |
PLAINS BUTTERCUP |
| Ranunculus septentrionalis |
SWAMP BUTTERCUP |
| Ranunculus trichophyllus |
WHITE WATER-CROWFOOT |
| Ratibida pinnata |
DROOPING CONEFLOWER |
| Rhamnus cathartica |
COMMON BUCKTHORN |
| Rhamnus frangula |
GLOSSY BUCKTHORN |
| Rhus copallina |
DWARF SUMAC |
| Rhus glabra |
SMOOTH SUMAC |
| Ribes americanum |
WILD BLACK CURRENT |
| Ribes missouriense |
MISSOURI GOOSEBERRY |
| Ribes odoratum |
BUFFALO CURRENT |
| Robinia pseudoacacia |
BLACK LOCUST |
| Rorippa sessiliflora |
SESSILE-FLOWERED CRESS |
| Rorippa sinuata |
SPREADING YELLOW CRESS |
| Rorippa sylvestris |
CREEPING YELLOW CRESS |
| Rosa blanda |
MEADOW ROSE |
| Rosa carolina |
PASTURE ROSE |
| Rosa eglanteria |
SWEET-BRIER |
| Rosa suffulta |
SUNSHINE ROSE |
| Rubus allegheniensis |
COMMON BLACKBERRY |
| Rubus argutus |
HIGHBUSH BLACKBERRY |
| Rubus flagellaris |
DEWBERRY |
| Rubus hispidus |
SWAMPY DEWBERRY |
| Rubus occidentalis |
BLACK RASPBERRY |
| Rubus odoratus |
FLOWERING RASPBERRY |
| Rubus strigosus |
RED RASPBERRY |
| Rudbeckia hirta |
BLACK-EYED SUSAN |
| Rudbeckia laciniata |
CUTLEAF CONEFLOWER |
| Rudbeckia subtomentosa |
FRAGRANT CONEFLOWER |
| Rudbeckia triloba |
BROWN-EYED SUSAN |
| Ruellia humilis |
HAIRY RUELLIA |
| Rumex acetosella |
COMMON SORREL |
| Rumex altissimus |
PALE DOCK |
| Rumex crispus |
CURLY DOCK |
| Rumex mexicanus |
DOCK |
| Rumex obtusifolius |
BITTER DOCK |
| Rumex verticillatus |
SWAMP DOCK |
| Sagittaria brevirostra |
ARROWLEAF |
| Sagittaria latifolia |
ARROWHEAD |
| Salix alba |
WHITE WILLOW |
| Salix amygdaloides |
PEACH-LEAVED WILLOW |
| Salix bebbiana |
BEAKED WILLOW |
| Salix discolor |
PUSSY WILLOW |
| Salix humilis |
PRAIRIE WILLOW |
| Salix lucida |
SHINING WILLOW |
| Salix nigra |
BLACK WILLOW |
| Salix petiolaris |
MEADOW 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 |
| Saxifraga forbesii |
FORBES' SAXIFRAGE |
| Saxifraga pensylvanica |
SWAMP SAXIFRAGE |
| Schizachyrium scoparium |
LITTLE BLUESTEM |
| Scirpus americanus |
AMERICAN BULRUSH |
| Scirpus atrovirens |
DARK GREEN RUSH |
| Scirpus cyperinus |
WOOL GRASS |
| Scirpus micranthus |
|
| Scirpus tabernaemontanii |
GREAT BULRUSH |
| Scleria triglomerata |
TALL NUT GRASS |
| Scrophularia lanceolata |
EARLY FIGWORT |
| Scrophularia marilandica |
LATE FIGWORT |
| Scutellaria galericulata |
MARSH SKULLCAP |
| Scutellaria lateriflora |
MAD-DOG SKULLCAP |
| Scutellaria leonardii |
SMALL SKULLCAP |
| Scutellaria ovata |
HEART-LEAVED SKULLCAP |
| Scutellaria parvula |
SMALL SKULLCAP |
| Selaginella rupestris |
ROCK SELAGINELLA |
| Senecio aureus |
GOLDEN RAGWORT |
| Senecio pauperculus |
BALSAM GROUNDSEL |
| Senecio plattensis |
PRAIRIE GROUNDSEL |
| Setaria faberi |
GIANT FOXTAIL |
| Setaria glauca |
PIGEON GRASS |
| Setaria viridis |
COMMON FOXTAIL |
| Silene antirrhina |
SLEEPY CATCHFLY |
| Silene armeria |
SWEET WILLIAM CATCHFLY |
| Silene cserei |
GLAUCOUS CAMPION |
| Silene noctiflora |
NIGHT-FLOWERING CATCHFLY |
| 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 albidum |
BLUE-EYED GRASS |
| Sisyrinchium angustifolium |
COMMON BLUE-EYED GRASS |
| Sisyrinchium campestre |
PRAIRIE BLUE-EYED GRASS |
| Sisyrinchium mucronatum |
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 dulcamara |
FALSE BITTERSWEET |
| Solanum ptycanthum |
BLACK NIGHTSHADE |
| 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 ptarmicoides |
STIFF ASTER |
| Solidago riddellii |
RIDDELL'S GOLDENROD |
| Solidago rigida |
RIGID GOLDENROD |
| Solidago sciaphila |
CLIFF GOLDENROD |
| Solidago speciosa |
SHOWY GOLDENROD |
| Solidago uliginosa |
BOG GOLDENROD |
| Solidago ulmifolia |
ELM-LEAVED GOLDENROD |
| Sonchus arvensis |
FIELD SOWTHISTLE |
| Sonchus arvensis glabrescens |
|
| Sonchus oleraceus |
COMMON SOWTHISTLE |
| Sorbus americana |
AMERICAN MOUNTAIN ASH |
| Sorbus aucuparia |
EUROPEAN MOUNTAIN ASH |
| Sorghastrum nutans |
INDIAN GRASS |
| Sorghum bicolor |
BROOM CORN |
| Spartina pectinata |
FRESHWATER CORD GRASS |
| Spartina pectinata |
FRESHWATER CORD GRASS |
| Sphenopholis nitida |
SHINING WEDGE GRASS |
| Sphenopholis obtusata |
PRAIRIE WEDGE GRASS |
| Spiraea alba |
MEADOW-SWEET |
| 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 |
| Stachys palustris homotricha |
WOUNDWORT |
| Stachys tenuifolia |
SLENDERLEAF BETONY |
| Stachys tenuifolia hispida |
HAIRY HEDGE NETTLE |
| Staphylea trifolia |
BLADDERNUT |
| Stellaria media |
COMMON CHICKWEED |
| Stipa spartea |
NEEDLE GRASS |
| Strophostyles helvola |
WILD BEAN |
| Sullivantia renifolia |
SULLIVANTIA |
| Symphoricarpos occidentalis |
WESTERN SNOWBERRY |
| Symphoricarpos orbiculatus |
BUCKBRUSH |
| Symplocarpus foetidus |
SKUNK CABBAGE |
| Taenidia integerrima |
YELLOW PIMPERNEL |
| Talinum rugospermum |
FLOWER-OF-AN-HOUR |
| Tanacetum vulgare |
COMMON TANSY |
| Taraxacum officinale |
COMMON DANDELION |
| Taxus canadensis |
CANADA YEW |
| Tephrosia virginiana |
GOAT'S RUE |
| Teucrium canadense boreale |
GRAY GERMANDER |
| Teucrium canadense virginicum |
AMERICAN GERMANDER |
| Thalictrum dasycarpum |
PURPLE MEADOW RUE |
| Thalictrum dasycarpum hypoglaucum |
MEADOW RUE |
| Thalictrum dioicum |
EARLY MEADOW RUE |
| Thalictrum revolutum |
WAXY MEADOW RUE |
| Thalictrum thalictroides |
RUE ANEMONE |
| Thaspium trifoliatum |
MEADOW PARSNIP |
| Thelypteris palustris pubescens |
MARSH FERN |
| Thlaspi arvense |
FIELD PENNY CRESS |
| Tilia americana |
AMERICAN LINDEN |
| Tilia americana neglecta |
BASSWOOD |
| Tomanthera auriculata |
AURICULATE FALSE FOXGLOVE |
| Toxicodendron radicans |
POISON IVY |
| Tradescantia ohiensis |
SPIDERWORT |
| Tragopogon dubius |
GOAT'S BEARD |
| Tragopogon porrifolius |
VEGETABLE OYSTER SALSIFY |
| Tragopogon pratensis |
COMMON GOAT'S BEARD |
| Triadenum fraseri |
FRASER'S ST. JOHNS-WORT |
| Trichostema brachiatum |
FALSE PENNYROYAL |
| Trichostema dichotomum |
BLUE CURLS |
| Tridens flavus |
FALSE RED TOP |
| Trientalis borealis |
STAR-FLOWER |
| Trifolium arvense |
RABBIT-FOOT CLOVER |
| Trifolium campestre |
LOW HOP CLOVER |
| Trifolium hybridum |
ALSIKE CLOVER |
| Trifolium pratense |
RED CLOVER |
| Trifolium repens |
WHITE CLOVER |
| Trillium flexipes |
DECLINED TRILLIUM |
| Trillium nivale |
SNOW TRILLIUM |
| Trillium recurvatum |
RED TRILLIUM |
| Triodanis perfoliata |
VENUS' LOOKING-GLASS |
| Triosteum aurantiacum |
EARLY HORSE GENTIAN |
| Triosteum illinoense |
ILLINOIS HORSE GENTIAN |
| Triosteum perfoliatum |
LATE HORSE GENTIAN |
| Triphora trianthophora |
NODDING POGONIA |
| Typha angustifolia |
NARROW-LEAVED CATTAIL |
| Typha latifolia |
CATTAIL |
| Ulmus americana |
AMERICAN ELM |
| Ulmus rubra |
SLIPPERY ELM |
| Urtica dioica |
STINGING NETTLE |
| Utricularia intermedia |
FLAT-LEAVED BLADDERWORT |
| Uvularia grandiflora |
BIG MERRY BELLS |
| Vaccaria pyramidata |
COW HERB |
| Vaccinium angustifolium |
LOW-BUSH BLUEBERRY |
| Vaccinium corymbosum |
HIGH-BUSH BLUEBERRY |
| Vaccinium myrtilloides |
CANADA BLUEBERRY |
| Vaccinium pallidum |
LOW-BUSH BLUEBERRY |
| Vaccinium pallidum |
LOW-BUSH BLUEBERRY |
| Vallisneria americana |
EEL GRASS |
| Verbascum thapsus |
WOOLLY MULLEIN |
| Verbena bracteata |
CREEEPING VERVAIN |
| Verbena hastata |
BLUE VERVAIN |
| Verbena simplex |
NARROW-LEAVED VERVAIN |
| Verbena stricta |
HOARY VERVAIN |
| Verbena urticifolia |
WHITE VERVIAN |
| Verbesina alternifolia |
WING STEM |
| Vernonia fasciculata |
COMMON IRONWEED |
| Vernonia missurica |
MISSOURI IRONWEED |
| Veronica arvensis |
CORN 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 rafinesquianum |
DOWNY ARROWWOOD |
| Viburnum trilobum |
HIGH-BUSH CRANBERRY |
| Vicia americana |
AMERICAN VETCH |
| Vicia cracca |
BIRD VETCH |
| Vicia villosa |
WINTER VETCH |
| Viola fimbriatula |
SAND VIOLET |
| Viola lanceolata |
LANCE-LEAVED VIOLET |
| Viola macloskeyi pallens |
SMOOTH WHITE VIOLET |
| Viola obliqua |
MARSH BLUE VIOLET |
| Viola pedata |
BIRDFOOT VIOLET |
| Viola pedatifida |
PRAIRIE VIOLET |
| Viola pubescens |
DOWNY YELLOW VIOLET |
| Viola pubescens eriocarpa |
SMOOTH YELLOW VIOLET |
| Viola sagittata |
ARROW-LEAVED VIOLET |
| Viola sororia |
WOOLLY BLUE VIOLET |
| Viola striata |
COMMON WHITE 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 |
| Woodsia ilvensis |
RUSTY WOODSIA |
| Woodsia obtusa |
COMMON WOODSIA |
| Xanthium strumarium canadensis |
COCKLE BUR |
| Zannichellia palustris |
COMMON POOLMAT |
| Zanthoxylum americanum |
PRICKLY ASH |
| Zizia aptera |
HEART-LEAVED MEADOW PARSNIP |
| Zizia aurea |
GOLDEN ALEXANDERS |
| Zosterella dubia |
WATER STAR-GRASS |