| Abutilon theophrastii |
BUTTONWEED |
| Acalypha rhomboidea |
THREE-SEEDED MERCURY |
| Acalypha virginica |
THREE-SEEDED MERCURY |
| Acer ginnala |
AMUR MAPLE |
| Acer negundo |
ASH-LEAVED MAPLE |
| Acer nigrum |
BLACK MAPLE |
| Acer platanoides |
NORWAY MAPLE |
| Acer rubrum |
RED MAPLE |
| Acer saccharinum |
RIVER MAPLE |
| Acer saccharum |
HARD MAPLE |
| Achillea millefolium |
COMMON MILFOIL |
| Acorus americanus |
FLAG ROOT |
| Actaea pachypoda |
DOLL'S-EYES |
| Actaea rubra |
RED BANEBERRY |
| Adiantum pedatum |
MAIDENHAIR FERN |
| Aesculus glabra |
OHIO BUCKEYE |
| Aethusa cynapium |
FOOL'S PARSLEY |
| Agalinis gattingeri |
ROUND-STEMMED FALSE FOXGLOVE |
| Agalinis paupercula |
FALSE FOXGLOVE |
| Agalinis purpurea |
FALSE FOXGLOVE |
| Agalinis skinneriana |
PALE FALSE FOXGLOVE |
| Agalinis tenuifolia |
SLENDER FALSE FOXGLOVE |
| Agastache nepetoides |
YELLOW GIANT HYSSOP |
| Agastache scrophulariaefolia |
PURPLE GIANT HYSSOP |
| Agrimonia gryposepala |
TALL AGRIMONY |
| Agrimonia parviflora |
SWAMP AGRIMONY |
| Agrimonia pubescens |
SOFT AGRIMONY |
| Agrimonia rostellata |
WOODLAND AGRIMONY |
| Agrohordeum X macounii |
MACOUN'S WILD RYE |
| Agropyron desertorum |
CRESTED WHEAT GRASS |
| Agropyron repens |
COUCH GRASS |
| Agropyron repens aristatum |
|
| Agropyron smithii |
COLORADO BLUESTEM |
| Agropyron smithii molle |
WESTERN WHEAT GRASS |
| Agropyron trachycaulum |
BEARDED WHEAT GRASS |
| Agropyron trachycaulum unilaterale |
BEARDED WHEAT GRASS |
| Agrostemma githago |
CORN COCKLE |
| Agrostis alba |
RED TOP |
| Agrostis alba palustris |
CREEPING BENT GRASS |
| Agrostis hyemalis |
HAIR GRASS |
| Agrostis perennans |
AUTUMN BENT GRASS |
| Agrostis scabra |
ROUGH BENT GRASS |
| Agrostis scabra tuckermanii |
|
| Ailanthus altissima |
TREE-OF-HEAVEN |
| Ajuga genevensis |
GENEVA BUGLEWEED |
| Alcea rosea |
HOLLYHOCK |
| Aletris farinosa |
COLIC ROOT |
| Alisma plantago aquatica parviflorum |
COMMON WATER PLANTAIN |
| Alisma plantago-aquatica americanam |
AMERICAN WATER PLANTAIN |
| Alliaria petiolata |
GARLIC MUSTARD |
| Allium canadense |
WILD GARLIC |
| Allium cernuum |
NODDING WILD ONION |
| Allium tricoccum |
RAMP |
| Allium vineale |
FIELD GARLIC |
| Alnus glutinosa |
BLACK ALDER |
| Alnus incana rugosa |
SPECKLED ALDER |
| Alopecurus aequalis |
FOXTAIL |
| Alopecurus carolinianus |
ANNUAL FOXTAIL |
| Alopecurus pratensis |
MEADOW FOXTAIL |
| Alyssum alyssoides |
PALE ALYSSUM |
| Amaranthus albus |
TUMBLEWEED |
| Amaranthus cruentus |
LOVE-LIES-BLEEDING |
| Amaranthus graecizans |
PROSTRATE AMARANTH |
| Amaranthus hybridus |
GREEN AMARANTH |
| Amaranthus palmeri |
PALMER'S AMARANTH |
| Amaranthus powellii |
SMOOTH PIGWEED |
| 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 |
| Amelanchier sanguinea |
ROUND-LEAVED SERVICEBERRY |
| Ammannia coccinea |
LONG-LEAVED AMMANNIA |
| Ammophila breviligulata |
BEACH GRASS |
| Amorpha canescens |
LEAD PLANT |
| Amorpha fruticosa |
FALSE INDIGO BUSH |
| Amphicarpa bracteata |
HOG PEANUT |
| Amphicarpa bracteata comosa |
HOG PEANUT |
| Anagallis arvensis |
POOR MAN'S WEATHERGLASS |
| Anaphalis margaritacea |
|
| Andropogon gerardii |
BIG BLUESTEM |
| Andropogon virginicus |
BROOM SEDGE |
| Androsace occidentalis |
ANDROSACE |
| Anemone canadensis |
MEADOW ANEMONE |
| Anemone caroliniana |
CAROLINA ANEMONE |
| Anemone cylindrica |
CANDLE ANEMONE |
| Anemone quinquefolia |
WOOD ANEMONE |
| Anemone virginiana |
TALL ANEMONE |
| Anethum graveolens |
DILL |
| Angelica atropurpurea |
ANGELICA |
| Antennaria neglecta |
CAT'S FOOT |
| Antennaria plantaginifolia |
EVERLASTING |
| Antennaria plantaginifolia ambigens |
EVERLASTING |
| Antennaria plantaginifolia arnoglossa |
EVERLASTING |
| Anthemis cotula |
DOG FENNEL |
| Anthemis tinctoria |
GOLDEN CHAMOMILE |
| Anthoxanthum odoratum |
SWEET VERMAL GRASS |
| Apios americana |
GROUNDNUT |
| Aplectrum hyemale |
ADAM-AND-EVE |
| Apocynum androsaemifolium |
SPREADING DOGBANE |
| Apocynum cannabinum |
DOGBANE |
| Apocynum sibiricum |
INDIAN HEMP |
| Aquilegia canadensis |
COLUMBINE |
| Aquilegia vulgaris |
GARDEN COLUMBINE |
| Arabis canadensis |
SICKLEPOD |
| Arabis drummondii |
DRUMMOND'S ROCK CRESS |
| Arabis glabra |
TOWER MUSTARD |
| Arabis hirsuta adpressipilis |
HAIRY ROCK CRESS |
| Arabis hirsuta pycnocarpa |
HAIRY ROCK CRESS |
| Arabis laevigata |
SMOOTH ROCK CRESS |
| Arabis lyrata |
LYRE-LEAVED ROCK CRESS |
| Arabis shortii |
TOOTHED CRESS |
| Aralia hispida |
BRISTLY SARSAPARILLA |
| Aralia nudicaulis |
WILD SARSAPARILLA |
| Aralia racemosa |
AMERICAN SPIKENARD |
| Arctium lappa |
GREAT BURDOCK |
| Arctium minus |
COMMON BURDOCK |
| Arctium tomentosum |
COTTON BURDOCK |
| Arctostaphylos uva-ursi coactilis |
BEARBERRY |
| 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 |
| Aristida purpurascens |
ARROWFEATHER |
| Aristida tuberculosa |
BEACH THREE AWN GRASS |
| Armoracia aquatica |
LAKE CRESS |
| Armoracia rusticana |
HORSERADISH |
| Aronia melanocarpa |
BLACK CHOKECHERRY |
| Aronia prunifolia |
PURPLE CHOKEBERRY |
| Arrhenatherum elatius |
TALL OAT GRASS |
| Artemisia abrotanum |
GARDEN SAGEBRUSH |
| Artemisia absinthium |
ABSINTH |
| Artemisia annua |
ANNUAL WORMWOOD |
| Artemisia biennis |
BIENNIAL WORMWOOD |
| Artemisia campestris |
BEACH WORMWOOD |
| Artemisia dracunculus |
FALSE TARRAGON |
| Artemisia frigida |
FRINGED SAGEBRUSH |
| Artemisia ludoviciana |
LOUISIANA SAGEBRUSH |
| Artemisia ludoviciana gnaphalodes |
|
| Artemisia vulgaris |
COMMON MUGWORT |
| Asarum canadense reflexum |
CANADA WILD GINGER |
| Asclepias amplexicaulis |
SAND MILKWEED |
| Asclepias exaltata |
POKE MILKWEED |
| Asclepias hirtella |
TALL GREEN MILKWEED |
| Asclepias incarnata |
SWAMP MILKWEED |
| Asclepias meadii |
MEAD'S MILKWEED |
| Asclepias ontarioides |
WOOLLY MILKWEED |
| Asclepias ovalifolia |
OVAL MILKWEED |
| Asclepias purpurascens |
PURPLE MILKWEED |
| Asclepias speciosa |
SHOWY 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 X amethystinus |
AMETHYST ASTER |
| Aster azureus |
AZURE ASTER |
| Aster borealis |
RUSH ASTER |
| Aster brachyactis |
RAYLESS ASTER |
| Aster cordifolius |
BLUEWOOD ASTER |
| Aster drummondii |
DRUMMOND'S ASTER |
| Aster dumosus |
BUSHY ASTER |
| Aster ericoides |
HEATH ASTER |
| Aster ericoides prostratus |
HEATH ASTER |
| Aster firmus |
GLOSSY-LEAF ASTER |
| Aster laevis |
SMOOTH ASTER |
| Aster lateriflorus |
SIDE-FLOWERED ASTER |
| Aster linariifolius |
FLAX-LEAVED ASTER |
| Aster macrophyllus |
BIG-LEAVED ASTER |
| Aster novae-angliae |
NEW ENGLAND ASTER |
| Aster novi-belgii |
NEW BELGIUM ASTER |
| Aster ontarionis |
ONTARIO ASTER |
| Aster parviceps |
ASTER |
| Aster pilosus |
HAIRY ASTER |
| Aster praealtus |
WILLOW-LEAVED ASTER |
| Aster puniceus |
SWAMP ASTER |
| Aster sagittifolius |
ARROW ASTER |
| Aster sericeus |
SILKY ASTER |
| Aster shortii |
SHORT'S ASTER |
| Aster simplex |
PANICLED ASTER |
| Aster umbellatus |
FLATTOP ASTER |
| Astragalus canadensis |
CANADIAN MILK VETCH |
| Astragalus distortus |
BENT MILK VETCH |
| Athyrium angustum |
LADY FERN |
| Athyrium thelypterioides |
SILVERY SPLEENWORT |
| Atriplex argentea |
SILVER ORACH |
| Atriplex patula |
FAT-HEN SALTBUSH |
| Atriplex rosea |
RED ORACHE |
| Aureolaria flava |
SMOOTH FALSE FOXGLOVE |
| Aureolaria grandiflora pulchra |
YELLOW FALSE FOXGLOVE |
| Aureolaria pedicularia ambigens |
CLAMMY FALSE FOXGLOVE |
| Avena fatua |
WILD OATS |
| Avena sativa |
CULTIVATED OATS |
| Azolla mexicana |
MEXICAN AZOLLA |
| Balsamita major |
COSTMARY |
| Baptisia australis |
BLUE WILD INDIGO |
| Baptisia australis minor |
BLUE WILD INDIGO |
| Baptisia lactea |
WHITE WILD INDIGO |
| Baptisia leucophaea |
CREAM WILD INDIGO |
| Baptisia tinctoria crebra |
YELLOW WILD INDIGO |
| Barbarea vulgaris arcuata |
WINTER CRESS |
| Bartonia virginica |
YELLOW BARTONIA |
| Beckmannia syzigachne |
AMERICAN SLOUGH GRASS |
| Belamcanda chinensis |
BLACKBERRY LILLY |
| Berberis thunbergii |
JAPANESE BARBERRY |
| Berberis vulgaris |
COMMON BARBERRY |
| Berteroa incana |
HOARY ALYSSUM |
| Berula erecta |
WATER PARSNIP |
| Betula papyrifera |
CANOE BIRCH |
| Betula populifolia |
GRAY BIRCH |
| Betula pumila |
DWARF BIRCH |
| Bidens aristosa |
SWAMP MARIGOLD |
| Bidens aristosa retrorsa |
|
| Bidens cernua |
NODDING BEGGAR-TICKS |
| Bidens connata |
PURPLESTEM BEGGAR-TICKS |
| Bidens coronata |
BEGGAR-TICKS |
| Bidens frondosa |
COMMON BEGGAR-TICKS |
| Bidens tripartita |
BEGGARTICK |
| Bidens vulgata |
STICKTIGHT |
| Blephilia ciliata |
PAGODA PLANT |
| Blephilia hirsuta |
PAGODA PLANT |
| Boehmeria cylindrica |
FALSE NETTLE |
| Boltonia asteroides |
FALSE ASTER |
| Borago officinalis |
BORAGE |
| Botrychium dissectum obliquum |
BRONZE FERN |
| Botrychium simplex |
DWARF GRAPE FERN |
| Botrychium virginianum |
RATTLESNAKE FERN |
| Bouteloua curtipendula |
MESQUITE GRASS |
| Brachyelytrum erectum |
LONG-AWNED WOOD GRASS |
| Brasenia schreberi |
WATERSHIELD |
| Brassica hirta |
WHITE MUSTARD |
| Brassica juncea |
CHINESE MUSTARD |
| Brassica kaber pinnatifida |
CHARLOCK |
| Brassica nigra |
BLACK MUSTARD |
| Brassica rapa |
BIRD'S RAPE |
| Brickellia eupatorioides |
FALSE BONESET |
| Bromus ciliatus |
CANADA BROME GRASS |
| Bromus commutatus |
HAIRY BROME |
| Bromus hordeaceus |
SOFT CHESS |
| Bromus inermis |
AWNLESS BROME GRASS |
| Bromus japonicus |
JAPANESE BROME |
| Bromus kalmii |
PRAIRIE BROME |
| Bromus marginatus |
BROME GRASS |
| Bromus nottowayanus |
BROME GRASS |
| Bromus pubescens |
CANADA BROME GRASS |
| Bromus purgans |
BROME GRASS |
| Bromus racemosus |
BALD BROME |
| Bromus secalinus |
CHEAT |
| Bromus sterilis |
BROME GRASS |
| Bromus tectorum |
CHEAT GRASS BROME |
| Buchnera americana |
BLUE HEARTS |
| Buglossoides arvense |
CORN GROMWELL |
| Bulbostylis capillaris |
HAIR SEDGE |
| Butomus umbellatus |
FLOWERING RUSH |
| Cacalia atriplicifolia |
PALE INDIAN PLANTAIN |
| Cacalia plantaginea |
PRAIRIE INDIAN PLANTAIN |
| Cakile edentula lacustris |
SEA ROCKET |
| Calamagrostis canadensis |
BLUEJOINT GRASS |
| Calamagrostis inexpansa brevior |
BOG REED GRASS |
| Calamintha arkansana |
LOW CALAMINT |
| Callirhoe triangulata |
POPPY MALLOW |
| Callitriche heterophylla |
LARGE WATER STARWORT |
| Callitriche verna |
COMMON WATER STARWORT |
| Calopogon tuberosus |
GRASS PINK ORCHID |
| Caltha palustris |
COWSLIP |
| Calystegia pubescens |
CALIFORNIA ROSE |
| Calystegia sepium americana |
AMERICAN BINDWEED |
| Calystegia sepium angulata |
HEDGE-BINDWEED |
| Calystegia spithamaea |
DWARF BINDWEED |
| Camassia scilloides |
WILD HYACINTH |
| Camelina sativa |
FALSE FLAX |
| Campanula americana |
AMERICAN BELLFLOWER |
| Campanula aparinoides |
MARSH BELLFLOWER |
| Campanula rapunculoides |
EUROPEAN BELLFLOWER |
| Campanula rotundifolia |
BELLFLOWER |
| Campanula uliginosa |
MARSH BELLFLOWER |
| Campsis radicans |
TRUMPET CREEPER |
| Cannabis sativa |
HASHISH |
| Capsella bursa-pastoris |
SHEPERD'S-PURSE |
| Cardamine bulbosa |
BULB BITTERCRESS |
| Cardamine douglassii |
NORTHERN BITTER CRESS |
| Cardamine hirsuta |
HAIRY BITTER CRESS |
| Cardamine parviflora arenicola |
SMALL-FLOWERED BITTER CRESS |
| Cardamine pensylvanica |
BITTER CRESS |
| Carduus acanthoides |
ACANTHUS BRISTLE THISTLE |
| Carduus nutans |
MUSK BRISTLE THISTLE |
| Carex albolutescens |
SEDGE |
| Carex albursina |
SEDGE |
| Carex alopecoidea |
|
| Carex amphibola |
GRAY SEDGE |
| Carex annectens |
|
| Carex annectens xanthocarpa |
SEDGE |
| Carex artitecta |
SEDGE |
| Carex atherodes |
SEDGE |
| Carex aurea |
GOLDEN SEDGE |
| Carex bebbii |
BEAUTIFUL SEDGE |
| Carex bicknellii |
BICKNELL SEDGE |
| Carex blanda |
WOODLAND SEDGE |
| Carex brevior |
FESCUE SEDGE |
| Carex bromoides |
SEDGE |
| Carex buxbaumii |
BUXBAUM SEDGE |
| Carex cephaloidea |
|
| Carex cephalophora |
|
| Carex comosa |
BRISTLY SEDGE |
| Carex conjuncta |
|
| Carex conoidea |
SEDGE |
| Carex convoluta |
|
| Carex crawei |
SEDGE |
| Carex crinita |
FRINGED SEDGE |
| Carex cristatella |
SEDGE |
| Carex crus-corvi |
SEDGE |
| Carex cryptolepis |
SEDGE |
| Carex davisii |
DAVIS SEDGE |
| Carex diandra |
LESSER PANICLED SEDGE |
| Carex eburnea |
SEDGE |
| Carex festucacea |
SEDGE |
| Carex foenea |
SILVERTOP SEDGE |
| Carex garberi |
GARBER'S SEDGE |
| Carex gracilescens |
SEDGE |
| Carex gracillima |
GRACEFUL SEDGE |
| Carex granularis |
MEADOW SEDGE |
| Carex gravida |
HEAVY SEDGE |
| Carex grayi |
BUR SEDGE |
| Carex grisea |
SEDGE |
| Carex haydenii |
HAYDEN SEDGE |
| Carex hirsutella |
SEDGE |
| Carex hirtifolia |
HAIRY SEDGE |
| Carex hystricina |
BOTTLEBRUSH SEDGE |
| Carex interior |
INLAND SEDGE |
| Carex intumescens |
SWOLLEN SEDGE |
| Carex jamesii |
GRASS SEDGE |
| Carex lacustris |
RIVER SEDGE |
| Carex laeviconica |
SEDGE |
| Carex lanuginosa |
WOOLY SEDGE |
| Carex lasiocarpa |
SEDGE |
| Carex leptalea |
BRISTLE STALKED SEDGE |
| Carex limosa |
MUD SEDGE |
| Carex lupuliformis |
SEDGE |
| Carex lupulina |
HOP SEDGE |
| Carex lurida |
SEDGE |
| Carex meadii |
MEAD SEDGE |
| Carex muhlenbergii |
|
| Carex muskingumensis |
SEDGE |
| Carex normalis |
SEDGE |
| Carex oligocarpa |
SEDGE |
| Carex pensylvanica |
PENNSYLVANIA SEDGE |
| Carex plantaginea |
PLAINTAIN-LEAVED SEDGE |
| Carex praegracilis |
SILVER SEDGE |
| Carex prairea |
|
| Carex retrorsa |
KNOTSHEATH SEDGE |
| Carex richardsonii |
RICHARDSON SEDGE |
| Carex rosea |
|
| Carex sartwellii |
SARTWELL SEDGE |
| Carex scoparia |
BROOM SEDGE |
| Carex shortiana |
SEDGE |
| Carex sparganioides |
|
| Carex sprengelii |
LONG-BEAKED SEDGE |
| Carex squarrosa |
SEDGE |
| Carex sterilis |
SEDGE |
| Carex stipata |
PRICKLY SEDGE |
| Carex stricta |
TUSSOCK SEDGE |
| Carex substricta |
SEDGE |
| Carex swanii |
SAVANNA SEDGE |
| Carex tenera |
SEDGE |
| Carex tetanica |
SEDGE |
| Carex tribuloides |
SEDGE |
| Carex trichocarpa |
SEDGE |
| Carex tuckermanii |
SEDGE |
| Carex umbellata |
SEDGE |
| Carex vesicaria |
BLISTER SEDGE |
| Carex virescens |
SEDGE |
| Carex viridula |
GREEN SEDGE |
| Carex vulpinoidea |
FOX SEDGE |
| Carex woodii |
SEDGE |
| Carpinus caroliniana |
AMERICAN HORNBEAM |
| Carum carvi |
CARAWAY |
| Carya cordiformis |
BITTERNUT HICKORY |
| Carya glabra |
PIGNUT HICKORY |
| Carya ovata |
SCALY-BARK HICKORY |
| Carya tomentosa |
MOCKERNUT HICKORY |
| Cassia fasciculata |
GOLDEN CASSIA |
| Cassia hebecarpa |
WILD SENNA |
| Cassia nictitans |
WILD SENSITIVE PLANT |
| Cassia obtusifolia |
SICKLEPOD |
| Cassia occidentalis |
COFFEE SENNA |
| Castilleja coccinea |
INDIAN PAINTBRUSH |
| Catalpa bignonioides |
COMMON CATALPA |
| Catalpa speciosa |
CIGAR TREE |
| Caulophyllum thalictroides |
BLUE COHOSH |
| Ceanothus americanus |
NEW JERSEY TEA |
| Ceanothus americanus pitcheri |
NEW JERSEY TEA |
| Ceanothus herbaceus |
INLAND NEW JERSEY TEA |
| Celastrus scandens |
BITTERSWEET |
| Celtis occidentalis |
HACKBERRY |
| Celtis occidentalis canina |
HACKBERRY |
| Celtis occidentalis pumila |
SMALL HACKBERRY |
| Cenchrus longispinus |
MAT SANDBUR |
| Centaurea cyanus |
BACHELOR'S BUTTON |
| Centaurea maculosa |
SPOTTED CENTAUREA |
| Centaurea nigra |
BLACK CENTAUREA |
| Centaurium pulchellum |
CENTAURY |
| Cephalanthus occidentalis |
BUTTONBUSH |
| Cerastium arvense |
FIELD CHICKWEED |
| Cerastium glomeratum |
CLAMMY CHICKWEED |
| Cerastium nutans |
NODDING MOUSE-EAR CHICKWEED |
| Cerastium vulgatum |
COMMON MOUSE-EAR CHICKWEED |
| Ceratophyllum demersum |
COONTAIL |
| Cercis canadensis |
EASTERN REDBUD |
| Chaenorrhinum minus |
DWARF SNAPDRAGON |
| Chaerophyllum procumbens |
WILD CHERVIL |
| Chamaedaphne calyculata angustifolia |
LEATHERLEAF |
| Chamaemelum nobilis |
GARDEN CHAMOMILE |
| Chamaesyce glyptosperma |
SPURGE |
| Chamaesyce humistrata |
MILK SPURGE |
| Chamaesyce maculata |
NODDING SPURGE |
| Chamaesyce polygonifolia |
SEASIDE SPURGE |
| Chamaesyce serpyllifolia |
SPURGE |
| Chamaesyce supina |
MILK SPURGE |
| Chelidonium majus |
CELANDINE |
| Chelone glabra |
WHITE TURTLEHEAD |
| Chenopodium album |
LAMB'S QUARTERS |
| Chenopodium ambrosioides |
AMERICAN WORMSEED |
| Chenopodium bonus-henricus |
GOOD KING HENRY |
| Chenopodium botrys |
JERUSALEM-OAK |
| Chenopodium bushianum |
GOOSEFOOT |
| Chenopodium desiccatum leptophylloides |
NARROW-LEAVED GOOSEFOOT |
| Chenopodium gigantospermum |
MAPLE-LEAVED GOOSEFOOT |
| Chenopodium glaucum |
OAK-LEAVED GOOSEFOOT |
| Chenopodium missouriense |
GOOSEFOOT |
| Chenopodium murale |
NETTLE-LEAVED GOOSEFOOT |
| Chenopodium pallescens |
NARROW-LEAVED GOOSEFOOT |
| Chenopodium rubrum |
COAST BLITE |
| Chenopodium standleyanum |
GOOSEFOOT |
| Chenopodium urbicum |
CITY GOOSEFOOT |
| Chimaphila maculata |
SPOTTED WINTERGREEN |
| Chloris verticillata |
WINDMILL GRASS |
| Chorispora tenella |
CHORISPORA |
| Cichorium intybus |
BLUE SAILORS |
| Cicuta bulbifera |
BULBLET WATER HEMLOCK |
| Cicuta maculata |
WATER HEMLOCK |
| Cimicifuga racemosa |
BLACK COHOSH |
| Cinna arundinacea |
STOUTWOOD REED |
| Circaea alpina |
SMALL ENCHANTER'S NIGHTSHADE |
| Circaea lutetiana canadensis |
ENCHANTER'S NIGHTSHADE |
| Cirsium altissimum |
TALL THISTLE |
| Cirsium arvense |
CANADA THISTLE |
| Cirsium discolor |
FIELD THISTLE |
| Cirsium muticum |
FEN THISTLE |
| Cirsium pitcheri |
DUNE THISTLE |
| Cirsium pumilum |
HILL'S THISTLE |
| Cirsium vulgare |
BULL THISTLE |
| Cladium mariscoides |
TWIG RUSH |
| Claytonia virginica |
SPRING BEAUTY |
| Clematis virginiana |
VIRGIN'S BOWER |
| Cleome serrulata |
PINK CLEOME |
| Coeloglossum viride |
BRACTED GREEN ORCHID |
| Collinsia verna |
BLUE-EYED MARY |
| Collomia linearis |
SLENDERLEAF COLLOMIA |
| Comandra umbellata |
BASTARD TOAD-FLAX |
| Commelina communis |
COMMON DAY FLOWER |
| Commelina erecta |
DAY FLOWER |
| Comptonia peregrina |
SWEET FERN |
| Conioselinum chinense |
HEMLOCK PARSLEY |
| Conopholis americana |
CANCER-ROOT |
| Conringia orientalis |
HARE'S-EAR MUSTARD |
| Consolida regalis |
FORKING LARKSPUR |
| Convallaria majalis |
LILY OF THE VALLEY |
| Convolvulus arvensis |
FIELD BINDWEED |
| Conyza canadensis |
HORSEWEED |
| Conyza ramosissima |
DWARF FLEABANE |
| Corallorhiza maculata |
SPOTTED CORAL-ROOT ORCHID |
| Corallorhiza trifida |
EARLY CORAL ROOT |
| Coreopsis grandiflora |
LARGE-FLOWERED COREOPSIS |
| Coreopsis lanceolata |
LANCE COREOPSIS |
| Coreopsis palmata |
PRAIRIE COREOPSIS |
| Coreopsis tinctoria |
GOLDEN COREOPSIS |
| Coreopsis tripteris |
TALL COREOPSIS |
| Corispermum hyssopifolium |
COMMON BUGSEED |
| Cornus alternifolia |
ALTERNATE-LEAVED DOGWOOD |
| Cornus canadensis |
BUNCHBERRY |
| Cornus obliqua |
PALE DOGWOOD |
| Cornus racemosa |
GRAY DOGWOOD |
| Cornus rugosa |
ROUND-LEAVED DOGWOOD |
| Cornus stolonifera |
RED OSIER DOGWOOD |
| Cornus stolonifera baileyi |
BAILEY'S DOGWOOD |
| Coronilla varia |
CROWN VETCH |
| Coronopus didymus |
WART CRESS |
| Corydalis aurea |
GOLDEN CORYDALIS |
| Corydalis aurea occidentalis |
CORYDALIS |
| Corydalis flavula |
PALE CORYDALIS |
| Corydalis sempervirens |
PINK CORYDALIS |
| Corylus americana |
AMERICAN FILBERT |
| Crataegus calpodendron |
URN-SHAPED HAWTHORN |
| Crataegus crus-galli |
COCK-SPUR THORN |
| Crataegus holmesiana |
HAWTHORN |
| Crataegus lucorum |
HAWTHORN |
| Crataegus macrosperma |
HAWTHORN |
| Crataegus margaretta |
HAWTHORN |
| Crataegus mollis |
RED HAW |
| Crataegus monogyna |
ENGLISH HAWTHORN |
| Crataegus pedicellata |
HAWTHORN |
| Crataegus pruinosa |
HAWTHORN |
| Crataegus punctata |
DOTTED THORN |
| Crataegus succulenta |
HAWTHORN |
| Crataegus tortilis |
HAWTHORN |
| Crepis capillaris |
HAWK'S BEARD |
| Crotalaria sagittalis |
RATTLEBOX |
| Croton capitatus |
CAPITATE CROTON |
| Croton glandulosus septentrionalis |
SAND CROTON |
| Croton monanthogynus |
CROTON |
| Crypsis schoenoides |
|
| Cryptogramma stelleri |
SLENDER CLIFFBRAKE |
| Cryptotaenia canadensis |
HONEWORT |
| Cucurbita foetidissima |
MISSOURI GOURD |
| Cuphea viscosissima |
BLUE WAXWEED |
| Cuscuta campestris |
DODDER |
| Cuscuta cephalanthi |
BUTTONBUSH DODDER |
| Cuscuta coryli |
HAZEL DODDER |
| Cuscuta glomerata |
DODDER |
| Cuscuta gronovii |
DODDER |
| Cuscuta pentagona |
DODDER |
| Cycloloma atriplicifolium |
TUMBLE RINGWING |
| Cymbalaria muralis |
KENILWORTH IVY |
| Cynanchum nigrum |
BLACK SWALLOW-WORT |
| Cynodon dactylon |
BAHAMA GRASS |
| Cynoglossum officinale |
COMMON HOUND'S TONGUE |
| Cyperus acuminatus |
TAPERLEAF FLAT SEDGE |
| Cyperus aristatus |
BEARDED FLAT SEDGE |
| Cyperus diandrus |
LOW FLAT SEDGE |
| Cyperus engelmanii |
|
| Cyperus erythrorhizos |
RED-ROOTED SEDGE |
| Cyperus esculentus |
CHUFA |
| Cyperus ferruginescens |
SLENDER FLATSEDGE |
| Cyperus filiculmis |
FERN FLATSEDGE |
| Cyperus filiculmis macilentus |
|
| Cyperus houghtonii |
|
| Cyperus rivularis |
BROOK FLAT SEDGE |
| Cyperus schweinitzii |
SCHWEINITZ FLATSEDGE |
| Cyperus strigosus |
STRAW COLORED FLATSEDGE |
| Cypripedium X andrewsii |
LADY'S-SLIPPERS ORCHID |
| Cypripedium X favillianum |
|
| Cypripedium acaule |
LADY'S-SLIPPER ORCHID |
| Cypripedium candidum |
WHITE 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 tennesseensis |
TENNESSEE FRAGILE FERN |
| Cystopteris bulbifera |
BERRY BLADDER FERN |
| Cystopteris protrusa |
FRAGILE FERN |
| Dactylis glomerata |
ORCHARD GRASS |
| Dalea candida |
WHITE PRAIRIE CLOVER |
| Dalea leporina |
FOXTAIL DALEA |
| Dalea purpurea |
PURPLE PRAIRIE CLOVER |
| Danthonia spicata |
CURLY GRASS |
| Dasistoma macrophylla |
MULLEIN FOXGLOVE |
| Datura innoxia |
ANGEL'S TRUMPET |
| Datura stramonium |
JIMSONWEED |
| Daucus carota |
QUEEN-ANNE'S-LACE |
| Decodon verticillatus |
SWAMP LOOSESTRIFE |
| Delphinium tricorne |
DWARF LARKSPUR |
| Dentaria laciniata |
PEPPER-ROOT |
| Deschampsia cespitosa glauca |
|
| Descurainia pinnata brachycarpa |
TANSY MUSTARD |
| Descurainia sophia |
FLIXWEED |
| Desmanthus illinoensis |
ILLINOIS BUNDLEFLOWER |
| Desmodium canadense |
SHOWY TICK TREFOIL |
| Desmodium cuspidatum |
TICK TREFOIL |
| Desmodium glabellum |
TICK TREFOIL |
| Desmodium glutinosum |
BEGGAR'S LICE |
| Desmodium illinoense |
ILLINOIS TICK TREFOIL |
| Desmodium paniculatum |
PANICLED TICK TREFOIL |
| Desmodium sessilifolium |
SESSILE-LEAVED TICKTREFOIL |
| Dianthus armeria |
DEPTFORD PINK |
| Dicentra canadensis |
SQUIRREL-CORN |
| Dicentra cucullaria |
DUTCHMAN'S-BREECHES |
| Dichanthelium acuminatum fasciculatum |
PANIC GRASS |
| Dichanthelium acuminatum lindheimeri |
PANIC GRASS |
| Dichanthelium boreale |
NORTHERN PANIC GRASS |
| Dichanthelium clandestinum |
BROAD-LEAVED PANIC GRASS |
| Dichanthelium depauperatum |
STARVED PANIC GRASS |
| Dichanthelium dichotomum |
FORKED PANIC GRASS |
| Dichanthelium latifolium |
|
| Dichanthelium leibergii |
|
| Dichanthelium linearifolium |
SLENDER-LEAVED PANIC GRASS |
| 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 praecocius |
|
| Dichanthelium villosissimum pseudopubesc |
|
| Didiplis diandra |
WATER PURSLANE |
| Diervilla lonicera |
BUSH HONEYSUCKLE |
| Digitaria filiformis |
FINGER GRASS |
| Digitaria ischaemum |
SMOOTH CRAB GRASS |
| Digitaria sanguinalis |
HAIRY CRAB GRASS |
| Diodia teres |
POORJOE |
| Dioscorea villosa |
WILD YAM |
| Diplotaxis muralis |
WALL ROCKET |
| Diplotaxis tenuifolia |
SAND ROCKET |
| Dipsacus laciniatus |
CUT-LEAVED TEASEL |
| Dipsacus sylvestris |
COMMON TEASEL |
| Dirca palustris |
LEATHERWOOD |
| Distichlis stricta |
INLAND SALT GRASS |
| Dodecatheon meadia |
SHOOTING STAR |
| Draba reptans |
WHITLOW GRASS |
| Draba reptans stellifera |
SMALL WHITLOW GRASS |
| Dracopsis amplexicaulis |
ANNUAL BLACK-EYED SUSAN |
| Drosera intermedia |
NARROW-LEAVED SUNDEW |
| Drosera rotundifolia |
ROUND-LEAVED SUNDEW |
| Dryopteris carthusiana |
SPINULOSE WOODFERN |
| Dryopteris cristata |
CRESTED FERN |
| Dryopteris filix-mas |
MALE FERN |
| Dryopteris intermedia |
COMMON WOODFERN |
| Dryopteris marginalis |
LEATHER FERN |
| Dulichium arundinaceum |
POND SEDGE |
| Dyssodia papposa |
FETID MARIGOLD |
| Echinacea pallida |
PALE PURPLE CONEFLOWER |
| Echinacea purpurea |
BROAD-LEAVED PURPLE CONEFLOWER |
| Echinochloa colona |
JUNGLE RICE |
| Echinochloa crus-galli |
BARNYARD GRASS |
| Echinochloa muricata |
BARNYARD GRASS |
| Echinochloa muricata wiegandii |
BARNYARD GRASS |
| Echinochloa walteri |
SALT-MARSH COCKSPUR GRASS |
| Echinocystis lobata |
WILD BALSAM-APPLE |
| Echinops sphaerocephalus |
GLOBE THISTLE |
| Echium vulgare |
BLUEWEED |
| Eclipta prostrata |
YERBA DE TAJO |
| Eleocharis acicularis |
NEEDLE SPIKE RUSH |
| Eleocharis elliptica |
SPIKE RUSH |
| Eleocharis elliptica compressa |
FLAT-STEMMED SPIKE RUSH |
| Eleocharis equisetoides |
HORSETAIL SPIKERUSH |
| Eleocharis erythropoda |
|
| Eleocharis geniculata |
SPIKE RUSH |
| Eleocharis intermedia |
MATTED SPIKE RUSH |
| Eleocharis obtusa |
|
| Eleocharis obtusa detonsa |
SPIKE RUSH |
| Eleocharis obtusa ovata |
SPIKE RUSH |
| Eleocharis olivacea |
SPIKERUSH |
| Eleocharis palustris |
|
| Eleocharis pauciflora |
FEW-FLOWERED SPIKESEDGE |
| Eleocharis quadrangulata |
SQUARE-STEMMED SPIKE RUSH |
| Eleocharis rostellata |
BEAKED SPIKESEDGE |
| Eleocharis verrucosa |
SLENDER SPIKE RUSH |
| Eleusine indica |
GOOSE GRASS |
| Ellisia nyctelea |
AUNT LUCY |
| Elodea canadensis |
ANACHARIS |
| Elodea nuttallii |
ELODEA |
| Elymus arenarius |
LYME GRASS |
| Elymus canadensis |
CANADA WILD RYE |
| Elymus hystrix |
BOTTLEBRUSH GRASS |
| Elymus riparius |
RIVERBANK WILD RYE |
| Elymus villosus |
HAIRY WILD RYE |
| Elymus virginicus |
LYME GRASS |
| Epilobium angustifolium |
FIREWEED |
| Epilobium ciliatum |
NORTHERN WILLOW HERB |
| Epilobium coloratum |
CINNAMON WILLOW HERB |
| Epilobium hirsutum |
HAIRY WILLOW HERB |
| Epilobium leptophyllum |
BOG WILLOW HERB |
| Epipactis helleborine |
HELLEBORINE |
| Equisetum X ferrissii |
INTERMEDIATE SCOURING RUSH |
| Equisetum X nelsonii |
NELSON'S HORSETAIL |
| Equisetum X trachyodon |
HORSETAIL |
| Equisetum arvense |
COMMON HORSETAIL |
| Equisetum fluviatile |
WATER HORSETAIL |
| Equisetum hyemale affine |
SCOURING RUSH |
| Equisetum laevigatum |
SMOOTH SCOURING RUSH |
| Equisetum variegatum |
VARIEGATED HORSETAIL |
| 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 |
| 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 |
| Eriochloa villosa |
CUP GRASS |
| Eriophila verna |
MOUSE-EARED WHITLOW GRASS |
| Eriophorum angustifolium |
COTTON SEDGE |
| Erodium cicutarium |
ALFILERIA |
| Erucastrum gallicum |
DOG MUSTARD |
| Eryngium yuccifolium |
RATTLESNAKE MASTER |
| Erysimum cheiranthoides |
WORMSEED MUSTARD |
| Erysimum inconspicuum |
SMALL WORMSEED MUSTARD |
| Erythronium albidum |
WHITE ADDER'S TONGUE |
| Erythronium americanum |
YELLOW ADDER'S TONGUE |
| Euonymus alatus |
BURNING BUSH |
| Euonymus atropurpureus |
BURNING BUSH |
| Euonymus europaeus |
EUROPEAN SPINDLE-TREE |
| Euonymus obovatus |
RUNNING STRAWBERRY BUSH |
| Eupatorium altissimum |
TALL BONESET |
| Eupatorium coelestinum |
BLUE BONSET |
| Eupatorium fistulosum |
HOLLOW JOE-PYE WEED |
| 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 commutata |
WOOD SPURGE |
| Euphorbia corollata |
FLOWERING SPURGE |
| Euphorbia cyparissias |
CYPRESS SPURGE |
| Euphorbia esula |
LEAFY SPURGE |
| Euphorbia marginata |
SNOW-ON-THE-MOUNTAIN |
| Euphorbia obtusata |
BLUNT-LEAVED SPURGE |
| Euthamia graminifolia |
GRASSLEAF GOLDENROD |
| Euthamia gymnospermoides |
GRASSLEAF GOLDENROD |
| Euthamia tenuifolia |
GRASS-LEAVED GOLDENROD |
| Fagopyrum esculentum |
BUCKWHEAT |
| Fagus grandifolia caroliniana |
AMERICAN BEECH |
| Festuca duriuscula |
SHEEP FESCUE |
| Festuca obtusa |
NODDING FESCUE |
| Festuca pratensis |
ENGLISH BLUEGRASS |
| Festuca rubra |
RED FESCUE |
| Festuca tenuifolia |
SLENDER FESCUE |
| Filipendula rubra |
QUEEN OF THE PRAIRIE |
| Filipendula ulmaria |
QUEEN OF THE MEADOW |
| Fimbristylis autumnalis |
AUTUMN SEDGE |
| Fimbristylis puberula drummondii |
CHESTNUT SEDGE |
| Floerkea proserpinacoides |
FALSE MERMAID |
| Fragaria americana |
HILLSIDE STRAWBERRY |
| Fragaria virginiana |
WILD STRAWBERRY |
| Frasera caroliniensis |
AMERICAN COLUMBO |
| Fraxinus americana |
WHITE ASH |
| Fraxinus nigra |
BLACK ASH |
| Fraxinus pennsylvanica |
GREEN ASH |
| Fraxinus quadrangulata |
BLUE ASH |
| Froelichia floridana campestris |
COTTONWEED |
| Froelichia gracilis |
COTTONWEED |
| Fumaria officinalis |
FUMITORY |
| Gaillardia pulchella |
FIREWHEELS |
| Galearis spectabilis |
SHOWY ORCHIS |
| Galeopsis ladanum |
RED HEMP NETTLE |
| Galeopsis tetrahit |
COMMON HEMP NETTLE |
| Galinsoga parviflora |
LITTLE FLOWER QUICKWEED |
| Galinsoga quadriradiata |
PERUVIAN DAISY |
| Galium aparine |
ANNUAL BEDSTRAW |
| Galium asprellum |
ROUGH BEDSTRAW |
| Galium boreale |
NORTHERN BEDSTRAW |
| Galium circaezans |
WILD LICORICE |
| Galium concinnum |
SHINING BEDSTRAW |
| Galium lanceolatum |
WILD LICORICE |
| Galium mollugo |
WHITE BEDSTRAW |
| Galium obtusum |
WILD MADDER |
| Galium pilosum |
HAIRY BEDSTRAW |
| Galium tinctorium |
STIFF BEDSTRAW |
| Galium trifidum |
SMALL BEDSTRAW |
| Galium triflorum |
SWEET-SCENTED BEDSTRAW |
| Gaultheria procumbens |
CHECKERBERRY |
| Gaura biennis |
BUTTERFLY-WEED |
| Gaura parviflora |
SMALL-FLOWERED GAURA |
| Gaylussacia baccata |
BLACK HUCKLEBERRY |
| Gentiana alba |
PALE GENTIAN |
| Gentiana andrewsii |
CLOSED GENTIAN |
| Gentiana puberulenta |
DOWNY GENTIAN |
| Gentiana saponaria |
SOAPWORT GENTIAN |
| Gentiana septemfida |
|
| Gentianella quinquefolia occidentalis |
STIFF GENTIAN |
| Gentianopsis crinita |
FRINGED GENTIAN |
| Gentianopsis procera |
SMALL FRINGED GENTIAN |
| Geranium bicknellii |
BICKNELL GERANIUM |
| Geranium carolinianum |
WILD CRANESBILL |
| Geranium maculatum |
WILD GERANIUM |
| Geranium pusillum |
SMALL CRANESBILL |
| Geranium robertianum |
HERB ROBERT |
| Geum aleppicum |
YELLOW AVENS |
| Geum canadense |
WHITE AVENS |
| Geum laciniatum |
ROUGH AVENS |
| Geum triflorum |
PRAIRIE AVENS |
| Geum vernum |
SPRING AVENS |
| Glandularia canadensis |
ROSE VERBENA |
| Glechoma hederacea micrantha |
GROUND IVY |
| Gleditsia triacanthos |
HONEY LOCUST |
| Glyceria borealis |
NORTHERN MANNA GRASS |
| Glyceria canadensis |
RATTLESNAKE MANNA GRASS |
| Glyceria septentrionalis |
FLOATING MANNA GRASS |
| Glyceria striata |
FOWL MANNA GRASS |
| Glyceria striata stricta |
FOWL MANNA GRASS |
| Glycine max |
SOYBEAN |
| Glycyrrhiza lepidota |
WILD LICORICE |
| Gnaphalium obtusifolium |
CATFOOT |
| Gnaphalium uliginosum |
LOW CUDWEED |
| Goodyera pubescens |
RATTLESNAKE PLANTAIN |
| Gossypium hirsutum |
COTTON |
| Gratiola aurea |
GOLDENPERT |
| Gratiola neglecta |
CLAMMY HEDGE HYSSOP |
| Gratiola virginiana |
ROUND-FRUITED HEDGE HYSSOP |
| Grindelia squarrosa |
CURLYCUP GUMWEED |
| Gymnocladus dioicus |
KENTUCKY COFFEETREE |
| Gypsophila paniculata |
BABY'S BREATH |
| Gypsophila scorzonerifolia |
BABY'S BREATH |
| Hackelia virginiana |
STICKSEED |
| Hamamelis virginiana |
WITCH-HAZEL |
| Hedeoma hispida |
ROUGH PENNYROYAL |
| Hedeoma pulegioides |
AMERICAN PENNYROYAL |
| Hedyotis caerulea |
BLUETS |
| Helenium autumnale |
AUTUMN SNEEZEWEED |
| Helenium flexuosum |
PURPLE-HEADED SNEEZEWEED |
| Helianthemum bicknellii |
FROSTWEED |
| Helianthemum canadense |
COMMON ROCKROSE |
| Helianthus X luxurians |
SUNFLOWER |
| Helianthus annuus |
COMMON SUNFLOWER |
| Helianthus decapetalus |
PALE SUNFLOWER |
| Helianthus divaricatus |
DIVERGENT SUNFLOWER |
| Helianthus giganteus |
GIANT 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 salicifolius |
WILLOW-LEAVED SUNFLOWER |
| Helianthus strumosus |
PALE-LEAVED SUNFLOWER |
| Helianthus tuberosus |
JERUSALEM ARTICHOKE |
| Helianthus tuberosus subcanescens |
JERUSALEM ARTICHOKE |
| Heliopsis helianthoides |
FALSE SUNFLOWER |
| Heliotropium europaeum |
EUROPEAN HELIOTROPE |
| Hemerocallis fulva |
DAY LILY |
| Hemerocallis lilio-asphodelus |
LEMON DAY LILY |
| Hepatica nobilis acuta |
SHARP-LOBED HEPATICA |
| Hepatica nobilis obtusa |
ROUND-LEAVED HEPATICA |
| Heracleum lanatum |
COW PARSNIP |
| Hesperis matronalis |
DAME'S ROCKET |
| Heterotheca camporum |
GOLDEN ASTER |
| Heuchera richardsonii grayana |
PRAIRIE ALUMROOT |
| Hibiscus laevis |
HALBERD-LEAVED ROSE MALLOW |
| Hibiscus moscheutos |
SWAMP ROSE MALLOW |
| Hibiscus trionum |
FLOWER-OF-AN-HOUR |
| Hieracium caespitosum |
KING DEVIL |
| Hieracium canadense |
CANADA HAWKWEED |
| Hieracium gronovii |
HAIRY HAWKWEED |
| Hieracium longipilum |
HAIRY HAWKWEED |
| Hieracium scabrum |
HAIRY HAWKWEED |
| Hierochloe odorata |
SWEET GRASS |
| Holcus lanatus |
VELVET GRASS |
| Hordeum brachyantherum |
MEADOW BARLEY |
| Hordeum jubatum |
FOX-TAIL BARLEY |
| Hordeum pusillum |
LITTLE BARLEY |
| Hordeum vulgare |
COMMON BARLEY |
| Hosackia americana |
DEER VETCH |
| Hosta lancifolia |
PLANTAIN LILY |
| 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 boreale |
NORTHERN ST. JOHN'S WORT |
| Hypericum canadense |
CANADIAN ST. JOHNS-WORT |
| Hypericum gentianoides |
PINEWEED |
| Hypericum gymnanthum |
SMALL ST. JOHNS-WORT |
| Hypericum kalmianum |
KALM'S ST. JOHN'S WORT |
| Hypericum majus |
ST. JOHNS-WORT |
| 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 pyramidatum |
GIANT ST. JOHNS-WORT |
| Hypericum sphaerocarpum |
ROUND-FRUITED ST. JOHNS-WORT |
| Hypochaeris radicata |
SPOTTED CAT'S-EAR |
| Hypoxis hirsuta |
COMMON GOLDSTARGRASS |
| Ilex verticillata |
WINTERBERRY |
| Impatiens capensis |
JEWELWEED |
| Impatiens pallida |
PALE TOUCH-ME-NOT |
| Inula helenium |
ELECAMPANE |
| Iodanthus pinnatifidus |
PURPLE ROCKET |
| Ipomoea coccinea |
RED MORNING-GLORY |
| Ipomoea hederacea |
IVY-LEAVED MORNING GLORY |
| Ipomoea pandurata |
WILD SWEET POTATO VINE |
| Ipomoea purpurea |
COMMON MORNING-GLORY |
| Iris pseudacorus |
WATER FLAG |
| Iris shrevei |
SOUTHERN BLUE FLAG |
| Isatis tinctoria |
DYER'S WOAD |
| Isoetes melanopoda |
BLACK QUILLWORT |
| Isopyrum biternatum |
FALSE RUE ANEMONE |
| Iva xanthifolia |
RAG SUMPWEED |
| Jeffersonia diphylla |
TWINLEAF |
| Juglans cinerea |
BUTTERNUT |
| Juglans nigra |
BLACK WALNUT |
| Juncus acuminatus |
KNOTTY-LEAVED RUSH |
| Juncus alpinus rariflorus |
RICHARDSON'S RUSH |
| Juncus balticus littoralis |
BALTIC RUSH |
| Juncus biflorus |
TWO-FLOWERED RUSH |
| Juncus brachycarpus |
RUSH |
| Juncus brachycephalus |
SHORT-HEADED RUSH |
| Juncus bufonius |
TOAD RUSH |
| Juncus canadensis |
CANADIAN RUSH |
| Juncus dudleyi |
DUDLEY RUSH |
| Juncus effusus solutus |
COMMON RUSH |
| Juncus gerardii |
BLACK GRASS |
| Juncus greenei |
RUSH |
| Juncus interior |
INLAND RUSH |
| Juncus marginatus |
GRASS-LEAVED RUSH |
| Juncus nodosus |
JOINTED RUSH |
| Juncus tenuis |
PATH RUSH |
| Juncus torreyi |
TORREY RUSH |
| Juncus vaseyi |
VASEY'S RUSH |
| Juniperus communis depressa |
COMMON JUNIPER |
| Juniperus horizontalis |
TRAILING JUNIPER |
| Juniperus virginiana |
EASTERN RED CEDAR |
| Justicia americana |
WATER WILLOW |
| Kallstroemia parviflora |
KALLSTROEMIA |
| Kochia scoparia |
BELVEDERE SUMMER CYPRESS |
| Koeleria macrantha |
CRESTED HAIR GRASS |
| Krigia biflora |
FALSE DANDELOIN |
| Krigia virginica |
DWARF DANDELION |
| Lactuca biennis |
BIENNIAL LETTUCE |
| Lactuca canadensis |
CANADA LETTUCE |
| Lactuca floridana |
BLUE LETTUCE |
| Lactuca ludoviciana |
PRAIRIE LETTUCE |
| Lactuca serriola |
COMPASS PLANT |
| Lactuca tatarica |
BLUE LETTUCE |
| Lamium amplexicaule |
HENBIT |
| Lamium maculatum |
SPOTTED DEAD NETTLE |
| Lamium purpureum |
PURPLE DEAD NETTLE |
| Laportea canadensis |
CANADA WOOD NETTLE |
| Lappula echinata |
BEGGAR'S LICE |
| Lapsana communis |
COMMON NIPPLEWORT |
| Larix decidua |
EUROPEAN LARCH |
| Larix laricina |
AMERICAN LARCH |
| Lathyrus japonicus glaber |
BEACH PEA |
| Lathyrus ochroleucus |
CREAM PEAVINE |
| Lathyrus palustris |
MARSH PEAVINE |
| Lathyrus palustris myrtifolius |
VETCHLING |
| Lathyrus venosus intonsus |
VEINY PEA |
| Lechea intermedia |
PINWEED |
| Lechea minor |
PINWEED |
| Lechea pulchella |
PINWEED |
| Lechea stricta |
PINWEED |
| Lechea tenuifolia |
NARROW-LEAVED PINWEED |
| Lechea villosa |
HAIRY PINWEED |
| Leersia oryzoides |
RICE CUTGRASS |
| Leersia virginica |
WHITE GRASS |
| Lemna minor |
COMMON DUCKWEED |
| Lemna perpusilla |
LEAST DUCKWEED |
| Lemna trinervis |
DUCKWEED |
| Lemna trisulca |
IVY-LEAVED DUCKWEED |
| Leontodon taraxicoides |
HAWKBIT |
| Leonurus cardiaca |
MOTHERWORT |
| Leonurus marrubiastrum |
LION'S-TAIL |
| Lepidium campestre |
FIELD CRESS |
| Lepidium densiflorum |
PEPPERGRASS |
| Lepidium perfoliatum |
CLASPING CRESS |
| Lepidium sativum |
GARDEN CRESS |
| Lepidium virginicum |
COMMON PEPPERGRASS |
| Leptochloa acuminata |
SALT MEADOW GRASS |
| Leptochloa fascicularis |
BEARDED SPRANGLE TOP |
| Leptoloma cognatum |
FALL WITCH GRASS |
| Lespedeza capitata |
BUSH CLOVER |
| Lespedeza hirta |
HAIRY BUSH CLOVER |
| Lespedeza leptostachya |
PRAIRIE BUSH CLOVER |
| Lespedeza violacea |
VIOLET BUSH CLOVER |
| Lespedeza virginica |
SLENDER BUSH CLOVER |
| Lesquerella gracilis |
SLENDER BLADDER POD |
| 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 |
| Liatris spicata |
BUTTON SNAKEROOT |
| Ligustrum vulgare |
PRIVET |
| Lilium michiganense |
MICHIGAN LILY |
| Lilium philadelphicum andinum |
WOOD LILY |
| Linaria canadensis |
BLUE TOADFLAX |
| Linaria vulgaris |
BUTTER-AND-EGGS |
| Lindera benzoin |
FEVERBUSH |
| Lindernia dubia |
FALSE PIMPERNEL |
| Lindernia dubia anagallidea |
SLENDER FALSE PIMPERNEL |
| Linnaea borealis americana |
TWINFLOWER |
| Linum medium texanum |
SMALL YELLOW FLAX |
| Linum sulcatum |
GROOVED YELLOW FLAX |
| Linum usitatissimum |
COMMON FLAX |
| Linum virginianum |
SLENDER YELLOW FLAX |
| Liparis liliifolia |
LARGE TWAYBLADE |
| Liparis loeselii |
GREEN TWAYBLADE |
| Lithospermum canescens |
HOARY PUCCOON |
| Lithospermum caroliniense |
HAIRY PUCCOON |
| Lithospermum incisum |
YELLOW PUCCOON |
| Lithospermum latifolium |
AMERICAN GROMWELL |
| Lobelia cardinalis |
CARDINAL-FLOWER |
| Lobelia inflata |
INDIAN TOBACCO |
| Lobelia kalmii |
BOG LOBELIA |
| Lobelia siphilitica |
BLUE CARDINAL-FLOWER |
| Lobelia spicata |
SPIKED LOBELIA |
| Lobelia spicata leptostachys |
SPIKED LOBELIA |
| Lobularia maritima |
SWEET ALYSSUM |
| Lolium multiflorum |
ITALIAN RYE GRASS |
| Lolium perenne |
CRESTED RYE GRASS |
| Lonicera X bella |
HONEYSUCKLE |
| Lonicera X muendeniensis |
BUSH HONEYSUCKLE |
| Lonicera dioica |
LIMBER HONEYSUCKLE |
| Lonicera japonica |
JAPANESE HONEYSUCKLE |
| Lonicera maackii |
AMUR HONEYSUCKLE |
| Lonicera morrowi |
MORROW'S HONEYSUCKLE |
| Lonicera prolifera |
GRAPE HONEYSUCKLE |
| Lonicera tatarica |
TARTARIAN HONEYSUCKLE |
| Lonicera xylosteum |
EUROPEAN FLY HONEYSUCKLE |
| Lotus corniculatus |
BIRDSFOOT-TREFOIL |
| Ludwigia alternifolia |
SEEDBOX |
| Ludwigia palustris americana |
MARSH PURSLANE |
| Ludwigia peploides glabrescens |
CREEPING PRIMROSE WILLOW |
| Ludwigia polycarpa |
FALSE LOOSESTRIFE |
| Lupinus perennis |
WILD LUPINE |
| Luzula multiflora |
COMMON WOODRUSH |
| Lychnis alba |
EVENING CAMPION |
| Lychnis coronaria |
MULLEIN PINK |
| Lycium barbarum |
COMMON MATRIMONY VINE |
| Lycopersicum esculentum |
TOMATO |
| Lycopodium X habereri |
GROUND PINE |
| Lycopodium dendroideum |
GROUND PINE |
| Lycopodium digitatum |
GROUND PINE |
| Lycopodium inundatum |
BOG CLUBMOSS |
| Lycopodium lucidulum |
SHINING CLUBMOSS |
| Lycopus americanus |
COMMON WATER HOREHOUND |
| Lycopus asper |
ROUGH WATER HOREHOUND |
| Lycopus rubellus |
STALKED WATER HOREHOUND |
| Lycopus uniflorus |
NOTHERN BUGLE WEED |
| Lycopus virginicus |
BUGLE WEED |
| Lysimachia X commixta |
LOOSESTRIFE |
| Lysimachia ciliata |
FRINGED LOOSESTRIFE |
| Lysimachia lanceolata |
LANCE-LEAVED LOOSESTRIFE |
| Lysimachia nummularia |
MONEYWORT |
| Lysimachia punctata |
DOTTED LOOSESTRIFE |
| Lysimachia quadriflora |
NARROW-LEAVED LOOSESTRIFE |
| Lysimachia quadrifolia |
WHORLED LOOSESTRIFE |
| Lysimachia terrestris |
SWAMP CANDLES |
| Lysimachia thyrsiflora |
TUFTED LOOSESTRIFE |
| Lysimachia vulgaris |
GARDEN LOOSESTRIFE |
| Lysimachia vulgaris |
GARDEN LOOSESTRIFE |
| Lythrum alatum |
WINGED LOOSESTRIFE |
| Lythrum salicaria |
PURPLE LOOSESTRIFE |
| Macleaya cordata |
PLUME POPPY |
| Maclura pomifera |
HEDGE APPLE |
| Maianthemum canadense |
CANADA MAYFLOWER |
| Maianthemum canadense interius |
FALSE LILY OF THE VALLEY |
| Malus X soulardii |
SOULARD CRAB APPLE |
| Malus ioensis |
IOWA CRAB APPLE |
| Malus pumila |
APPLE |
| Malva moschata |
MUSK MALLOW |
| Malva neglecta |
CHEESES |
| Malva sylvestris |
HIGH MALLOW |
| Marrubium vulgare |
COMMON HOREHOUND |
| Matricaria matricarioides |
PINEAPPLE WEED |
| Mazus pumilus |
|
| Medeola virginiana |
INDIAN CUCUMBER ROOT |
| Medicago lupulina |
BLACK MEDIC |
| Medicago sativa |
ALFALFA |
| Megalodonta beckii |
WATER MARIGOLD |
| Melampyrum lineare latifolium |
COW WHEAT |
| Melica mutica |
TW0-FLOWERED MELIC GRASS |
| Melica nitens |
THREE-FLOWERED MELIC GRASS |
| Melilotus alba |
WHITE SWEET CLOVER |
| Melilotus officinalis |
YELLOW SWEET CLOVER |
| Menispermum canadense |
MOONSEED |
| Mentha X piperita |
PEPPERMINT |
| Mentha X villosa |
FOXTAIL MINT |
| Mentha arvensis villosa |
FIELD MINT |
| Mentha crispa |
CURLY MINT |
| Mentha spicata |
SPEARMINT |
| Mentzelia nuda |
LARGE-FLOWERED MENTZELIA |
| Menyanthes trifoliata minor |
BUCKBEAN |
| Mertensia virginica |
BLUEBELLS |
| Milium effusum |
MILLET GRASS |
| Mimulus alatus |
WINGED MONKEY FLOWER |
| Mimulus ringens |
MONKEY FLOWER |
| Minuartia groenlandica |
|
| Minuartia patula |
SLENDER SANDWORT |
| Minuartia stricta |
ROCK SANDWORT |
| Mirabilis albida |
PALE UMBRELLA-WORT |
| Mirabilis hirsuta |
HAIRY UMBRELLA-WORT |
| Mirabilis linearis |
NARROW-LEAVED UMBRELLA-WORT |
| Mirabilis nyctaginea |
WILD FOUR-O'CLOCK |
| Mitchella repens |
PARTRIDGE-BERRY |
| Mitella diphylla |
BISHOP'S-CAP |
| Moehringia lateriflora |
BLUNTLEAF SANDWORT |
| Mollugo verticillatus |
CARPETWEED |
| Monarda bradburiana |
MONARDA |
| Monarda citriodora |
LEMON MINT |
| Monarda didyma |
OSWEGO TEA |
| Monarda fistulosa |
WILD BERGAMOT |
| Monarda punctata villicaulis |
HORSEMINT |
| Monotropa hypopithys |
PINESAP |
| Monotropa uniflora |
INDIAN PIPE |
| Morus alba |
WHITE MULBERRY |
| Morus alba tatarica |
RUSSIAN MULBERRY |
| Morus rubra |
RED MULBERRY |
| Muhlenbergia asperifolia |
ALKALI MUHLY |
| Muhlenbergia frondosa |
COMMON SATIN GRASS |
| Muhlenbergia glomerata |
MARSH WILD TIMOTHY |
| Muhlenbergia mexicana |
LEAFY SATIN GRASS |
| Muhlenbergia racemosa |
GREEN MUHLY |
| Muhlenbergia schreberi |
NIMBLE WILL |
| Muhlenbergia sylvatica |
MUHLY |
| Muhlenbergia tenuiflora |
SLENDER MUHLY |
| Muscari botryoides |
COMMON GRAPE HYACINTH |
| Myosotis arvensis |
FIELD SCORPION GRASS |
| Myosotis scorpioides |
FORGET-ME-NOT |
| Myosotis stricta |
SMALL-FLOWERED FORGET-ME-NOT |
| Myosotis sylvatica |
GARDEN FORGET-ME-NOT |
| Myosotis verna |
SCORPION GRASS |
| Myriophyllum exalbescens |
SPIKED WATER MILFOIL |
| Myriophyllum heterophyllum |
WATER MILFOIL |
| Myriophyllum hippuroides |
MARE'S-TAIL MILFOIL |
| Myriophyllum verticillatum pectinatum |
WHORLED WATER MILFOIL |
| Najas flexilis |
BUSHY PONDWEED |
| Napaea dioica |
GLADE MALLOW |
| Narcissus pseudo-narcissus |
DAFFODIL |
| Nasturtium officinale |
TRUE WATER CRESS |
| Nelumbo lutea |
AMERICAN LOTUS |
| Nemopanthus mucronatus |
MOUNTAIN HOLLY |
| Nepeta cataria |
CATNIP |
| Nicandra physalodes |
APPLE-OF-PERU |
| Nicotiana rustica |
WILD TOBACCO |
| Nuphar luteum macrophyllum |
SPATTERDOCK |
| Nuphar luteum variegatum |
BULLHEAD LILLY |
| Nymphaea odorata |
FRAGRANT WATER LILY |
| Nymphaea tuberosa |
WHITE WATER LILY |
| Nyssa sylvatica |
BLACK GUM |
| Oenothera biennis |
EVENING PRIMROSE |
| Oenothera laciniata |
RAGGED EVENING PRIMROSE |
| Oenothera parviflora |
EVENING PRIMROSE |
| Oenothera perennis |
SMALL SUNDROPS |
| Oenothera pilosella |
PRAIRIE SUNDROPS |
| Oenothera rhombipetala |
SAND PRIMROSE |
| Oenothera speciosa |
SHOWY EVENING PRIMROSE |
| Onoclea sensibilis |
SENSITIVE FERN |
| Onopordum acanthium |
Scotch Cottonthistle |
| Ophioglossum vulgatum pseudopodum |
ADDER'S-TONGUE FERN |
| Opuntia humifusa |
PRICKLY-PEAR |
| Ornithogalum umbellatum |
COMMON STAR-OF-BETHLEHEM |
| Orobanche fasciculata |
CLUSTERED BROOMRAPE |
| Orobanche uniflora |
CANCER-ROOT |
| Orthilia secunda |
ONE-SIDED PYROLA |
| Oryzopsis asperifolia |
MOUNTAIN RICE |
| 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 corniculata |
CREEPING WOOD SORREL |
| Oxalis dillenii |
YELLOW WOOD SORREL |
| Oxalis stricta |
YELLOW WOOD SORREL |
| Oxalis violacea |
PURPLE OXALIS |
| Oxydendrum arboreum |
SOURWOOD |
| Oxypolis rigidior |
COWBANE |
| Panax quinquefolius |
GINSENG |
| Panicum anceps |
PANIC GRASS |
| Panicum capillare |
WITCH GRASS |
| Panicum dichotomiflorum |
FALL PANICUM |
| Panicum dichotomiflorum puritanorum |
PANIC GRASS |
| Panicum flexile |
SLENDER PANIC GRASS |
| Panicum miliaceum |
BROOMCORN MILLET |
| Panicum rigidulum |
MUNRO GRASS |
| Panicum virgatum |
PRAIRIE SWITCHGRASS |
| Papaver rhoeas |
CORN POPPY |
| Parietaria pensylvanica |
PENNSYLVANIA PELLITORY |
| Parnassia glauca |
GRASS-OF-PARNASSUS |
| Paronychia canadensis |
FORKED CHICKWEED |
| Paronychia fastigiata |
FORKED CHICKWEED |
| Parthenium hysterophorus |
SANTA MARIA |
| Parthenium integrifolium |
AMERICAN FEVERFEW |
| Parthenocissus inserta |
VIRGINIA CREEPER |
| Parthenocissus quinquefolia |
VIRGINIA CREEPER |
| Pastinaca sativa |
PARSNIP |
| Pedicularis canadensis |
LOUSEWORT |
| Pedicularis lanceolata |
SWAMP WOOD BETONY |
| Pellaea glabella |
PURPLE CLIFFBRAKE |
| Peltandra virginica |
ARROW ARUM |
| Penstemon calycosus |
SMOOTH BEARD-TONGUE |
| Penstemon digitalis |
FOXGLOVE BEARD-TONGUE |
| Penstemon hirsutus |
HAIRY BEARD-TONGUE |
| Penstemon pallidus |
PALE BEARD-TONGUE |
| Penthorum sedoides |
DITCH STONECROP |
| Perideridia americana |
|
| Perilla frutescens |
BEEFSTEAK PLANT |
| Phalaris arundinacea |
REED CANARY GRASS |
| Phalaris canariensis |
BIRDSEED GRASS |
| Phegopteris hexagonoptera |
BROAD BEECH FERN |
| Philadelphus coronarius |
SWEET MOCK ORANGE |
| Phleum pratense |
TIMOTHY |
| Phlox bifida |
CLEFF PHLOX |
| Phlox divaricata laphamii |
BLUE PHLOX |
| Phlox glaberrima interior |
SMOOTH PHLOX |
| Phlox paniculata |
GARDEN PHLOX |
| Phlox pilosa |
DOWNY PHLOX |
| Phragmites australis |
COMMON RED REED |
| Phryma leptostachya |
LOPSEED |
| Phyla lanceolata |
FOG-FRUIT |
| Physalis angulata |
GROUND CHERRY |
| Physalis heterophylla |
GROUND CHERRY |
| Physalis ixocarpa |
TOMATILLO |
| Physalis lanceolata |
NARROW-LEAVED GROUND CHERRY |
| Physalis pendula |
GROUND CHERRY |
| Physalis pubescens |
ANNUAL GROUND CHERRY |
| Physalis subglabrata |
SMOOTH GROUND CHERRY |
| Physalis virginiana |
GROUND CHERRY |
| Physocarpus opulifolius |
COMMON NINEBARK |
| Physostegia angustifolia |
NARROW-LEAVED FALSE DRAGONHEAD |
| Physostegia speciosa |
FALSE DRAGONHEAD |
| Physostegia virginiana |
FALSE DRAGONHEAD |
| Phytolacca americana |
POKEWEED |
| Pilea fontana |
CLEARWEED |
| Pilea pumila |
CANADA CLEARWEED |
| Pinus banksiana |
JACK PINE |
| Pinus strobus |
WHITE PINE |
| Plantago arenaria |
WHORLED PLANTAIN |
| Plantago aristata |
BRACTED PLANTAIN |
| Plantago cordata |
HEARTLEAF PLANTAIN |
| Plantago lanceolata |
BUCKHORN |
| Plantago major |
COMMON PLANTAIN |
| Plantago media |
HOARY PLANTAIN |
| Plantago rugelii |
RED-STALKED PLANTAIN |
| Plantago virginica |
DWARF PLANTAIN |
| Platanthera ciliaris |
ORANGE FRINGED ORCHID |
| Platanthera clavellata |
GREEN ORCHID |
| Platanthera flava herbiola |
TUBERCLED ORCHID |
| Platanthera hookeri |
HOOKER'S ORCHID |
| Platanthera hyperborea huronensis |
GREEN ORCHID |
| Platanthera lacera |
GREEN FRINGED ORCHID |
| Platanthera leucophaea |
PRAIRIE WHITE FRINGED ORCHID |
| Platanthera orbiculata |
ROUND-LEAVED ORCHID |
| Platanthera psycodes |
SMALL PURPLE FRINGED ORCHID |
| Platanus occidentalis |
BUTTONWOOD |
| Pluchea odorata succulenta |
CAMPHOR WEED |
| Poa annua |
ANNUAL BLUEGRASS |
| Poa bulbosa |
BULBOUS BLUEGRASS |
| Poa compressa |
CANADIAN BLUEGRASS |
| Poa languida |
WEAK BLUEGRASS |
| Poa palustris |
FOWL BLUEGRASS |
| Poa pratensis |
KENTUCKY BLUEGRASS |
| Poa sylvestris |
WOODLAND BLUEGRASS |
| Poa trivialis |
MEADOW GRASS |
| Podophyllum peltatum |
MAYAPPLE |
| Pogonia ophioglossoides |
ROSE POGONIA |
| Poinsettia dentata |
WILD POINSETTIA |
| Poinsettia dentata cuphosperma |
WILD POINSETTIA |
| Polanisia dodecandra |
CLAMMYWEED |
| Polemonium reptans |
JACOB'S-LADDER |
| Polygala cruciata aquilonia |
CROSS MILKWORT |
| Polygala incarnata |
PINK MILKWORT |
| Polygala paucifolia |
FLOWERING WINTERGREEN |
| Polygala polygama obtusata |
PURPLE MILKWORT |
| Polygala sanguinea |
FIELD MILKWORT |
| Polygala senega |
SENECA SNAKEROOT |
| Polygala verticillata |
WHORLED MILKWORT |
| Polygonatum commutatum |
GREAT SOLOMON SEAL |
| Polygonatum pubescens |
DOWNY SOLOMAN'S SEAL |
| Polygonella articulata |
JOINTWEED |
| Polygonum amphibium |
WATER SMARTWEED |
| Polygonum arenastrum |
KNOTWEED |
| Polygonum aviculare |
KNOTWEED |
| Polygonum buxiforme |
KNOTWEED |
| Polygonum careyi |
CAREY'S HEARTSEASE |
| Polygonum cespitosum longisetum |
CREEPING SMARTWEED |
| Polygonum convolvulus |
BLACK BIRDWEED |
| Polygonum cristatum |
COPSE BINDWEED |
| Polygonum cuspidatum |
JAPANESE FLEECE FLOWER |
| Polygonum erectum |
ERECT KNOTWEED |
| Polygonum exsertum |
LONG-FRUITED KNOTWEED |
| Polygonum hydropiper |
COMMON SMARTWEED |
| Polygonum hydropiperoides |
MILD WATER PEPPER |
| Polygonum lapathifolium |
CURTTOP LADY'S THUMB |
| Polygonum neglectum |
|
| Polygonum orientale |
KISS-ME-OVER-THE-GARDEN-GATE |
| Polygonum pensylvanicum laevigatum |
PENNSYLVANIA SMARTWEED |
| Polygonum persicaria |
SPOTTED LADY'S THUMB |
| Polygonum punctatum |
DOTTED SMARTWEED |
| Polygonum ramosissimum |
BUSHY KNOTWEED |
| Polygonum sagittatum |
ARROWLEAF TEARTHUMB |
| Polygonum scandens |
CLIMBING BUCKWHEAT |
| Polygonum tenue |
SLENDER KNOTWEED |
| Polygonum virginianum |
VIRGINIA KNOTWEED |
| Polymnia canadensis |
LEAFCUP |
| Polystichum acrostichoides |
CHRISTMAS FERN |
| Polytaenia nuttallii |
PRAIRIE PARSLEY |
| Pontederia cordata |
PICKERELWEED |
| Populus alba |
WHITE POPLAR |
| Populus balsamifera |
BALSAM POPLAR |
| Populus deltoides |
EASTERN COTTONWOOD |
| Populus grandidentata |
BIG-TOOTH ASPEN |
| Populus nigra italica |
LOMBARDY POPLAR |
| Populus tremuloides |
QUAKING ASPEN |
| Portulaca oleracea |
PURSLANE |
| Potamogeton X hagstroemii |
PONDWEED |
| Potamogeton X rectifolius |
PONDWEED |
| Potamogeton amplifolius |
LARGELEAF PONDWEED |
| Potamogeton crispus |
BEGINNER'S PONDWEED |
| Potamogeton diversifolius |
WATERTHREAD PONDWEED |
| Potamogeton foliosus |
LEAFY PONDWEED |
| Potamogeton friesii |
FRIES'S PONDWEED |
| Potamogeton gramineus |
GRASS-LEAVED PONDWEED |
| Potamogeton illinoensis |
ILLINOIS PONDWEED |
| Potamogeton nodosus |
AMERICAN PONDWEED |
| Potamogeton pectinatus |
COMB PONDWEED |
| Potamogeton praelongus |
WHITE-STEMMED PONDWEED |
| Potamogeton pusillus |
BABY PONDWEED |
| Potamogeton richardsonii |
REDHEAD GRASS |
| Potamogeton strictifolius |
NARROWLEAF PONDWEED |
| Potamogeton zosteriformis |
FLATSTEM PONDWEED |
| Potentilla anserina |
SILVERWEED |
| Potentilla argentea |
SILVERY CINQUEFOIL |
| Potentilla arguta |
PRAIRIE CINQUEFOIL |
| Potentilla fruticosa |
BUSH CINQUEFOIL |
| Potentilla norvegica |
ROUGH CINQUEFOIL |
| Potentilla palustris |
MARSH CINQUEFOIL |
| Potentilla recta |
SULFUR CINQUEFOIL |
| Potentilla rivalis |
BROOK CINQUEFOIL |
| Potentilla simplex |
COMMON CINQUEFOIL |
| Potentilla tridentata |
THREE-TOOTED CINQUEFOIL |
| Prenanthes alba |
LION'S FOOT |
| Prenanthes altissima |
TALL WHITE LETTUCE |
| Prenanthes aspera |
ROUGH WHITE LETTUCE |
| Prenanthes crepidinea |
GREAT WHITE LETTUCE |
| Prenanthes racemosa |
GLAUCOUS WHITE LETTUCE |
| Proserpinaca palustris |
MERMAID-WEED |
| Prunella vulgaris |
SELF-HEAL |
| Prunella vulgaris elongata |
SELF-HEAL |
| Prunus americana |
AMERICAN PLUM |
| Prunus americana lanata |
WILD PLUM |
| Prunus hortulana |
WILD GOOSE PLUM |
| Prunus nigra |
CANADA PLUM |
| Prunus pensylvanica |
PIN CHERRY |
| Prunus persica |
PEACH |
| Prunus serotina |
WILD BLACK CHERRY |
| Prunus susquehanae |
SAND CHERRY |
| Prunus virginiana |
COMMON CHOKECHERRY |
| Psoralea onobrychis |
FRENCH GRASS |
| Psoralea tenuiflora |
SCURF-PEA |
| Ptelea trifoliata |
WAFER ASH |
| Ptelea trifoliata mollis |
WAFER ASH |
| Pteridium aquilinum latiusculum |
BRACKEN FERN |
| Puccinellia distans |
ALKALI GRASS |
| Pulsatilla patens multifida |
PASQUE-FLOWER |
| Pycnanthemum pilosum |
HAIRY MOUNTAIN MINT |
| Pycnanthemum tenuifolium |
SLENDER MOUNTAIN MINT |
| Pycnanthemum virginianum |
COMMON MOUNTAIN MINT |
| Pyrola elliptica |
SHINLEAF |
| Pyrus communis |
PEAR |
| Quercus alba |
WHITE OAK |
| Quercus bicolor |
SWAMP WHITE OAK |
| Quercus ellipsoidalis |
HILL'S OAK |
| Quercus imbricaria |
JACK OAK |
| Quercus macrocarpa |
BURR OAK |
| Quercus 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 cymbalaria |
SEASIDE CROWFOOT |
| Ranunculus fascicularis |
EARLY BUTTERCUP |
| Ranunculus flabellaris |
YELLOW WATER BUTTERCUP |
| Ranunculus gmelinii hookeri |
SMALL YELLOW WATER-CROWFOOT |
| Ranunculus hispidus |
BRISTLY BUTTERCUP |
| Ranunculus longirostris |
LONGBEAK BUTTERCUP |
| Ranunculus pensylvanicus |
BRISTLY CROWFOOT |
| Ranunculus recurvatus |
HOOKED BUTTERCUP |
| Ranunculus repens |
CREEPING BUTTERCUP |
| Ranunculus rhomboideus |
PLAINS BUTTERCUP |
| Ranunculus sceleratus |
CURSED CROWFOOT |
| Ranunculus septentrionalis |
SWAMP BUTTERCUP |
| Ranunculus trichophyllus |
WHITE WATER-CROWFOOT |
| Ratibida columnifera |
LONG-HEADED CONEFLOWER |
| Ratibida pinnata |
DROOPING CONEFLOWER |
| Reseda alba |
DYER'S ROCKET |
| Rhamnus cathartica |
COMMON BUCKTHORN |
| Rhamnus frangula |
GLOSSY BUCKTHORN |
| Rhamnus frangula angustifolia |
NARROW-LEAVED GLOSSY BUCKTHORN |
| Rhamnus lanceolata |
LANCE-LEAVED BUCKTHORN |
| Rheum rhaponticum |
RHUBARB |
| Rhexia virginica |
MEADOW BEAUTY |
| Rhodotypos scandens |
JETBEAD |
| Rhus aromatica |
AROMATIC SUMAC |
| Rhus aromatica arenaria |
BEACH SUMAC |
| Rhus copallina |
DWARF SUMAC |
| Rhus glabra |
SMOOTH SUMAC |
| Rhus typhina |
STAGHORN SUMAC |
| Rhynchospora alba |
BEAKED RUSH |
| Rhynchospora capillacea |
|
| Rhynchospora capitellata |
BEAKED RUSH |
| Rhynchospora globularis |
GRASS BEAK RUSH |
| Rhynchospora glomerata |
BEAK RUSH |
| Ribes americanum |
WILD BLACK CURRENT |
| Ribes cynosbati |
DOGBERRY |
| Ribes hirtellum |
NORTHERN GOOSEBERRY |
| Ribes missouriense |
MISSOURI GOOSEBERRY |
| Ribes odoratum |
BUFFALO CURRENT |
| Ribes rubrum |
RED CURRENT |
| Robinia pseudoacacia |
BLACK LOCUST |
| Rorippa islandica fernaldiana |
MARSH YELLOW CRESS |
| Rorippa islandica hispida |
HAIRY MARSH YELLOW CRESS |
| 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 multiflora |
JAPANESE ROSE |
| Rosa palustris |
SWAMPY ROSE |
| Rosa setigera |
ILLINOIS ROSE |
| Rosa suffulta |
SUNSHINE ROSE |
| Rotala ramosior |
TOOTH-CUP |
| Rubus allegheniensis |
COMMON BLACKBERRY |
| Rubus flagellaris |
DEWBERRY |
| Rubus frondosus |
BLACKBERRY |
| Rubus hispidus |
SWAMPY DEWBERRY |
| Rubus idaeus |
CULTIVATED RASPBERRY |
| Rubus laciniatus |
CUT-LEAVED BLACKBERRY |
| Rubus occidentalis |
BLACK RASPBERRY |
| Rubus odoratus |
FLOWERING RASPBERRY |
| Rubus pensylvanicus |
BLACKBERRY |
| Rubus pubescens |
DWARF 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 maritimus fueginus |
GOLDEN DOCK |
| Rumex mexicanus |
DOCK |
| Rumex obtusifolius |
BITTER DOCK |
| Rumex orbiculatus |
GREAT WATER DOCK |
| Rumex patientia |
PATIENCE DOCK |
| Rumex verticillatus |
SWAMP DOCK |
| Sabatia angularis |
MARSH PINK |
| Sagina decumbens |
PEARLWORT |
| Sagittaria brevirostra |
ARROWLEAF |
| Sagittaria graminea |
GRASS-LEAVED ARROWHEAD |
| Sagittaria latifolia |
ARROWHEAD |
| Sagittaria rigida |
DEEP WATER DUCK POTATO |
| Salicornia europaea |
CHICKEN CLAWS |
| Salix X subsericea |
WILLOW |
| Salix alba |
WHITE WILLOW |
| Salix amygdaloides |
PEACH-LEAVED WILLOW |
| Salix babylonica |
WEEPING WILLOW |
| Salix bebbiana |
BEAKED WILLOW |
| Salix candida |
HOARY WILLOW |
| Salix discolor |
PUSSY WILLOW |
| Salix exigua |
SANDBAR WILLOW |
| Salix fragilis |
BRITTLE WILLOW |
| Salix glaucophylloides glaucophylla |
BLUE-LEAF WILLOW |
| Salix humilis |
PRAIRIE WILLOW |
| Salix humilis microphylla |
SAGE WILLOW |
| Salix lucida |
SHINING WILLOW |
| Salix nigra |
BLACK WILLOW |
| Salix pedicellaris hypoglauca |
BOG WILLOW |
| Salix petiolaris |
MEADOW WILLOW |
| Salix purpurea |
BASKET WILLOW |
| Salix rigida |
HEART-LEAVED WILLOW |
| Salix sericea |
SILKY WILLOW |
| Salix syrticola |
DUNE WILLOW |
| Salsola iberica |
RUSSIAN THISTLE |
| Salvia nemorosa |
WILD SAGE |
| Salvia reflexa |
ROCKY MOUNTAIN SAGE |
| Sambucus canadensis |
COMMON ELDER |
| Sambucus racemosa pubens |
RED-BERRIED ELDER |
| Samolus valerandii |
BROOKWEED |
| Sanguinaria canadensis |
BLOODROOT |
| Sanguisorba minor |
GARDEN BURNET |
| Sanicula canadensis |
CANADIAN BLACK SNAKEROOT |
| Sanicula gregaria |
COMMON SNAKEROOT |
| Sanicula marilandica |
BLACK SNAKEROOT |
| Sanicula trifoliata |
LARGE-FRUITED BLACK SNAKEROOT |
| Sanvitalia procumbens |
CREEPING ZINNIA |
| Saponaria officinalis |
BOUNCING BET |
| Sarracenia purpurea |
PITCHER PLANT |
| Sassafras albidum |
RED SASSAFRAS |
| Sassafras albidum molle |
RED SASSAFRAS |
| Saururus cernuus |
LIZARD'S TAIL |
| Saxifraga pensylvanica |
SWAMP SAXIFRAGE |
| Schizachyrium scoparium |
LITTLE BLUESTEM |
| Scirpus acutus |
GREAT BULRUSH |
| Scirpus americanus |
AMERICAN BULRUSH |
| Scirpus atrovirens |
DARK GREEN RUSH |
| Scirpus cyperinus |
WOOL GRASS |
| Scirpus fluviatilis |
RIVER BULRUSH |
| Scirpus georgianus |
|
| Scirpus micranthus |
|
| Scirpus micranthus drummondii |
|
| Scirpus paludosus |
ALKALI BULRUSH |
| Scirpus pedicellatus |
BULRUSH |
| Scirpus pendulus |
RED BULRUSH |
| Scirpus polyphyllus |
BULRUSH |
| Scirpus subterminalis |
|
| Scirpus tabernaemontanii |
GREAT BULRUSH |
| Scleria triglomerata |
TALL NUT GRASS |
| Scleria verticillata |
LOW NUT RUSH |
| Scrophularia lanceolata |
EARLY FIGWORT |
| Scrophularia marilandica |
LATE FIGWORT |
| Scutellaria galericulata |
MARSH SKULLCAP |
| Scutellaria lateriflora |
MAD-DOG SKULLCAP |
| Scutellaria leonardii |
SMALL SKULLCAP |
| Scutellaria ovata |
HEART-LEAVED SKULLCAP |
| Scutellaria parvula |
SMALL SKULLCAP |
| Secale cereale |
RYE |
| Sedum acre |
MOSSY STONECROP |
| Sedum purpureum |
LIVE-FOREVER |
| Sedum sarmentosum |
YELLOW STONECROP |
| Selaginella eclipes |
SMALL CLUBMOSS |
| Senecio aureus |
GOLDEN RAGWORT |
| Senecio pauperculus |
BALSAM GROUNDSEL |
| Senecio plattensis |
PRAIRIE GROUNDSEL |
| Senecio viscosus |
RAGWORT |
| Senecio vulgaris |
COMMON GROUNDSEL |
| Setaria faberi |
GIANT FOXTAIL |
| Setaria glauca |
PIGEON GRASS |
| Setaria italica |
FOXTAIL MILLET |
| Setaria verticillata |
BRISTLY FOXTAIL |
| Setaria viridis |
COMMON FOXTAIL |
| Shepherdia canadensis |
BUFFALOBERRY |
| Sibara virginica |
VIRGINIA ROCK CRESS |
| Sicyos angulatus |
BUR CUCUMBER |
| Sida spinosa |
PRICKLY SIDA |
| Silene antirrhina |
SLEEPY CATCHFLY |
| Silene armeria |
SWEET WILLIAM CATCHFLY |
| Silene cserei |
GLAUCOUS CAMPION |
| Silene cucubalus |
BLACKLER CAMPION |
| Silene dichotoma |
FORKED CATCHFLY |
| Silene nivea |
SNOW CAMPION |
| Silene noctiflora |
NIGHT-FLOWERING CATCHFLY |
| Silene regia |
ROYAL CATCHFLY |
| Silene stellata |
STARRY CAMPION |
| Silene virginica |
FIREPINK |
| Silphium integrifolium |
WHOLELEAF ROSINWEED |
| Silphium laciniatum |
COMPASS-PLANT |
| Silphium perfoliatum |
CUP PLANT |
| Silphium terebinthinaceum |
DOCK ROSIN-WEED |
| Sisymbrium altissimum |
TUMBLE MUSTARD |
| Sisymbrium loeselii |
TALL HEDGE MUSTARD |
| Sisymbrium officinale |
HEDGE MUSTARD |
| Sisyrinchium albidum |
BLUE-EYED GRASS |
| Sisyrinchium angustifolium |
COMMON BLUE-EYED GRASS |
| Sisyrinchium campestre |
PRAIRIE BLUE-EYED GRASS |
| Sisyrinchium montanum |
MOUNTAIN BLUE-EYED GRASS |
| Sium suave |
WATER PARSNIP |
| Smilacina racemosa |
FALSE SOLOMON SEAL |
| Smilacina stellata |
STARRY FALSE SOLOMON SEAL |
| Smilax ecirrata |
UPRIGHT CARRION FLOWER |
| Smilax hispida |
BRISTLY GREENBRIER |
| Smilax illinoensis |
CARRION FLOWER |
| 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 |
| Solanum triflorum |
CUT-LEAVED NIGHTSHADE |
| Solidago X lutescens |
UPLAND ASTER |
| Solidago bicolor |
SILVERROD |
| 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 ohioensis |
OHIO GOLDENROD |
| Solidago patula |
ROUGH-LEAF GOLDENROD |
| Solidago ptarmicoides |
STIFF ASTER |
| Solidago riddellii |
RIDDELL'S GOLDENROD |
| Solidago rigida |
RIGID GOLDENROD |
| Solidago sempervirens |
SEASIDE GOLDENROD |
| Solidago speciosa |
SHOWY GOLDENROD |
| Solidago uliginosa |
BOG GOLDENROD |
| Solidago ulmifolia |
ELM-LEAVED GOLDENROD |
| Sonchus arvensis |
FIELD SOWTHISTLE |
| Sonchus arvensis glabrescens |
|
| Sonchus asper |
PRICKLY SOWTHISTLE |
| Sonchus oleraceus |
COMMON SOWTHISTLE |
| Sorbus aucuparia |
EUROPEAN MOUNTAIN ASH |
| Sorghastrum nutans |
INDIAN GRASS |
| Sorghum bicolor |
BROOM CORN |
| Sorghum halepense |
EGYPTIAN MILLET |
| Sparganium americanum |
AMERICAN BURREED |
| Sparganium chlorocarpum |
GREEN-FRUITED BURREED |
| Sparganium eurycarpum |
BURREED |
| Spartina pectinata |
FRESHWATER CORD GRASS |
| Spergula arvensis |
CORN SPURREY |
| Spergularia media |
SALT SPURREY |
| Spergularia rubra |
SAND SPURREY |
| Sphenopholis obtusata |
PRAIRIE WEDGE GRASS |
| Sphenopholis obtusata major |
WEDGE GRASS |
| Spiraea alba |
MEADOW-SWEET |
| Spiraea tomentosa |
HARDHACK |
| Spiranthes cernua |
NODDING LADIES-TRESSES |
| Spiranthes lacera |
SLENDER LADIES' TRESSES |
| Spiranthes lucida |
YELLOW-LIPPED LADIES' TRESSES |
| Spiranthes magnicamporum |
DUNE LADIES' TRESSES |
| Spiranthes romanzoffiana |
HOODED LADIES' TRESSES |
| Spirodela polyrhiza |
BIG DUCKWEED |
| Sporobolus asper |
DROP SEED |
| Sporobolus cryptandrus |
SAND DROPSEED |
| Sporobolus heterolepis |
NORTHERN DROP SEED |
| Sporobolus neglectus |
PUFFSHEATH DROPSEED |
| Sporobolus vaginiflorus |
NORTHERN RUSH GRASS |
| Stachys aspera |
HYSSOP HEDGE NETTLE |
| Stachys palustris homotricha |
WOUNDWORT |
| Stachys tenuifolia |
SLENDERLEAF BETONY |
| Stachys tenuifolia hispida |
HAIRY HEDGE NETTLE |
| Staphylea trifolia |
BLADDERNUT |
| Stellaria graminea |
COMMON STICHWORT |
| Stellaria media |
COMMON CHICKWEED |
| Stellaria pubera |
GREAT CHICKWEED |
| Stipa comata |
NEEDLE GRASS |
| Stipa spartea |
NEEDLE GRASS |
| Strophostyles helvola |
WILD BEAN |
| Strophostyles leiosperma |
WILD BEAN |
| Stylophorum diphyllum |
CELANDINE POPPY |
| Suaeda depressa |
SEA BLITE |
| Symphoricarpos occidentalis |
WESTERN SNOWBERRY |
| Symphoricarpos orbiculatus |
BUCKBRUSH |
| Symphytum officinale |
COMMON COMFREY |
| Symplocarpus foetidus |
SKUNK CABBAGE |
| Syringa vulgaris |
LILAC |
| Taenidia integerrima |
YELLOW PIMPERNEL |
| Talinum rugospermum |
FLOWER-OF-AN-HOUR |
| Tanacetum parthenium |
COMMON TANSY |
| Tanacetum vulgare |
COMMON TANSY |
| Taraxacum laevigatum |
RED-SEEDED DANDELION |
| Taraxacum officinale |
COMMON DANDELION |
| 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 barbinode |
HAIRY MEADOW PARSNIP |
| Thaspium trifoliatum |
MEADOW PARSNIP |
| Thelypteris palustris pubescens |
MARSH FERN |
| Thismia americana |
THISMIA |
| Thlaspi arvense |
FIELD PENNY CRESS |
| Thuja occidentalis |
ARBOR VITAE |
| Tidestromia lanuginosa |
WOOLLY TIDESTROMIA |
| Tilia americana |
AMERICAN LINDEN |
| Tofieldia glutinosa |
FALSE ASPHRODEL |
| Tomanthera auriculata |
AURICULATE FALSE FOXGLOVE |
| Torilis japonica |
HEDGE PARSLEY |
| Toxicodendron radicans |
POISON IVY |
| Toxicodendron vernix |
POISON SUMAC |
| Tradescantia ohiensis |
SPIDERWORT |
| Tradescantia virginiana |
SPIDERWORT |
| Tragopogon dubius |
GOAT'S BEARD |
| Tragopogon porrifolius |
VEGETABLE OYSTER SALSIFY |
| Tragopogon pratensis |
COMMON GOAT'S BEARD |
| Triadenum fraseri |
FRASER'S ST. JOHNS-WORT |
| Tribulus terrestris |
PUNCTURE-WEED |
| Trichostema brachiatum |
FALSE PENNYROYAL |
| 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 reflexum |
BUFFALO CLOVER |
| Trifolium repens |
WHITE CLOVER |
| Trifolium resupinatum |
PERSIAN CLOVER |
| Triglochin maritima |
ARROW-GRASS |
| Triglochin palustris |
ARROW-GRASS |
| Trillium cernuum macranthum |
NODDING TRILLIUM |
| Trillium flexipes |
DECLINED TRILLIUM |
| Trillium grandiflorum |
LARGE WHITE TRILLIUM |
| Trillium nivale |
SNOW TRILLIUM |
| Trillium recurvatum |
RED TRILLIUM |
| Trillium sessile |
SESSILE 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 |
| Triplasis purpurea |
PURPLE SANDGRASS |
| Triticum aestivum |
BEARDED WHEAT |
| Triticum cylindricum |
JOINTED GOAT GRASS |
| Typha angustifolia |
NARROW-LEAVED CATTAIL |
| Typha latifolia |
CATTAIL |
| Ulmus americana |
AMERICAN ELM |
| Ulmus pumila |
SIBERIAN ELM |
| Ulmus rubra |
SLIPPERY ELM |
| Ulmus thomasii |
CORK ELM |
| Urtica dioica |
STINGING NETTLE |
| Utricularia cornuta |
HORNED BLADDERWORT |
| Utricularia gibba |
HUMPED BLADDERWORT |
| Utricularia intermedia |
FLAT-LEAVED BLADDERWORT |
| Utricularia vulgaris |
COMMOM BLADDERWORT |
| Uvularia grandiflora |
BIG MERRY BELLS |
| Vaccaria pyramidata |
COW HERB |
| Vaccinium angustifolium |
LOW-BUSH BLUEBERRY |
| Vaccinium corymbosum |
HIGH-BUSH BLUEBERRY |
| Vaccinium macrocarpon |
AMERICAN CRANBERRY |
| Vaccinium pallidum |
LOW-BUSH BLUEBERRY |
| Vaccinium pallidum |
LOW-BUSH BLUEBERRY |
| Valeriana edulis ciliata |
VALERIAN |
| Valeriana officinalis |
GARDEN HELIOTROPE |
| Vallisneria americana |
EEL GRASS |
| Verbascum blattaria |
MOTH MULLEIN |
| Verbascum phlomoides |
CLASPING MULLEIN |
| Verbascum thapsus |
WOOLLY MULLEIN |
| Verbena X blanchardii |
|
| Verbena X moechina |
|
| Verbena X rydbergii |
|
| Verbena bracteata |
CREEEPING VERVAIN |
| Verbena hastata |
BLUE VERVAIN |
| Verbena simplex |
NARROW-LEAVED VERVAIN |
| Verbena stricta |
HOARY VERVAIN |
| Verbena urticifolia |
WHITE VERVIAN |
| Verbena urticifolia leiocarpa |
WHITE VERVAIN |
| Verbesina alternifolia |
WING STEM |
| Vernonia fasciculata |
COMMON IRONWEED |
| Vernonia gigantea |
TALL IRON WEED |
| Vernonia missurica |
MISSOURI IRONWEED |
| Veronica arvensis |
CORN SPEEDWELL |
| Veronica catenata |
WATER SPEEDWELL |
| Veronica officinalis |
COMMON SPEEDWELL |
| Veronica peregrina |
PURSLANE SPEEDWELL |
| Veronica scutellata |
MARSH SPEEDWELL |
| Veronica serpyllifolia |
THYME-LEAVED SPEEDWELL |
| Veronicastrum virginicum |
CULVER'S ROOT |
| Viburnum acerifolium |
MAPLE-LEAVED ARROWWOOD |
| Viburnum lentago |
NANNYBERRY |
| Viburnum opulus |
EUROPEAN HIGH-BUSH CRANBERRY |
| Viburnum prunifolium |
BLACK HAW |
| Viburnum rafinesquianum |
DOWNY ARROWWOOD |
| Viburnum recognitum |
SMOOTH ARROWWOOD |
| Viburnum trilobum |
HIGH-BUSH CRANBERRY |
| Vicia americana |
AMERICAN VETCH |
| Vicia caroliniana |
WOOD VETCH |
| Vicia cracca |
BIRD VETCH |
| Vicia dasycarpa |
HAIRY-FRUITED VETCH |
| Vicia sativa |
COMMON VETCH |
| Vicia villosa |
WINTER VETCH |
| Vinca minor |
COMMON PERIWINKLE |
| Viola X wittrockiana |
PANSY |
| Viola affinis |
WOODLAND BLUE VIOLET |
| Viola arvensis |
WILD PANSY |
| Viola canadensis corymbosum |
CANADA VIOLET |
| Viola conspersa |
AMERICAN DOG VIOLET |
| Viola fimbriatula |
SAND VIOLET |
| Viola incognita |
HAIRY WHITE VIOLET |
| Viola lanceolata |
LANCE-LEAVED VIOLET |
| Viola lanceolata vittata |
NARROW-LEAVED VIOLET |
| Viola macloskeyi pallens |
SMOOTH WHITE VIOLET |
| Viola missouriensis |
MISSOURI VIOLET |
| Viola nephrophylla |
NORTHERN BLUE 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 |
| Viola tricolor |
JOHNNY-JUMP-UP |
| Viola triloba |
CLEFT VIOLET |
| Vitis aestivalis |
SUMMER GRAPE |
| Vitis riparia |
RIVERVBANK GRAPE |
| Vitis vulpina |
FROST GRAPE |
| Vulpia octoflora |
SIX-WEEKS FESCUE |
| Wolffia columbiana |
COMMON WATERMEAL |
| Wolffiella gladiata |
DUCKWEED |
| Woodsia obtusa |
COMMON WOODSIA |
| Xanthium spinosum |
SPINY COCKELBUR |
| Xanthium strumarium canadensis |
COCKLE BUR |
| Xanthium strumarium glabratum |
COCKLE BUR |
| Xyris torta |
TWISTED YELLOW-EYED GRASS |
| Zannichellia palustris |
COMMON POOLMAT |
| Zanthoxylum americanum |
PRICKLY ASH |
| Zea mays |
CORN |
| Zizania aquatica |
GIANT WILD RICE |
| Zizania aquatica interior |
WILD RICE |
| Zizia aptera |
HEART-LEAVED MEADOW PARSNIP |
| Zizia aurea |
GOLDEN ALEXANDERS |
| Zosterella dubia |
WATER STAR-GRASS |