Minnesota Plants

All Plants

     


A
   

absinth wormwood (Artemisia absinthium)

agrimony (Agrimonia sp.)

alder-leaved buckthorn (Rhamnus alnifolia)

alfalfa (Medicago sativa ssp. sativa)

alkali buttercup (Ranunculus cymbalaria)

alkali cordgrass (Spartina gracilis)

alkali plantain (Plantago eriopoda)

Allegheny blackberry (Rubus allegheniensis)

Allegheny monkeyflower (Mimulus ringens var. ringens)

Allegheny vine (Adlumia fungosa)

alpine bistort (Polygonum viviparum)

alpine enchanter’s-nightshade (Circaea alpina ssp. alpina)

alpine milkvetch (Astragalus alpinus var. alpinus)

alpine woodsia (Woodsia alpina)

alsike clover (Trifolium hybridum)

American basswood (Tilia americana var. americana)

American beachgrass (Ammophila breviligulata)

American bird’s-foot trefoil (Acmispon americanus var. americanus)

American bittersweet (Celastrus scandens)

American black currant (Ribes americanum)

American bladdernut (Staphylea trifolia)

American bugleweed (Lycopus americanus)

American burnweed (Erechtites hieraciifolius var. hieraciifolius)

American bur-reed (Sparganium americanum)

American chestnut (Castanea dentata)

American cow parsnip (Heracleum sphondylium ssp. montanum)

American dog violet (Viola labradorica)

American dragonhead (Dracocephalum parviflorum)

American elderberry (Sambucus nigra ssp. canadensis)

American elm (Ulmus americana)

American false pennyroyal (Hedeoma pulegioides)

American fly honeysuckle (Lonicera canadensis)

American funaria moss (Funaria americana)

American germander (Teucrium canadense)

American germander (Teucrium canadense var. canadense)

American ginseng (Panax quinquefolius)

American gromwell (Lithospermum latifolium)

American hazel (Corylus americana)

American highbush cranberry (Viburnum opulus var. americanum)

American hog peanut (Amphicarpaea bracteata)

American hog peanut (Amphicarpaea bracteata var. bracteata)

American hog peanut (Amphicarpaea bracteata var. comosa)

American lopseed (Phryma leptostachya)

American lotus (Nelumbo lutea)

American mannagrass (Glyceria grandis)

American marsh pennywort (Hydrocotyle americana)

American mountain ash (Sorbus americana)

American pasqueflower (Anemone patens var. multifida)

American plum (Prunus americana)

American red raspberry (Rubus idaeus ssp. strigosus)

American shoreweed (Littorella uniflora)

American sloughgrass (Beckmannia syzigachne)

American spikenard (Aralia racemosa ssp. racemosa)

American spurred gentian (Halenia deflexa ssp. deflexa)

American starflower (Lysimachia borealis)

American stickseed (Hackelia deflexa var. americana)

American sycamore (Platanus occidentalis)

American vetch (Vicia americana)

American vetch (Vicia americana ssp. americana)

American water plantain (Alisma subcordatum)

American water-willow (Justicia americana)

American white waterlily (Nymphaea odorata)

American white waterlily (Nymphaea odorata ssp. tuberosa)

American willow herb (Epilobium ciliatum ssp. ciliatum)

American witchhazel (Hamamelis virginiana)

Amur corktree (Phellodendron amurense)

Amur maple (Acer ginnala)

Andrews’ lady’s slipper (Cypripedium x andrewsii)

aniseroot (Osmorhiza longistylis)

annual bursage (Ambrosia acanthicarpa)

annual fleabane (Erigeron annuus)

Appalachian barren strawberry (Waldsteinia fragarioides)

Appalachian clubmoss (Huperzia appalachiana)

arctic brome (Bromus kalmii)

arctic raspberry (Rubus arcticus ssp. acaulis)

arctic sweet coltsfoot (Petasites frigidus)

aromatic aster (Symphyotrichum oblongifolium)

arrow-leaved aster (Symphyotrichum urophyllum)

arrow-leaved sweet coltsfoot (Petasites frigidus var. sagittatus)

arrow-leaved violet (Viola sagittata var. sagittata)

arrowfeather threeawn (Aristida purpurascens var. purpurascens)

arrowhead rattlebox (Crotalaria sagittalis)

arrowleaf tearthumb (Persicaria sagittata)

arum-leaved arrowhead (Sagittaria cuneata)

asparagus (Asparagus officinalis)

Atlantic ninebark (Physocarpus opulifolius var. intermedius)

Aunt Lucy (Ellisia nyctelea)

auricled twayblade (Neottia auriculata)

Austrian pine (Pinus nigra)

autumn spotted coralroot (Corallorhiza odontorhiza var. odontorhiza)

autumn fimbristylis (Fimbristylis autumnalis)

autumn olive (Elaeagnus umbellata)

autumn willow (Salix serissima)

     
B
   

baby's breath (Gypsophila paniculata)

bachelor’s button (Centaurea cyanus)

Back’s sedge (Carex backii)

bald cypress (Taxodium distichum)

bald spikerush (Eleocharis erythropoda)

Baldwin’s ironweed (Vernonia baldwinii ssp. interior)

Balkan catchfly (Silene csereii)

ball cactus (Escobaria vivipara var. vivipara)

balsam fir (Abies balsamea var. balsamea)

balsam groundsel (Packera paupercula)

balsam poplar (Populus balsamifera)

balsam willow (Salix pyrifolia)

Baltic rush (Juncus balticus var. littoralis)

baneberry (Actaea sp.)

bare-stemmed tick trefoil (Desmodium nudiflorum)

barnyard grass (Echinochloa crus-galli)

bastard toadflax (Comandra umbellata)

bastard toadflax (Comandra umbellata ssp. umbellata)

bay-leaved willow (Salix pentandra)

beach pea (Lathyrus japonicus var. maritimus)

beaked hazel (Corylus cornuta var. cornuta)

beaked skeletonweed (Shinnersoseris rostrata)

beaked spike-rush (Eleocharis rostellata)

bearberry (Arctostaphylos uva-ursi)

bearded shorthusk (Brachyelytrum erectum)

bearded wheatgrass (Elymus trachycaulus ssp. subsecundus)

Bebb’s willow (Salix bebbiana)

Bell’s honeysuckle (Lonicera × bella)

Beyrich’s fleabane (Erigeron strigosus var. beyrichii)

Bicknell’s cranesbill (Geranium bicknellii)

Bicknell’s sedge (Carex bicknellii)

biennial beeblossom (Oenothera gaura)

big bluestem (Andropogon gerardii)

Bigelow’s bottlebrush grass (Elymus hystrix var. bigeloviana)

bigfruit hawthorn (Crataegus macrosperma)

bigleaf aster (Eurybia macrophylla)

bigleaf lupine (Lupinus polyphyllus ssp. polyphyllus)

bigseed pepperweed (Lepidium densiflorum var. macrocarpum)

bigtooth aspen (Populus grandidentata)

bird’s-foot trefoil (Lotus corniculatus var. corniculatus)

birdfoot violet (Viola pedata)

bishop’s cap (Mitella diphylla)

bitter fleabane (Erigeron acris var. kamtschaticus)

bitternut hickory (Carya cordiformis)

bittersweet nightshade (Solanum dulcamara)

black ash (Fraxinus nigra)

black bindweed (Fallopia convolvulus)

black cherry (Prunus serotina var. serotina)

black chokeberry (Aronia melanocarpa)

black crowberry (Empetrum nigrum)

black huckleberry (Gaylussacia baccata)

black locust (Robinia pseudoacacia)

black maple (Acer saccharum ssp. nigrum)

black medick (Medicago lupulina)

black mustard (Brassica nigra)

black oak (Quercus velutina)

black raspberry (Rubus occidentalis)

black spruce (Picea mariana)

black tupelo (Nyssa sylvatica)

black walnut (Juglans nigra)

black willow (Salix nigra)

black-eyed Susan (Rudbeckia hirta var. pulcherrima)

black-seeded plantain (Plantago rugelii var. rugelii)

black-seeded rice grass (Patis racemosa)

blackberry lily (Iris domestica)

blackfoot quillwort (Isoetes melanopoda)

bladder campion (Silene vulgaris)

bladderwort (Utricularia sp.)

Blanchard’s dewberry (Rubus satis)

bland sweet cicely (Osmorhiza claytonii)

blanket flower (Gaillardia aristata)

blite goosefoot (Chenopodium capitatum)

blood milkwort (Polygala sanguinea)

bloodroot (Sanguinaria canadensis)

blue beech (Carpinus caroliniana ssp. virginiana)

blue cohosh (Caulophyllum thalictroides)

blue giant hyssop (Agastache foeniculum)

blue grama (Bouteloua gracilis)

blue mudplantain (Heteranthera limosa)

Blue Ridge carrionflower (Smilax lasioneura)

blue skullcap (Scutellaria lateriflora var. lateriflora)

blue spruce (Picea pungens)

blue vervain (Verbena hastata)

blue vervain (Verbena hastata var. hastata)

blue vervain (Verbena hastata var. scabra)

blue wild indigo (Baptisia australis)

bluebead lily (Clintonia borealis)

bluejoint (Calamagrostis canadensis)

blue-eyed grass (Sisyrinchium sp.)

blunt sedge (Carex obtusata)

blunt spikerush (Eleocharis obtusa)

blunt-fruited sweet cicely (Osmorhiza depauperata)

bluntleaf sandwort (Moehringia lateriflora)

blunt-leaved orchid (Platanthera obtusata)

blunt-lobed grapefern (Botrychium oneidense)

blunt-lobed woodsia (Woodsia obtusa ssp. obtusa)

bluntleaf bedstraw (Galium obtusum ssp. obtusum)

bluntleaf yellowcress (Rorippa curvipes)

bog adder’s-mouth (Malaxis paludosa)

bog bilberry (Vaccinium uliginosum)

bog birch (Betula pumila)

bog bluegrass (Poa paludigena)

bog Labrador tea (Rhododendron groenlandicum)

bog laurel (Kalmia polifolia)

bog rosemary (Andromeda glaucophylla)

bog willow (Salix pedicellaris)

bog willowherb (Epilobium leptophyllum)

Bohemian knotweed (Fallopia × bohemica)

Bolander’s water hemlock (Cicuta maculata var. bolanderi)

bonfire moss (Funaria hygrometrica var. hygrometrica)

bottle gentian (Gentiana andrewsii)

bottle gentian (Gentiana andrewsii var. andrewsii)

bouncing bet (Saponaria officinalis)

boxelder (Acer negundo)

boxelder (Acer negundo var. interius)

boxelder (Acer negundo var. negundo)

bracted spiderwort (Tradescantia bracteata)

bracted vervain (Verbena bracteata)

Braun’s hollyfern (Polystichum braunii)

bright green spike-rush (Eleocharis flavescens var. olivacea)

bristle-berry (Rubus fulleri)

bristle-berry (Rubus regionalis)

bristle-berry (Rubus stipulatus)

bristle-berry (Rubus uniformis)

bristly blackberry (Rubus dissensus)

bristly buttercup (Ranunculus hispidus)

bristly buttercup (Ranunculus hispidus var. caricetorum)

bristly buttercup (Ranunculus hispidus var. nitidus)

bristly dewberry (Rubus hispidus)

bristly foxtail (Setaria verticillata)

bristly greenbrier (Smilax tamnoides)

bristly locust (Robinia hispida var. hispida)

bristly sarsaparilla (Aralia hispida)

bristly sedge (Carex comosa)

brittle prickly pear (Opuntia fragilis)

brittlestem hempnettle (Galeopsis tetrahit)

broad-leaved arrowhead (Sagittaria latifolia)

broad-leaved cattail (Typha latifolia)

broad-leaved helleborine (Epipactis helleborine)

broadleaf enchanter’s nightshade (Circaea lutetiana ssp. canadensis)

broadleaf meadowsweet (Spiraea alba var. latifolia)

brome-like sedge (Carex bromoides)

brook lobelia (Lobelia kalmii)

brown mustard (Brassica juncea)

brown-eyed Susan (Rudbeckia triloba var. triloba)

buckbean (Menyanthes trifoliata)

buffalo grass (Buchloë dactyloides)

buffalobur nightshade (Solanum rostratum)

bulblet fern (Cystopteris bulbifera)

bulbet-bearing water hemlock (Cicuta bulbifera)

bull thistle (Cirsium vulgare)

bunchberry (Cornus canadensis)

bur cucumber (Sicyos angulatus)

bur oak (Quercus macrocarpa)

bur oak (Quercus macrocarpa var. depressa)

bur oak (Quercus macrocarpa var. macrocarpa)

bushy cinquefoil (Potentilla supina ssp. paradoxa)

butter and eggs (Linaria vulgaris)

butterfly weed (Asclepias tuberosa ssp. interior)

butternut (Juglans cinerea)

buttonbush (Cephalanthus occidentalis)

buttonbush dodder (Cuscuta cephalanthi)

Buxbaum’s sedge (Carex buxbaumii)

     
C
   

calico aster (Symphyotrichum lateriflorum)

calico aster (Symphyotrichum lateriflorum var. horizontale)

calico aster (Symphyotrichum lateriflorum var. lateriflorum)

calla lily (Zantedeschia aethiopica)

Canada anemone (Anemone canadensis)

Canada bluegrass (Poa compressa)

Canada frostweed (Helianthemum canadense)

Canada goldenrod (Solidago canadensis)

Canada goldenrod (Solidago canadensis var. canadensis)

Canada lettuce (Lactuca canadensis)

Canada mayflower (Maianthemum canadense)

Canada moonseed (Menispermum canadense)

Canada plum (Prunus nigra)

Canada thistle (Cirsium arvense)

Canada toadflax (Nuttallanthus canadensis)

Canada wildrye (Elymus canadensis)

Canada yew (Taxus canadensis)

Canadian black snakeroot (Sanicula canadensis)

Canadian black snakeroot (Sanicula canadensis var. canadensis)

Canadian clearweed (Pilea pumila)

Canadian gooseberry (Ribes oxyacanthoides ssp. oxyacanthoides)

Canadian honewort (Cryptotaenia canadensis)

Canadian horseweed (Conyza canadensis)

Canadian milkvetch (Astragalus canadensis var. canadensis)

Canadian tick-trefoil (Desmodium canadense)

Canadian white violet (Viola canadensis var. rugulosa)

Canadian woodnettle (Laportea canadensis)

candle anemone (Anemone cylindrica)

cardinal flower (Lobelia cardinalis)

Carey’s sedge (Carex careyana)

Carolina anemone (Anemone caroliniana)

Carolina foxtail (Alopecurus carolinianus)

Carolina geranium (Geranium carolinianum var. carolinianum)

Carolina horsenettle (Solanum carolinense)

Carolina spring beauty (Claytonia caroliniana var. caroliniana)

Carolina whitlowgrass (Draba reptans)

catnip (Nepeta cataria)

cattail sedge (Carex typhina)

celandine (Chelidonium majus)

cereal rye (Secale cereale)

Chamisso’s cottongrass (Eriophorum chamissonis)

charity (Polemonium caeruleum)

charlock mustard (Sinapis arvensis)

cheatgrass (Bromus tectorum)

chestnut sedge (Carex castanea)

chickpea milkvetch (Astragalus cicer)

chicory (Cichorium intybus)

Chilean sweet cicely (Osmorhiza berteroi)

Chinese catalpa (Catalpa ovata)

Chisos red oak (Quercus gravesii)

chokecherry (Prunus virginiana var. virginiana)

Christmas fern (Polystichum acrostichoides)

cinnamon fern (Osmundastrum cinnamomea)

clammy groundcherry (Physalis heterophylla var. heterophylla)

clammy hedge-hyssop (Gratiola neglecta)

clasping-leaved twisted-stalk (Streptopus amplexifolius)

clasping-leaved Venus’ looking-glass (Triodanis perfoliata ssp. perfoliata)

clasping milkweed (Asclepias amplexicaulis)

clasping pepper grass (Lepidium perfoliatum)

cleavers (Galium aparine)

Cleland’s evening primrose (Oenothera clelandii)

cliff goldenrod (Solidago sciaphila)

cliff fern (Woodsia sp.)

climbing false buckwheat (Fallopia scandens)

Clinton’s bulrush (Trichophorum clintonii)

cloudberry (Rubus chamaemorus)

clustered bellflower (Campanula glomerata)

clustered black snakeroot (Sanicula odorata)

clustered broomrape (Orobanche fasciculata)

clustered poppy mallow (Callirhoe triangulata)

coastal sedge (Carex exilis)

cobaea beardtongue (Penstemon cobaea)

cockspur hawthorn (Crataegus crus-galli)

Columbia watermeal (Wolffia columbiana)

common agrimony (Agrimonia gryposepala)

common barberry (Berberis vulgaris)

common bladderwort (Utricularia vulgaris ssp. macrorhiza)

common blue violet (Viola sororia)

common blue wood aster (Symphyotrichum cordifolium)

common boneset (Eupatorium perfoliatum var. perfoliatum)

common buckthorn (Rhamnus cathartica)

common burdock (Arctium minus)

common bur-reed (Sparganium eurycarpum)

common butterwort (Pinguicula vulgaris ssp. vulgaris)

common chickweed (Stellaria media ssp. media)

common cinquefoil (Potentilla simplex)

common dandelion (Taraxacum officinale ssp. officinale)

common dayflower (Commelina communis)

common dodder (Cuscuta gronovii)

common dogmustard (Erucastrum gallicum)

common duckweed (Lemna minor)

common evening primrose (Oenothera biennis)

common false Solomon’s seal (Maianthemum racemosum var. racemosum)

common flax (Linum usitatissimum)

common hop (Humulus lupulus)

common hop (Humulus lupulus var. lupuloides)

common hop (Humulus lupulus var. pubescens)

common hop-tree (Ptelea trifoliata ssp. trifoliata var. trifoliata)

common juniper (Juniperus communis var. depressa)

common lamb’s-quarters (Chenopodium album)

common lilac (Syringa vulgaris)

common liverwort (Marchantia polymorpha)

common mallow (Malva neglecta)

common milkweed (Asclepias syriaca)

common moonwort (Botrychium lunaria)

common morning-glory (Ipomoea purpurea)

common motherwort (Leonurus cardiaca ssp. cardiaca)

common mullein (Verbascum thapsus ssp. thapsus)

common ninebark (Physocarpus opulifolius)

common ninebark (Physocarpus opulifolius var. opulifolius)

common oat (Avena sativa)

common plantain (Plantago major)

common polypody (Polypodium virginianum)

common purslane (Portulaca oleracea)

common ragweed (Ambrosia artemisiifolia)

common reed (Phragmites australis)

common rivergrass (Scolochloa festucacea)

common rush (Juncus effusus)

common St. Johnswort (Hypericum perforatum)

common sneezeweed (Helenium autumnale)

common snowberry (Symphoricarpos albus var. albus)

common sow thistle (Sonchus oleraceus)

common speedwell (Veronica officinalis)

common spikerush (Eleocharis palustris)

common strawberry (Fragaria virginiana)

common sunflower (Helianthus annuus)

common tansy (Tanacetum vulgare)

common three-square (Schoenoplectus pungens)

common threeseed mercury (Acalypha rhomboidea)

common vetch (Vicia sativa)

common vetch (Vicia sativa ssp. nigra)

common vetch (Vicia sativa ssp. sativa)

common viper’s bugloss (Echium vulgare)

common water hemlock (Cicuta maculata var. maculata)

common winterberry (Ilex verticillata)

common wood fern (Dryopteris intermedia)

common woodrush (Luzula multiflora)

common yarrow (Achillea millefolium)

compass plant (Silphium laciniatum)

coon’s tail (Ceratophyllum demersum)

Cooper’s milkvetch (Astragalus neglectus)

coralberry (Symphoricarpos orbiculatus)

corn (Zea mays)

corn speedwell (Veronica arvensis)

cow vetch (Vicia cracca ssp. cracca)

crabgrass (Digitaria sp.)

crack willow (Salix fragilis)

Crawe’s sedge (Carex crawei)

cream pea (Lathyrus ochroleucus)

creeping bellflower (Campanula rapunculoides)

creeping bentgrass (Agrostis stolonifera)

creeping buttercup (Ranunculus repens)

creeping juniper (Juniperus horizontalis)

creeping snowberry (Gaultheria hispidula)

crested sedge (Carex cristatella)

crested wheatgrass (Agropyron cristatum)

crested wood fern (Dryopteris cristata)

crimson clover (Trifolium incarnatum)

crookedstem aster (Symphyotrichum prenanthoides)

cross-leaved milkwort (Polygala cruciata)

crown vetch (Securigera varia)

cuckoo flower (Cardamine pratensis)

Culver’s root (Veronicastrum virginicum)

cup plant (Silphium perfoliatum var. perfoliatum)

curly dock (Rumex crispus)

curly pondweed (Potamogeton crispus)

curly-cup gumweed (Grindelia squarrosa)

curlytop knotweed (Persicaria lapathifolia)

cursed crowfoot (Ranunculus sceleratus)

cursed crowfoot (Ranunculus sceleratus var. multifidus)

cursed crowfoot (Ranunculus sceleratus var. sceleratus)

cutleaf waterparsnip (Berula erecta)

cut-leaf ironplant (Xanthisma spinulosum var. spinulosum)

cut-leaved anemone (Anemone multifida var. multifida)

cut-leaved coneflower (Rudbeckia laciniata var. laciniata)

cut-leaved evening primrose (Oenothera laciniata)

cut-leaved toothwort (Cardamine concatenata)

cylindric blazing star (Liatris cylindracea)

cypress spurge (Euphorbia cyparissias)

     
D
   

Dakota gentian (Gentiana andrewsii var. dakotica)

dame’s rocket (Hesperis matronalis)

dark green bulrush (Scirpus atrovirens)

David’s spurge (Euphorbia davidii)

Davis’ sedge (Carex davisii)

decurrent false aster (Boltonia decurrens)

deer sedge (Carex hallii)

Deptford pink (Dianthus armeria ssp. armeria)

desert false indigo (Amorpha fruticosa)

desert goosefoot (Chenopodium pratericola)

devil’s beggarticks (Bidens frondosa)

devil’s tongue (Opuntia humifusa var. humifusa)

Dewey’s sedge (Carex deweyana)

diamondleaf willow (Salix planifolia ssp. planifolia)

dill (Anethum graveolens)

disk water-hyssop (Bacopa rotundifolia)

ditch stonecrop (Penthorum sedoides)

dodder (Cuscuta sp.)

dog-fennel (Anthemis cotula)

dotted blazing star (Liatris punctata var. punctata)

dotted hawthorn (Crataegus punctata)

dotted smartweed (Persicaria punctata)

Douglas hawthorn (Crataegus douglasii)

Douglas-fir (Pseudotsuga menziesii)

downy arrowwood (Viburnum rafinesqueanum)

downy arrowwood (Viburnum rafinesqueanum var. affine)

downy arrowwood (Viburnum rafinesqueanum var. rafinesqueanum)

downy gentian (Gentiana puberulenta)

downy hawthorn (Crataegus mollis)

downy painted cup (Castilleja sessiliflora)

downy phlox (Phlox pilosa ssp. fulgida)

downy rattlesnake plantain (Goodyera pubescens)

downy serviceberry (Amelanchier arborea)

downy willow herb (Epilobium strictum)

downy yellow violet (Viola pubescens var. peckii)

downy yellow violet (Viola pubescens var. pubescens)

dragon’s mouth (Arethusa bulbosa)

drooping trillium (Trillium flexipes)

drooping woodland sedge (Carex arctata)

drooping woodreed (Cinna latifolia)

Drummond’s aster (Symphyotrichum drummondii var. drummondii)

Drummond’s campion (Silene drummondii var. drummondii)

Drummond’s rockcress (Arabis drummondii)

dry sedge (Carex xerantica)

dry-spike sedge (Carex siccata)

Dudley’s rush (Juncus dudleyi)

Dutchman’s breeches (Dicentra cucullaria)

dwarf bilberry (Vaccinium caespitosum)

dwarf cinquefoil (Potentilla canadensis)

dwarf false indigo (Amorpha nana)

dwarf ginseng (Panax trifolius)

dwarf raspberry (Rubus pubescens)

dwarf scouring rush (Equisetum scirpoides)

dwarf snapdragon (Chaenorhinum minus ssp. minus)

dyc (Flava composita var. damnatus)

     
E
   

early buttercup (Ranunculus fascicularis)

early figwort (Scrophularia lanceolata)

early coralroot (Corallorhiza trifida)

early goldenrod (Solidago juncea)

early horse-gentian (Triosteum aurantiacum var. aurantiacum)

early meadow rue (Thalictrum dioicum)

early saxifrage (Micranthes virginiensis)

eastern black nightshade (Solanum ptychanthum)

eastern bottlebrush grass (Elymus hystrix)

eastern bottlebrush grass (Elymus hystrix var. hystrix)

eastern cottonwood (Populus deltoides ssp. deltoides)

eastern dwarf mistletoe (Arceuthobium pusillum)

eastern false rue anemone (Enemion biternatum)

eastern hemlock (Tsuga canadensis)

eastern leatherwood (Dirca palustris)

eastern marsh fern (Thelypteris palustris var. pubescens)

eastern panicled aster (Symphyotrichum lanceolatum ssp. lanceolatum)

eastern panicled aster (Symphyotrichum lanceolatum var. hirsuticaule)

eastern panicled aster (Symphyotrichum lanceolatum var. interior)

eastern panicled aster (Symphyotrichum lanceolatum var. lanceolatum)

eastern panicled aster (Symphyotrichum lanceolatum var. latifolium)

eastern poison ivy (Toxicodendron radicans ssp. negundo)

eastern prickly gooseberry (Ribes cynosbati)

eastern purple coneflower (Echinacea purpurea)

eastern redbud (Cercis canadensis var. canadensis)

eastern redcedar (Juniperus virginiana var. virginiana)

eastern star sedge (Carex radiata)

eastern swamp saxifrage (Micranthes pensylvanica)

eastern wahoo (Euonymus atropurpureus var. atropurpureus)

eastern white pine (Pinus strobus)

eastern woodland sedge (Carex blanda)

ebony spleenwort (Asplenium platyneuron)

edible valerian (Valeriana edulis var. ciliata)

eggleaf rosette grass (Dichanthelium ovale)

elegant groundsel (Packera indecora)

elliptic shin-leaf (Pyrola elliptica)

elm-leaved goldenrod (Solidago ulmifolia var. ulmifolia)

Emory’s sedge (Carex emoryi)

Engelmann’s spikerush (Eleocharis engelmannii)

English plantain (Plantago lanceolata)

English sundew (Drosera anglica)

European black alder (Alnus glutinosa)

European black currant (Ribes nigrum)

European bur-reed (Sparganium emersum)

European common reed (Phragmites australis ssp. australis)

European cranberrybush (Viburnum opulus var. opulus)

European larch (Larix decidua)

European mountain ash (Sorbus aucuparia)

European plum (Prunus domestica)

eyebright (Euphrasia officinalis)

     
F
   

false baby’s breath (Galium mollugo)

false boneset (Brickellia eupatorioides var. corymbulosa)

false Indian plantain (Hasteola suaveolens)

false loosestrife (Ludwigia polycarpa)

false melic grass (Schizachne purpurascens)

false mermaid-weed (Floerkea proserpinacoides)

false mountain willow (Salix pseudomonticola)

false sunflower (Heliopsis helianthoides var. occidentalis)

false toadflax (Geocaulon lividum)

falsegold groundsel (Packera pseudaurea var. semicordata)

fan clubmoss (Diphasiastrum digitatum)

fanleaf cinquefoil (Potentilla gracilis var. flabelliformis)

fen grass of Parnassus (Parnassia glauca)

Fernald’s false manna grass (Torreyochloa pallida var. fernaldii)

fescue sedge (Carex festucacea)

few-nerved cottongrass (Eriophorum chamissonis)

few-seeded sedge (Carex oligosperma)

fiddleleaf hawksbeard (Crepis runcinata ssp. runcinata)

field bindweed (Convolvulus arvensis)

field brome (Bromus arvensus)

field chickweed (Cerastium arvense)

field chickweed (Cerastium arvense ssp. arvense)

field chickweed (Cerastium arvense ssp. strictum)

field chickweed (Cerastium arvense ssp. velutinum)

field clover (Trifolium campestre)

field dock (Rumex pseudonatronatus)

field dodder (Cuscuta pentagona)

field garlic (Allium vineale)

field horsetail (Equisetum arvense)

field mustard (Brassica rapa)

field pennycress (Thlaspi arvense)

field peppergrass (Lepidium campestre)

field pussytoes (Antennaria neglecta)

field sagewort (Artemisia campestris ssp. caudata)

field sedge (Carex conoidea)

field sow thistle (Sonchus arvensis)

field sow thistle (Sonchus arvensis ssp. arvensis)

field sow thistle (Sonchus arvensis ssp. uliginosus)

field thistle (Cirsium discolor)

fireberry hawthorn (Crataegus chrysocarpa)

fireweed (Chamerion angustifolium)

fireweed (Chamerion angustifolium ssp. angustifolium)

fireweed (Chamerion angustifolium ssp. circumvagum)

flat-stalked pondweed (Potamogeton friesii)

flat-stemmed pondweed (potamogeton zosteriformis)

flat-stemmed spike-rush (Eleocharis compressa)

flat-topped aster (Doellingeria umbellata)

flat-topped aster (Doellingeria umbellata var. pubens)

flat-topped aster (Doellingeria umbellata var. umbellata)

fleshy hawthorn (Crataegus succulenta)

flexile milkvetch (Astragalus flexuosus var. flexuosus)

floating marsh marigold (Caltha natans)

floating pondweed (Potamogeton natans)

Flodman’s thistle (Cirsium flodmanii)

flowering rush (Butomus umbellatus)

flowering spurge (Euphorbia corollata)

fluxweed (Isanthus brachiatus)

forked campion (Silene dichotoma)

Fort Sheridan hawthorn (Crataegus apiomorpha)

four-flowered yellow loosestrife (Lysimachia quadriflora)

fowl bluegrass (Poa palustris)

fowl mannagrass (Glyceria striata)

fox sedge (Carex vulpinoidea)

foxtail barley (Hordeum jubatum ssp. jubatum)

foxtail prairie clover (Dalea leporina)

fragile fern (Cystopteris fragilis)

fragrant bedstraw (Galium triflorum)

fragrant sumac (Rhus aromatica var. aromatica)

fragrant waterlily (Nymphaea odorata ssp. odorata)

Franklin’s phacelia (Phacelia franklinii)

Fraser’s marsh St. Johnswort (Triadenum fraseri)

freeway sedge (Carex praegracilis)

Frenchman’s Bluff moonwort (Botrychium gallicomontanum)

fringed black bindweed (Fallopia cilinodis)

fringed brome (Bromus ciliatus)

fringed loosestrife (Lysimachia ciliata)

fringed puccoon (Lithospermum incisum)

fringed willow herb (Epilobium ciliatum)

     
G
   

gallant soldier (Galinsoga parviflora var. parviflora)

garden heliotrope (Valeriana officinalis)

garden phlox (Phlox paniculata)

garden radish (Raphanus sativus)

garden strawberry (Fragaria x ananassa)

gardencress pepperweed (Lepidium sativum)

garlic mustard (Alliaria petiolata)

gaywings (Polygala paucifolia)

Georgia bulrush (Scirpus georgianus)

Geyer’s aster (Symphyotrichum laeve var. geyeri)

giant chickweed (Myosoton aquaticum)

giant foxtail (Setaria faberi)

giant goldenrod (Solidago gigantea)

giant green foxtail (Setaria viridis var. major)

giant knotweed (Fallopia sachalinensis)

giant ragweed (Ambrosia trifida var. trifida)

giant sumpweed (Cyclachaena xanthiifolia)

giant sunflower (Helianthus giganteus)

ginkgo (Ginkgo biloba)

glade fern (Diplazium pycnocarpon)

glade mallow (Napaea dioica)

glossy buckthorn (Frangula alnus)

goat’s rue (Tephrosia virginiana)

golden alexanders (Zizia aurea)

golden clover (Trifolium aureum)

golden currant (Ribes aureum var. villosum)

golden ragwort (Packera aurea)

golden-fruited sedge (Carex aurea)

goldenseal (Hydrastis canadensis)

Goldie’s woodfern (Dryopteris goldiana)

goldmoss stonecrop (Sedum acre)

goldthread (Coptis trifolia)

goose grass (Eleusine indica)

graceful cinquefoil (Potentilla gracilis var. gracilis)

graceful sedge (Carex gracillima)

grape honeysuckle (Lonicera reticulata)

grape-leaved sweet coltsfoot (Petasites frigidus var. vitifolius)

grass-leaved goldenrod (Euthamia graminifolia var. graminifolia)

grass-leaved pondweed (Potamogeton gramineus)

grassleaf rush (Juncus marginatus)

gray birch (Betula populifolia)

gray dogwood (Cornus racemosa)

gray goldenrod (Solidago nemoralis)

gray goldenrod (Solidago nemoralis ssp. nemoralis)

gray goldenrod (Solidago nemoralis ssp. decemflora)

Gray’s sedge (Carex grayi)

gray-headed coneflower (Ratibida pinnata)

great blue lobelia (Lobelia siphilitica)

great blue lobelia (Lobelia siphilitica var. ludoviciana)

great blue lobelia (Lobelia siphilitica var. siphilitica)

great burdock (Arctium lappa)

great Indian plantain (Arnoglossum reniforme)

Great Lakes gentian (Gentiana rubricaulis)

Great Lakes sand cherry (Prunus pumila var. pumila)

Great Plains flat sedge (Cyperus lupulinus ssp. lupulinus)

Great Plains flat-topped goldenrod (Euthamia gymnospermoides)

Great Plains hawthorn (Crataegus sheridana)

Great Plains ladies’ tresses (Spiranthes magnicamporum)

great St. Johnswort (Hypericum ascyron ssp. pyramidatum)

great water dock (Rumex britannica)

great waterleaf (Hydrophyllum appendiculatum)

great-spurred violet (Viola selkirkii)

greater bladder sedge (Carex intumescens)

greater duckweed (Spirodela polyrrhiza)

greater fringed gentian (Gentianopsis crinita)

Grecian foxglove (Digitalis lanata)

Greek valerian (Polemonium reptans var. reptans)

green adder’s-mouth (Malaxis unifolia)

green alder (Alnus viridis ssp. crispa)

green amaranth (Amaranthus hybridus)

green ash (Fraxinus pennsylvanica)

green carpetweed (Mollugo verticillata)

green dragon (Arisaema dracontium)

green foxtail (Setaria viridis)

green foxtail (Setaria viridis var. viridis)

green milkweed (Asclepias viridiflora)

green needlegrass (Nassella viridula)

Green’s rush (Juncus greenei)

grimmia dry rock moss (Grimmia laevigata)

grooved yellow flax (Linum sulcatum var. sulcatum)

ground ivy (Glechoma hederacea)

ground plum (Astragalus crassicarpus var. crassicarpus)

groundnut (Apios americana)

Guadalupe waternymph (Najas guadalupensis ssp. olivacea)

     
H
   

hair-like beak-rush (Rhynchospora capillacea)

hair-like sedge (Carex capillaris)

hairy crabgrass (Digitaria sanguinalis)

hairy cupgrass (Eriochloa villosa)

hairy false goldenaster (Heterotheca villosa)

hairy false goldenaster (Heterotheca villosa var. ballardii)

hairy false goldenaster (Heterotheca villosa var. foliosa)

hairy false goldenaster (Heterotheca villosa var. minor)

hairy false goldenaster (Heterotheca villosa var. villosa)

hairy forked nailwort (Paronychia fastigiata var. fastigiata)

hairy four o’clock (Mirabilis albida)

hairy goldenrod (Solidago hispida)

hairy grama (Bouteloua hirsuta var. hirsuta)

hairy gumweed (Grindelia hirsutula)

hairy hedge nettle (Stachys pilosa)

hairy hedge nettle (Stachys pilosa var. pilosa)

hairy honeysuckle (Lonicera hirsuta)

hairy panic grass (Dichanthelium acuminatum)

hairy panic grass (Dichanthelium acuminatum var. acuminatum)

hairy puccoon (Lithospermum caroliniense var. croceum)

hairy purslane speedwell (Veronica peregrina ssp. xalapensis)

hairy rockcress (Arabis pycnocarpa var. pycnocarpa)

hairy Solomon’s seal (Polygonatum pubescens)

hairy sunflower (Helianthus hirsutus)

hairy waterclover (Marsilea vestita)

hairy white oldfield aster (Symphyotrichum pilosum)

hairy white oldfield aster (Symphyotrichum pilosum var. pilosum)

hairy wood mint (Blephilia hirsuta)

hairy woodrush (Luzula acuminata ssp. acuminata)

hairy-fruit sedge (Carex trichocarpa)

hairy-stem gooseberry (Ribes hirtellum)

handsome sedge (Carex formosa)

hard-stem bulrush (Schoenoplectus acutus var. acutus)

harebell (Campanula rotundifolia)

Harger’s goldenrod (Solidago canadensis var. hargeri)

hawthorn (Crataegus sp.)

Hayden’s Sedge (Carex haydenii)

heal-all (Prunella vulgaris)

heal-all (Prunella vulgaris var. vulgaris)

heart-leaved birch (Betula cordifolia)

heart-leaved four o’clock (Mirabilis nyctaginea)

heart-leaved golden alexanders (Zizia aptera)

heart-leaved skullcap (Scutellaria ovata ssp. ovata)

heart-leaved twayblade (Neottia cordata)

heart-leaved willow (Salix eriocephala)

heartleaf foamflower (Tiarella cordifolia var. cordifolia)

heavy sedge (Carex gravida)

hedge bindweed (Calystegia sepium)

hedge mustard (Sisymbrium officinale)

Heller’s rosette grass (Dichanthelium oligosanthes)

Heller’s rosette grass (Dichanthelium oligosanthes ssp. oligosanthes)

hemlock water-parsnip (Sium suave)

henbit deadnettle (Lamium amplexicaule)

herbaceous blackberry (Rubus junceus)

Hill’s thistle (Cirsium pumilum var. hillii)

hoary alyssum (Berteroa incana)

hoary frostweed (Helianthemum bicknellii)

hoary puccoon (Lithospermum canescens)

hoary vervain (Verbena stricta)

Holboell’s rockcress (Boechera retrofracta)

Holzinger’s eupatorium (Eutrochium purpureum var. holzingeri)

honey locust (Gleditsia triacanthos)

hooded ladies’ tresses (Spiranthes romanzoffiana)

hooked buttercup (Ranunculus recurvatus var. recurvatus)

hookedspur violet (Viola adunca var. adunca)

hop sedge (Carex lupulina)

horse chestnut (Aesculus hippocastanum)

horsemint (Monarda punctata var. villicaulis)

hound’s tongue (Cynoglossum officinale)

Howell’s pussy-toes (Antennaria howellii)

Howell’s pussy-toes (Antennaria howellii ssp. canadensis)

Howell’s pussy-toes (Antennaria howellii ssp. neodioica)

Howell’s pussy-toes (Antennaria howellii ssp. petaloidea)

Hudson Bay eyebright (Euphrasia hudsoniana)

Hudson Bay eyebright (Euphrasia hudsoniana var. contracta)

Hudson Bay eyebright (Euphrasia hudsoniana var. ramosior)

humped bladderwort (Utricularia gibba)

Huron green orchid (Platanthera huronensis)

husk tomato (Physalis pubescens var. integrifolia)

hybrid black raspberry (Rubus × neglectus)

hybrid cattail (Typha × glauca)

     
I
   

Illinois carrion flower (Smilax illinoensis)

Illinois pondweed (Potamogeton illinoensis)

Illinois tick-trefoil (Desmodium illinoense)

Indian blanket (Gaillardia pulchella)

Indian hemp (Apocynum cannabinum)

Indian ricegrass (Achnatherum hymenoides)

Indian tobacco (Lobelia inflata)

Indiangrass (Sorghastrum nutans)

Indianpipe (Monotropa uniflora)

inflated narrow-leaf sedge (Carex grisea)

inflated sedge (Carex vesicaria)

inland sedge (Carex interior)

inland serviceberry (Amelanchier interior)

intermediate sedge (Carex media)

interrupted fern (Osmunda claytoniana)

Iowa golden saxifrage (Chrysosplenium iowense)

Irish potato (Solanum tuberosum)

Iron River blackberry (Rubus ferrofluvius)

ironwood (Ostrya virginiana var. virginiana)

Ithaca blackberry (Rubus ithacanus)

ivory sedge (Carex eburnea)

ivy-leaved morning-glory (Ipomoea hederacea)

     
J
   

jack pine (Pinus banksiana)

jack-in-the-pulpit (Arisaema triphyllum)

James’ monkeyflower (Mimulus glabratus var. jamesii)

James’ polanisia (Polanisia jamesii)

James’ sedge (Carex jamesii)

Japanese barberry (Berberis thunbergii)

Japanese hedge parsley (Torilis japonica)

Japanese hop (Humulus japonicus)

Japanese knotweed (Fallopia japonica var. japonica)

Japanese larch (Larix kaempferi)

Jerusalem artichoke (Helianthus tuberosus)

jeweled shooting star (Primula fassettii)

jumpseed (Persicaria virginiana)

June grass (Koeleria macrantha)

     
K
   

Kennedy’s blackberry (Rubus kennedyanus)

Kentucky bluegrass (Poa pratensis ssp. pratensis)

Kentucky coffee tree (Gymnocladus dioicus)

kidney-leaved buttercup (Ranunculus abortivus)

kidney-leaved violet (Viola renifolia)

king devil hawkweed (Pilosella piloselloides)

Kinnickinnick dewberry (Rubus multifer)

kitten-tails (Veronica bullii)

knotted pearlwort (Sagina nodosa ssp. borealis)

knotted rush (Juncus nodosus)

     
L
   

Labrador Indian paintbrush (Castilleja septentrionalis)

lacy tansyaster (Machaeranthera pinnatifida var. pinnatifida)

ladies’ tresses (Spiranthes sp.)

lady fern (Athyrium filix-femina)

lake sedge (Carex lacustris)

lance selfheal (Prunella vulgaris var. lanceolata)

lance-leaf fog-fruit (Phyla lanceolata)

lance-leaved ragweed (Ambrosia bidenta)

lance-leaved violet (Viola lanceolata ssp. lanceolata)

Lapland buttercup (Ranunculus lapponicus)

large cranberry (Vaccinium macrocarpon)

large yellow lady’s slipper (Cypripedium parviflorum var. pubescens)

large yellow water crowfoot (Ranunculus flabellaris)

large-flowered beardtongue (Penstemon grandiflorus)

large-flowered bellwort (Uvularia grandiflora)

large-flowered trillium (Trillium grandiflorum)

large-fruited black snakeroot (Sanicula trifoliata)

large-leaved avens (Geum macrophyllum var. perincisum)

large-leaved black snakeroot (Sanicula canadensis var. grandis)

large-leaved pondweed (Potamogeton amplifolius)

large-leaved sandwort (Moehringia macrophylla)

large-thorned hawthorn (Crataegus macracantha)

largebract ticktrefoil (Desmodium cuspidatum)

largebract ticktrefoil (Desmodium cuspidatum var. cuspidatum)

largebract ticktrefoil (Desmodium cuspidatum var. longifolium)

larger Canadian St. Johnswort (Hypericum majus)

late figwort (Scrophularia marilandica)

late goldenrod (Solidago altissima)

late hawthorn (Crataegus calpodendron)

late horse-gentian (Triosteum perfoliatum)

Laurent’s cliff fern (Woodsia scopulina ssp. laurentiana)

leadplant (Amorpha canescens)

leafy pondweed (Potamogeton foliosus ssp. foliosus)

leafy spurge (Euphorbia virgata)

least moonwort (Botrychium simplex)

leatherleaf (Chamaedaphne calyculata)

Leiberg’s panic grass (Dichanthelium leibergii)

Leidberg’s waterlily (Nymphaea leibergii)

Leonard’s skullcap (Scutellaria parvula var. missouriensis)

lesser bladderwort (Utricularia minor)

lesser clearweed (Pilea fontana)

lesser fringed gentian (Gentianopsis virgata)

lesser fringed gentian (Gentianopsis virgata ssp. virgata)

licorice bedstraw (Galium circaezans var. hypomalacum)

light poppy mallow (Callirhoe alcaeoides)

lily of the valley (Convallaria majalis)

lily-leaved twayblade (Liparis liliifolia)

limber honeysuckle (Lonicera dioica)

limestone meadow sedge (Carex granularis)

limp white water crowfoot (Ranunculus aquatilis var. diffusus)

Lindheimer panic grass (Dichanthelium acuminatum var. lindheimeri)

Lindley’s aster (Symphyotrichum ciliolatum)

linear-leaved panic grass (Dichanthelium linearifolium)

little barley (Hordeum pusillum)

little bluestem (Schizachyrium scoparium var. scoparium)

little goblin moonwort (Botrychium mormo)

littleleaf linden (Tilia cordata)

littleleaf pussytoes (Antennaria microphylla)

live-forever (Hylotelephium telephium)

liverleaf wintergreen (Pyrola asarifolia ssp. asarifolia)

Loesel’s twayblade (Liparis loeselii)

Lombardy poplar (Populus nigra)

London planetree (Platanus × hispanica)

long-bearded hawkweed (Hieracium longipilum)

long-headed coneflower (Ratibida columnifera)

long-leaved bluet (Houstonia longifolia)

long-leaved chickweed (Stellaria longifolia)

long-leaved pondweed (Potamogeton nodosus)

long-spine sandbur (Cenchrus longispinus)

long-spurred violet (Viola rostrata)

long-stalk sedge (Carex pedunculata)

long-stalked panic grass (Dichanthelium perlongum)

long-stalked starwort (Stellaria longipes ssp. longipes)

longbract frog orchid (Dactylorhiza viridis)

longflower beeblossom (Gaura longiflora)

longleaf arnica (Arnica lonchophylla)

lotus milkvetch (Astragalus lotiflorus)

Louisiana bladderpod (Physaria ludoviciana)

Louisiana broomrape (Orobanche ludoviciana ssp. ludoviciana)

low bindweed (Calystegia spithamaea)

low serviceberry (Amelanchier humilis)

lowbush blueberry (Vaccinium angustifolium)

lowland rotala (Rotala ramosior)

luminous moss (Schistostega pennata)

lyre-leaved rock cress (Arabidopsis lyrata ssp. lyrata)

     
M
   

Macoun’s buttercup (Ranunculus macounii)

Macoun’s cudweed (Pseudognaphalium macounii)

Macoun’s fringed gentian (Gentianopsis virgata ssp. macounii)

Macoun’s reedgrass (Calamagrostis canadensis var. macouniana)

maiden pink (Dianthus deltoides)

maidenhair spleenwort (Asplenium trichomanes ssp. trichomanes)

Manchurian pear (Pyrus ussuriensis)

many-headed sedge (Carex sychnocephala)

manyflowered aster (Symphyotrichum ericoides var. pansum)

mapleleaf goosefoot (Chenopodium simplex)

marbleseed (Lithospermum sp.)

marijuana (Cannabis indica)

marijuana (Cannabis sativa)

marsh arrow-grass (Triglochin palustris)

marsh bellflower (Campanula aparinoides)

marsh bellflower (Campanula aparinoides var. aparinoides)

marsh bellflower (Campanula aparinoides var. grandiflora)

marsh blue violet (Viola cucullata)

marsh cinquefoil (Comarum palustre)

marsh grass of Parnassus (Parnassia palustris)

marsh hedge nettle (Stachys palustris)

marsh horsetail (Equisetum palustre)

marsh muhly (Muhlenbergia racemosa)

marsh skullcap (Scutellaria galericulata)

marsh vetchling (Lathyrus palustris)

Maryland black snakeroot (Sanicula marilandica)

mat muhly (Muhlenbergia richardsonis)

mat vetch (Vicia americana ssp. minor)

matricary grapefern (Botrychium matricariifolium)

Maximilian’s sunflower (Helianthus maximilianii)

May-apple (Podophyllum peltatum)

McCalla’s willow (Salix maccalliana)

Mead’s sedge (Carex meadii)

meadow garlic (Allium canadense var. canadense)

meadow geranium (Geranium pratense)

meadow hawkweed (Hieracium caespitosum)

meadow horsetail (Equisetum pratense)

meadow salsify (Tragopogon pratensis)

Mexican dock (Rumex triangulivalvis)

Michaux’s sedge (Carex michauxiana)

Michigan lily (Lilium michiganense)

Mingan moonwort (Botrychium minganense)

Minnesota dwarf trout lily (Erythronium propullans)

Minnesota wildrye (Elymus diversiglumis)

mint-leaved bergamot (Monarda fistulosa var. menthifolia)

Missouri dewberry (Rubus missouricus)

Missouri goldenrod (Solidago missouriensis)

Missouri gooseberry (Ribes missouriense)

Missouri milkvetch (Astragalus missouriensis var. missouriensis)

money plant (Lunaria annua)

moor rush (Juncus stygius var. americanus)

mophead hydrangea (Hydrangea macrophylla)

Morrow’s honeysuckle (Lonicera morrowii)

moschatel (Adoxa moschatellina)

moss phlox (Phlox subulata ssp. subulata)

moth mullein (Verbascum blattaria)

mountain alder (Alnus viridis ssp. crispa)

mountain blackberry (Rubus ablatus)

mountain blue-eyed grass (Sisyrinchium montanum var. montanum)

mountain death camas (Anticlea elegans)

mountain death camas (Anticlea elegans var. elegans)

mountain death camas (Anticlea elegans var. glaucus)

mountain juneberry (Amelanchier bartramiana)

mountain maple (Acer spicatum)

mouse-ear chickweed (Cerastium fontanum ssp. vulgare)

mouse-ear cress (Arabidopsis thaliana)

mouse-ear hawkweed (Pilosella officinarum)

mugwort (Artemisia vulgaris)

Muhlenberg’s sedge (Carex muehlenbergii)

Muhlenberg’s sedge (Carex muehlenbergii var. enervis)

Muhlenberg’s sedge (Carex muehlenbergii var. muehlenbergii)

musk thistle (Carduus nutans)

musk thistle (Carduus nutans ssp. leiophyllus)

musk thistle (Carduus nutans ssp. macrocephalus)

musk thistle (Carduus nutans ssp. macrolepis)

Muskingum sedge (Carex muskingumensis)

     
N
   

naked miterwort (Mitella nuda)

nannyberry (Viburnum lentago)

narrow mushroom-headed liverwort (Preissia quadrata)

narrow triangle moonwort (Botrychium lanceolatum ssp. angustisegmentum)

narrow-leaved blue-eyed-grass (Sisyrinchium angustifolium)

narrow-leaved cattail (Typha angustifolia)

narrow-leaved four o’clock (Mirabilis linearis)

narrow-leaved hawk’s-beard (Crepis tectorum)

narrow-leaved hawkweed (Hieracium umbellatum)

narrow-leaved meadowsweet (Spiraea alba var. alba)

narrow-leaved milkweed (Asclepias stenophylla))

narrow-leaved mountain mint (Pycnanthemum tenuifolium)

narrow-leaved pinweed (Lechea tenuifolia)

narrow-leaved purple coneflower (Echinacea angustifolia)

narrow-leaved vervain (Verbena simplex)

narrow-leaved water plantain (Alisma gramineum)

narrow-leaved wild leek (Allium tricoccum var. burdickii)

narrow-leaved willow herb (Epilobium leptophyllum)

narrow-panicle rush (Juncus brevicaudatus)

narrowleaf cow wheat (Melampyrum lineare)

narrowleaf cow wheat (Melampyrum lineare var. latifolium)

narrowleaf cow wheat (Melampyrum lineare var. lineare)

necklace sedge (Carex ormostachya)

neckweed (Veronica peregrina ssp. peregrina)

needleleaf sedge (Carex duriuscula)

needle-and-thread (Hesperostipa comata ssp. comata)

needle-tip blue-eyed-grass (Sisyrinchium mucronatum)

nerveless woodland sedge (Carex leptonervia)

New England aster (Symphyotrichum novae-angliae)

New Jersey tea (Ceanothus americanus)

night-flowering catchfly (Silene noctiflora)

nimblewill (Muhlenbergia schreberi)

nodding bur marigold (Bidens cernua)

nodding chickweed (Cerastium nutans)

nodding fescue (Festuca subverticillata)

nodding ladies’ tresses (Spiranthes cernua)

nodding sedge (Carex gynandra)

nodding spurge (Euphorbia nutans)

nodding trillium (Trillium cernuum)

nodding wild onion (Allium cernuum var. cernuum)

North American common reed (Phragmites australis ssp. americanus)

northern adder’s tongue (Ophioglossum pusillum)

northern arrowwood (Viburnum recognitum)

northern bedstraw (Galium boreale)

northern beech fern (Phegopteris connectilis)

northern black currant (Ribes hudsonianum)

northern blue flag (Iris versicolor)

northern bog aster (Symphyotrichum boreale)

northern bog bedstraw (Galium labradoricum)

northern bog goldenrod (Solidago uliginosa)

northern bog violet (Viola nephrophylla)

northern bugleweed (Lycopus uniflorus var. uniflorus)

northern bush-honeysuckle (Diervilla lonicera)

northern catalpa (Catalpa speciosa)

northern dewberry (Rubus flagellaris)

northern evening primrose (Oenothera parviflora)

northern green orchid (Platanthera aquilonis)

northern green rush (Juncus alpinoarticulatus)

northern hackberry (Celtis occidentalis)

northern lady fern (Athyrium filix-femina ssp. angustum)

northern maidenhair (Adiantum pedatum)

northern mountain ash (Sorbus decora)

northern oak fern (Gymnocarpium robertianum)

northern pin oak (Quercus ellipsoidalis)

northern plains blazing star (Liatris ligulistylis)

northern prickly ash (Zanthoxylum americanum)

northern red oak (Quercus rubra)

northern reed grass (Calamagrostis stricta ssp. inexpansa)

northern running-pine (Diphasiastrum complanatum)

northern sagewort (Artemisia borealis)

northern St. Johnswort (Hypericum boreale)

northern shagbark hickory (Carya ovata)

northern shorthusk (Brachyelytrum aristosum)

northern singlespike sedge (Carex scirpoidea ssp. scirpoidea)

northern small yellow lady’s slipper (Cypripedium parviflorum var. makasin)

northern spikemoss (Selaginella selaginoides)

northern water plantain (Alisma triviale)

northern water-milfoil (Myriophyllum sibiricum)

northern white cedar (Thuja occidentalis)

northern wild comfrey (Cynoglossum virginianum var. boreale)

northern wild rice (Zizania palustris var. interior)

northern wild rice (Zizania palustris var. palustris)

northern willow herb (Epilobium ciliatum ssp. glandulosum)

northern winter cress (Barbarea orthoceras)

northern yellow-eyed grass (Xyris montana)

northwest cinquefoil (Potentilla gracilis var. fastigiata)

northwestern lady fern (Athyrium filix-femina ssp. cyclosorum)

Norway maple (Acer platanoides)

Norway spruce (Picea abies)

Norwegian whitlowgrass (Draba norvegica var. norvegica)

Nuttall’s alkali grass (Puccinellia nuttalliana)

Nuttall’s evening primrose (Oenothera nuttallii)

Nuttall’s little rose (Chamaerhodos erecta ssp. nuttallii)

Nuttall’s violet (Viola nuttallii)

     
O
   

Oakes’ pondweed (Potamogeton oakesianus)

oakleaf goosefoot (Chenopodium glaucum)

obedient plant (Physostegia virginiana)

obedient plant (Physostegia virginiana ssp. praemorsa)

obedient plant (Physostegia virginiana ssp. virginiana)

Ohio buckeye (Aesculus glabra var. glabra)

Ohio spiderwort (Tradescantia ohiensis)

oldfield blackberry (Rubus alumnus)

one-cone clubmoss (Lycopodium lagopus)

one-flowered broomrape (Orobanche uniflora)

one-flowered pyrola (Moneses uniflora)

one-sided wintergreen (Orthilia secunda)

onerow yellowcress (Rorippa microphylla)

Ontario aster (Symphyotrichum ontarionis)

orange daylily (Hemerocallis fulva)

orange hawkweed (Pilosella aurantiaca)

orchard grass (Dactylis glomerata ssp. glomerata)

oregano (Origanum vulgare)

Oregon woodsia (Woodsia oregana ssp. cathcartiana)

Oriental bittersweet (Celastrus orbiculatus)

ostrich fern (Matteuccia struthiopteris var. pensylvanica)

oval-headed sedge (Carex cephalophora)

oval-leaf milkweed (Asclepias ovalifolia)

owlfruit sedge (Carex stipata var. stipata)

oxeye daisy (Leucanthemum vulgare)

     
P
   

pagoda dogwood (Cornus alternifolia)

pale agoseris (Agoseris glauca var. glauca)

pale bastard toadflax (Comandra umbellata ssp. pallida)

pale bulrush (Scirpus pallidus)

pale corydalis (Capnoides sempervirens)

pale dock (Rumex altissimus)

pale false mannagrass (Torreyochloa pallida var. pallida)

pale green orchid (Platanthera flava var. herbiola)

pale Indian plantain (Arnoglossum atriplicifolium)

pale moonwort (Botrychium pallidum)

pale St. Johnswort (Hypericum ellipticum)

pale sedge (Carex pallescens)

pale touch-me-not (Impatiens pallida)

paleleaf woodland sunflower (Helianthus strumosus)

palespike lobelia (Lobelia spicata)

palespike lobelia (Lobelia spicata var. hirtella)

palespike lobelia (Lobelia spicata var. spicata)

palespike lobelia (Lobelia spicata var. spicata f. campanulata)

palmate sweet coltsfoot (Petasites frigidus var. palmatus)

panicled bulrush (Scirpus microcarpus)

paper birch (Betula papyrifera var. papyrifera)

paradise apple (Malus pumila)

Parlin’s pussytoes (Antennaria parlinii)

Parlin’s pussytoes (Antennaria parlinii ssp. fallax)

Parlin’s pussytoes (Antennaria parlinii ssp. parlinii)

path rush (Juncus tenuis)

peachleaf willow (Salix amygdaloides)

pearl millet (Pennisetum glaucum)

pearly everlasting (Anaphalis margaritacea)

Pennsylvania bitter-cress (Cardamine pensylvanica)

Pennsylvania buttercup (Ranunculus pensylvanicus)

Pennsylvania cinquefoil (Potentilla pensylvanica)

Pennsylvania clubmoss (Lycopodium hickeyi)

Pennsylvania pellitory (Parietaria pensylvanica)

Pennsylvania sedge (Carex pensylvanica)

Pennsylvania smartweed (Persicaria pensylvanica)

peppermint (Mentha x piperita)

perennial evening primrose (Oenothera perennis)

Philadelphia fleabane (Erigeron philadelphicus var. philadelphicus)

pin cherry (Prunus pensylvanica)

pineapple-weed (Matricaria discoidea)

pinesap (Monotropa hypopitys)

pink lady’s slipper (Cypripedium acaule)

pipsissewa (Chimaphila umbellata ssp. cisatlantica)

plains blackberry (Rubus ablatus)

plains bluegrass (Poa arida)

plains coreopsis (Coreopsis tinctoria var. tinctoria)

plains cottonwood (Populus deltoides ssp. molinifera)

plains muhly (Muhlenbergia cuspidata)

plains prickly pear (Opuntia macrorhiza)

plains reed grass (Calamagrostis montanensis)

plains snake-cotton (Froelichia floridana var. campestris)

plains wild indigo (Baptisia bracteata var. leucophaea)

plait-leaf dewberry (Rubus plicatifolius)

plantain-leaved pussytoes (Antennaria plantaginifolia)

pleated gentian (Gentiana affinis)

plumeless thistle (Carduus acanthoides)

plumleaf crabapple (Malus prunifolia)

pointed broom sedge (Carex scoparia)

pointed-leaved tick-trefoil (Desmodium glutinosum)

poison hemlock (Conium maculatum)

poison sumac (Toxicodendron vernix)

poke milkweed (Asclepias exaltata)

ponderosa pine (Pinus ponderosa)

porcupine grass (Hesperostipa spartea)

porcupine sedge (Carex hystericina)

potato dwarfdandelion (Krigia dandelion)

Powell’s amaranth (Amaranthus powellii)

prairie alumroot (Heuchera richardsonii)

prairie blazing star (Liatris pycnostachya var. pycnostachya)

prairie blue-eyed grass (Sisyrinchium campestre)

prairie bush clover (Lespedeza leptostachya)

prairie buttercup (Ranunculus rhomboideus)

prairie cordgrass (Spartina pectinata)

prairie coreopsis (Coreopsis palmata)

prairie crabapple (Malus ioensis)

prairie dock (Silphium terebinthinaceum var. terebinthinaceum)

prairie dropseed (Sporobolus heterolepis)

prairie false dandelion (Nothocalais cuspidata)

prairie fleabane (Erigeron strigosus)

prairie fleabane (Erigeron strigosus var. septentrionalis)

prairie fleabane (Erigeron strigosus var. strigosus)

prairie goldenrod (Solidago ptarmicoides)

prairie groundsel (Packera plattensis)

prairie ironweed (Vernonia fasciculata)

prairie ironweed (Vernonia fasciculata ssp. fasciculata)

prairie larkspur (Delphinium carolinianum ssp. virescens)

prairie lettuce (Lactuca ludoviciana)

prairie milkvetch (Astragalus laxmannii var. robustior)

prairie milkweed (Asclepias hirtella)

prairie moonwort (Botrychium campestre)

prairie onion (Allium stellatum)

prairie parsley (Polytaenia nuttallii)

prairie peppergrass (Lepidium densiflorum)

prairie peppergrass (Lepidium densiflorum var. densiflorum)

prairie pinweed (Lechea stricta)

prairie rose (Rosa arkansana)

prairie rose (Rosa arkansana var. arkansana)

prairie rose (Rosa arkansana var. suffulta)

prairie sagewort (Artemisia frigida)

prairie sandreed (Calamovilfa longifolia var. longifolia)

prairie sedge (Carex prairea)

prairie shooting star (Primula meadia)

prairie smoke (Geum triflorum var. triflorum)

prairie spiderwort (Tradescantia occidentalis var. occidentalis)

prairie sunflower (Helianthus petiolaris ssp. petiolaris)

prairie thermopsis (Thermopsis rhombifolia)

prairie turnip (Pediomelum esculentum)

prairie violet (Viola pedatifida var. pedatifida)

prairie wedge grass (Sphenopholis obtusata)

prairie willow (Salix humilis)

prairie willow (Salix humilis var. humilis)

prairie willow (Salix humilis var. tristis)

prickly lettuce (Lactuca serriola)

prickly quill sedge (Carex echinodes)

prickly rose (Rosa acicularis ssp. sayi)

prickly Russian thistle (Salsola tragus)

prickly sow thistle (Sonchus asper)

prostrate knotweed (Polygonum aviculare)

purple avens (Geum rivale)

purple cress (Cardamine douglasii)

purple false foxglove (Agalinis purpurea var. purpurea)

purple giant hyssop (Agastache scrophulariifolia)

purple locoweed (Oxytropis lambertii var. lambertii)

purple loosestrife (Lythrum salicaria)

purple lovegrass (Eragrostis spectabilis)

purple meadow parsnip (Thaspium trifoliatum)

purple milkweed (Asclepias purpurascens)

purple pitcherplant (Sarracenia purpurea ssp. purpurea)

purple prairie clover (Dalea purpurea var. purpurea)

purple rattlesnake root (Nabalus racemosus)

purple rocket (Iodanthus pinnatifidus)

purple sand grass (Triplasis purpurea)

purple-head sneezeweed (Helenium flexuosum)

purple-leaf willow herb (Epilobium coloratum)

purple-stem angelica (Angelica atropurpurea)

purple-stem aster (Symphyotrichum puniceum var. puniceum)

purple-stem beggarticks (Bidens connata)

purpletop tridens (Tridens flavus var. flavus)

pussy willow (Salix discolor)

puttyroot (Aplectrum hyemale)

     
Q
   

quackgrass (Elymus repens)

quaking aspen (Populus tremuloides)

Quebec hawthorn (Crataegus submollis)

Queen Anne’s lace (Daucus carota ssp. carota)

quill sedge (Carex tenera)

quill spikerush (Eleocharis nitida)

     
R
   

rabbit’s foot clover (Trifolium arvense)

rabbit-tobacco (Pseudognaphalium obtusifolium)

ragged fringed orchid (Platanthera lacera)

ram’s head lady’s slipper (Cypripedium arietinum)

rattlesnake fern (Botrypus virginianus)

rattlesnake mannagrass (Glyceria canadensis)

rattlesnake master (Eryngium yuccifolium var. yuccifolium)

recurved blackberry (Rubus recurvans)

red baneberry (Actaea rubra ssp. rubra)

red clover (Trifolium pratense)

red elderberry (Sambucus racemosa var. racemosa)

red goosefoot (Chenopodium rubrum)

red hickory (Carya ovalis)

red maple (Acer rubrum var. rubrum)

red mulberry (Morus rubra)

red osier dogwood (Cornus sericea ssp. sericea)

red pine (Pinus resinosa)

red saltwort (Salicornia rubra)

red sorrel (Rumex acetosella)

red three-awn (Aristida purpurea var. longiseta)

red-seeded dandelion (Taraxacum erythrospermum)

redroot amaranth (Amaranthus retroflexus)

redtop (Agrostis gigantea)

redwhisker clammyweed (Polanisia dodecandra ssp. dodecandra)

reed canary grass (Phalaris arundinacea)

rhombic evening primrose (Oenothera rhombipetala)

rhubarb (Rheum rhabarbarum)

rice cutgrass (Leersia oryzoides)

Richardson’s pondweed (Potamogeton richardsonii)

Richardson’s tansy mustard (Descurainia incana)

Riddell’s goldenrod (Oligoneuron riddellii)

ridge-seeded spurge (Euphorbia glyptosperma)

rigid sedge (Carex tetanica)

river birch (Betula nigra)

river bulrush (Bolboschoenus fluviatilis)

roadside agrimony (Agrimonia striata)

roadside pepperweed (Lepidium ruderale)

Robert’s geranium (Geranium robertianum)

Robin’s plantain (Erigeron pulchellus)

Robin’s plantain (Erigeron pulchellus var. pulchellus)

Robbins' pondweed (Potamogeton robbinsii)

robust toothcup (Ammannia robusta)

rock clubmoss (Huperzia porophila)

rock elm (Ulmus thomasii)

rock sandwort (Minuartia dawsonensis)

rock spikemoss (Selaginella rupestris)

rock whitlow-grass (Draba arabisans)

Rocky Mountain Douglas-fir (Pseudotsuga menziesii var. glauca)

rope dodder (Cuscuta glomerata)

rose blackberry (Rubus rosa)

rose pogonia (Pogonia ophioglossoides)

rose twisted-stalk (Streptopus lanceolatus var. longipipes)

Ross’ sedge (Carex rossii)

rosy sedge (Carex rosea)

rough avens (Geum laciniatum)

rough barnyard grass (Echinochloa muricata)

rough barnyard grass (Echinochloa muricata var. microstachya)

rough barnyard grass (Echinochloa muricata var. muricata)

rough bedstraw (Galium asprellum)

rough bentgrass (Agrostis scabra)

rough blazing star (Liatris aspera)

rough blazing star (Liatris aspera var. aspera)

rough blazing star (Liatris aspera var. aspera f. benkei)

rough blazing star (Liatris aspera var. intermedia)

rough bugleweed (Lycopus asper)

rough cinquefoil (Potentilla norvegica)

rough cocklebur (Xanthium strumarium)

rough false foxglove (Agalinis aspera)

rough false pennyroyal (Hedeoma hispida)

rough hawkweed (Hieracium scabrum)

rough rattlesnake root (Nabalus asper)

rough-fruit amaranth (Amaranthus tuberculatus)

rough-fruited cinquefoil (Potentilla recta)

rough-fruited fairybells (Prosartes trachycarpa)

rough-leaved goldenrod (Solidago patula)

rough-leaved hawthorn (Crataegus scabrida)

rough-seeded fameflower (Talinum rugospermum)

roughleaf ricegrass (Oryzopsis asperifolia)

roughseed clammyweed (Polanisia dodecandra)

round-headed bush clover (Lespedeza capitata)

round-leaved dogwood (Cornus rugosa)

round-leaved mallow (Malva rotundifolia)

round-leaved sundew (Drosera rotundifolia)

round-lobed hepatica (Anemone americana)

roundleaf greenbrier (Smilax rotundifolia)

roundleaf orchid (Galearis rotundifolia)

roundleaf serviceberry (Amelanchier sanguinea)

roundstem false foxglove (Agalinis gattingeri)

royal fern (Osmunda regalis var. spectabilis)

rue anemone (Thalictrum thalictroides)

running clubmoss (Lycopodium clavatum)

rush skeletonplant (Lygodesmia juncea)

russet buffaloberry (Shepherdia canadensis)

Russian olive (Elaeagnus angustifolia)

rusty woodsia (Woodsia ilvensis)

Rydberg’s sunflower (Helianthus nuttallii ssp. rydbergii)

     
S
   

sage-leaved willow (Salix candida)

St. Lawrence bladderfern (Cystopteris laurentiana)

St. Lawrence grapefern (Botrychium rugulosum)

salebrosa goldenrod (Solidago canadensis var. salebrosa)

sand cherry (Prunus pumila)

sand dropseed (Sporobolus cryptandrus)

sandbar willow (Salix interior)

sandyseed clammyweed (Polanisia dodecandra ssp. trachysperma)

Sartwell’s sedge (Carex sartwellii)

satiny willow (Salix pellita)

sawtooth sunflower (Helianthus grosseserratus)

sawtooth wormwood (Artemisia serrata)

scarlet beeblossom (Gaura coccinea)

scarlet hawthorn (Crataegus coccinea)

scarlet Indian paintbrush (Castilleja coccinea)

scarlet Indian paintbrush (Castilleja coccinea f. coccinea)

scarlet Indian paintbrush (Castilleja coccinea f. lutescens)

scarlet toothcup (Ammannia coccinea)

Scotch false asphodel (Tofieldia pusilla)

Scotch pine (Pinus sylvestris)

Scouler’s popcorn flower (Plagiobothrys scouleri)

scouring rush horsetail (Equisetum hyemale var. affine)

scrambled eggs (Corydalis aurea ssp. aurea)

scratchgrass (Muhlenbergia asperifolia)

Scribner’s panic grass (Dichanthelium oligosanthes ssp. scribnerianum)

seaside arrowgrass (Triglochin maritima)

seaside three-awn (Aristida tuberculosa)

Seneca snakeroot (Polygala senega)

sensitive fern (Onoclea sensibilis)

serviceberry (Amelanchier sp.)

sessile-fruited arrowhead (Sagittaria rigida)

setose blackberry (Rubus groutianus)

sharp-lobed hepatica (Anemone acutiloba)

sharp-toothed blackberry (Rubus acridens)

shepherd’s purse (Capsella bursa-pastoris)

Sherard’s waterhorehound (Lycopus X sherardii)

shining bedstraw (Galium concinnum)

shining clubmoss (Huperzia lucidula)

shining willow (Salix lucida ssp. lucida)

short ray fleabane (Erigeron lonchophyllus)

Short’s aster (Symphyotrichum shortii)

Short’s rockcress (Boechera dentata)

short-awned foxtail (Alopecurus aequalis)

shortbeak sedge (Carex brevior)

shorthair goldenrod (Solidago altissima ssp. gilvocanescens)

showy blue lettuce (Lactuca tatarica ssp. pulchella)

showy goldenrod (Solidago speciosa)

showy goldenrod (Solidago speciosa ssp. speciosa)

showy goldenrod (Solidago speciosa var. rigidiuscula)

showy goldenrod (Solidago speciosa var. speciosa)

showy lady’s slipper (Cypripedium reginae)

showy milkweed (Asclepias speciosa)

showy orchis (Galearis spectabilis)

showy partridge pea (Chamaecrista fasciculata var. fasciculata)

shrubby cinquefoil (Dasiphora fruticosa ssp. floribunda)

shy wallflower (Erysimum inconspicuum var. inconspicuum)

Siberian cranesbill (Geranium sibiricum)

Siberian elm (Ulmus pumila)

Siberian larch (Larix sibirica)

Siberian peashrub (Caragana arborescens)

Siberian squill (Scilla siberica)

sicklepod (Boechera canadensis)

sideoats grama (Bouteloua curtipendula var. curtipendula)

silky aster (Symphyotrichum sericeum)

silky dogwood (Cornus amomum ssp. obliqua)

silky prairie clover (Dalea villosa var. villosa)

silky wild rye (Elymus villosus)

silver buffaloberry (Shepherdia argentea)

silver false spleenwort (Deparia acrostichoides)

silver maple (Acer saccharinum)

silverberry (Elaeagnus commutata)

silvergreen bryum moss (Bryum argenteum)

silverleaf grape (Vitis aestivalis var. bicolor)

silverleaf scurfpea (Pediomelum argophyllum)

silverweed (Argentina anserina)

silvery cinquefoil (Potentilla argentea)

skunk cabbage (Symplocarpus foetidus)

sky-blue aster (Symphyotrichum oolentangiense var. oolentangiense)

sleepy catchfly (Silene antirrhina)

slender beardtongue (Penstemon gracilis var. gracilis)

slender cinquefoil (Potentilla gracilis)

slender corydalis (Corydalis micrantha ssp. micrantha)

slender dayflower (Commelina erecta)

slender plantain (Plantago elongata)

slender Russian thistle (Salsola collina)

slender waternymph (Najas gracillima)

slender wheatgrass (Elymus trachycaulus)

slender wheatgrass (Elymus trachycaulus ssp. trachycaulus)

slender willow (Salix petiolaris)

slender-leaf false foxglove (Agalinis tenuifolia)

slenderleaf sundew (Drosera linearis)

slim-stem reedgrass (Calamagrostis stricta)

slim-stem reedgrass (Calamagrostis stricta ssp. stricta)

slimspike three-awn (Aristida longespica var. geniculata)

slippery elm (Ulmus rubra)

small beggarticks (Bidens discoidea)

small cranberry (Vaccinium oxycoccos)

small green wood orchid (Gymnadeniopsis clavellata)

small pondweed (Potamogeton pusillus)

small pondweed (Potamogeton pusillus ssp. pusillus)

small pondweed (Potamogeton pusillus ssp. tenuissimus)

small purple fringed orchid (Platanthera psycodes)

small tumbleweed mustard (Sisymbrium loeselii)

small white lady’s slipper (Cypripedium candidum)

small white violet (Viola macloskeyi ssp. pallens)

small yellow water crowfoot (Ranunculus gmelinii)

small-flowered false foxglove (Agalinis purpurea var. paupercula)

small-flowered forget-me-not (Myosotis laxa)

small-flowered woodrush (Luzula parviflora)

small-leaved pussytoes (Antennaria parvifolia)

small-spike false nettle (Boehmeria cylindrica)

smallflower columbine (Aquilegia brevistyla)

smallflower grass of Parnassus (Parnassia palustris var. parviflora)

smooth blackberry (Rubus canadensis)

smooth blue aster (Symphyotrichum laeve)

smooth blue aster (Symphyotrichum laeve var. laeve)

smooth brome (Bromus inermis)

smooth carrionflower (Smilax herbacea)

smooth crabgrass (Digitaria ischaemum)

smooth forked nail-wort (Paronychia canadensis)

smooth hedge nettle (Stachys tenuifolia)

smooth rock cress (Boechera laevigata var. laevigata)

smooth rose (Rosa blanda var. blanda)

smooth sawgrass (Cladium mariscoides)

smooth scouring rush (Equisetum laevigatum)

smooth serviceberry (Amelanchier laevis)

smooth Solomon’s seal (Polygonatum biflorum var. commutatum)

smooth sumac (Rhus glabra)

smooth woodsia (Woodsia glabella)

smooth yellow violet (Viola pubescens var. scabriuscula)

smooth-sheathed sedge (Carex laevivaginata)

snailseed pondweed (Potamogeton bicupulatus)

snakeskin liverwort (Conocephalum conicum)

snow trillium (Trillium nivale)

snowline wintergreen (Pyrola minor)

snowy campion (Silene nivea)

soft agrimony (Agrimonia pubescens)

soft fox sedge (Carex conjuncta)

soft wild bergamot (Monarda fistulosa var. mollis)

soft-stem bulrush (Schoenoplectus tabernaemontani)

softhair marbleseed (Lithospermum parviflorum)

solidstem burnet saxifrage (Pimpinella saxifraga ssp. saxifraga)

sooty beak-rush (Rhynchospora fusca)

southern blue flag (Iris virginica var. shrevei)

southern yellow wood sorrel (Oxalis dillenii)

spatulate moonwort (Botrychium spathulatum)

spearmint (Mentha spicata)

spearwort (Ranunculus flammula var. ovalis)

spearwort (Ranunculus flammula var. reptans)

speckled alder (Alnus incana ssp. rugosa)

sphagnum blackberry (Rubus spectatus)

sphagnum moss (Sphagnum sp.)

spicate serviceberry (Amelanchier spicata)

spike trisetum (Trisetum spicatum)

spiked muhly (Muhlenbergia glomerata)

spikeoat (Avenula hookeri)

spikerush (Eleocharis sp.)

spineless hornwort (Ceratophyllum echinatum)

spinulose wood fern (Dryopteris carthusiana)

spiral ditchgrass (Ruppia cirrhosa)

split-lip hempnettle (Galeopsis bifida)

spoonleaf sundew (Drosera intermedia)

spotted coralroot (Corallorhiza maculata)

spotted coralroot (Corallorhiza maculata var. maculata)

spotted Joe Pye weed (Eutrochium maculatum)

spotted Joe Pye weed (Eutrochium maculatum var. bruneri)

spotted Joe Pye weed (Eutrochium maculatum var. foliosum)

spotted Joe Pye weed (Eutrochium maculatum var. maculatum)

spotted knapweed (Centaurea stoebe ssp. micranthos)

spotted lady’s thumb (Persicaria maculosa)

spotted pondweed (Potamogeton pulcher)

spotted St. Johnswort (Hypericum punctatum)

spotted spurge (Euphorbia maculata)

spotted touch-me-not (Impatiens capensis)

spotted water hemlock (Cicuta maculata)

spotted water hemlock (Cicuta maculata var. angustifolia)

spreading dogbane (Apocynum androsaemifolium)

spreading sedge (Carex laxiculmis var. copulata)

spreading yellowcress (Rorippa sinuata)

spreadingpod rockcress (Boechera grahamii)

Sprengel’s sedge (Carex sprengelii)

spring cress (Cardamine bulbosa)

spring whitlowgrass (Draba verna)

squashberry (Viburnum edule)

squirrel corn (Dicentra canadensis)

staghorn sumac (Rhus typhina)

stalked bulrush (Scirpus pedicellatus)

Standley’s goosefoot (Chenopodium standleyanum)

star sedge (Carex echinata ssp. echinata)

starry campion (Silene stellata)

starry false Solomon’s seal (Maianthemum stellatum)

Steel’s dewberry (Rubus steelei)

steeplebush (Spiraea tomentosa)

sterile sedge (Carex sterilis)

stickseed (Hackelia sp.)

sticky false asphodel (Triantha glutinosa)

sticky locoweed (Oxytropis borealis var. viscida)

stiff clubmoss (Lycopodium annotinum)

stiff cowbane (Oxypolis rigidior)

stiff gentian (Gentianella quinquefolia ssp. occidentalis)

stiff goldenrod (Solidago rigida)

stiff goldenrod (Solidago rigida ssp. humilis)

stiff goldenrod (Solidago rigida ssp. rigida)

stiff sunflower (Helianthus pauciflorus)

stiff sunflower (Helianthus pauciflorus ssp. pauciflorus)

stiff sunflower (Helianthus pauciflorus ssp. subrhomboideus)

stiffleaf false golden aster (Heterotheca stenophylla var. angustifolia)

stiffstem flax (Linum rigidum)

stinging nettle (Urtica dioica ssp. gracilis)

straight-leaved pondweed (Potamogeton strictifolius)

strawberry clover (Trifolium fragiferum)

streamside fleabane (Erigeron glabellus var. pubescens)

striped coralroot (Corallorhiza striata var. striata)

sugar maple (Acer saccharum)

sugar maple (Acer saccharum ssp. saccharum)

Sullivant’s coolwort (Sullivantia sullivantii)

Sullivant’s milkweed (Asclepias sullivantii)

sunbright (Phemeranthus parviflorus)

sundial lupine (Lupinus perennis var. perennis)

sun-loving sedge (Carex inops ssp. heliophila)

superior blackberry (Rubus superioris)

swamp betony (Pedicularis lanceolata)

swamp black currant (Ribes lacustre)

swamp blackberry (Rubus semisetosus)

swamp buttercup (Ranunculus fascicularis)

swamp candles (Lysimachia terrestris)

swamp fly honeysuckle (Lonicera oblongifolia)

swamp loosestrife (Decodon verticillatus)

swamp milkweed (Asclepias incarnata ssp. incarnata)

swamp red currant (Ribes triste)

swamp smartweed (Persicaria hydropiperoides)

swamp thistle (Cirsium muticum)

swamp white oak (Quercus bicolor)

sweet autumn virgin’s bower (Clematis terniflora)

sweet clover (Melilotus sp.)

sweet fern (Comptonia peregrina)

sweet Joe Pye weed (Eutrochium purpureum)

sweet Joe Pye weed (Eutrochium purpureum var. purpureum)

sweet mock orange (Philadelphus coronarius)

sweet white violet (Viola blanda var. blanda)

sweet-William (Dianthus barbatus ssp. barbatus)

sweet William catchfly (Silene armeria)

sweet woodreed (Cinna arundinacea)

sweet woodruff (Galium odoratum)

switch grass (Panicum virgatum var. virgatum)

 
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tall beggarticks (Bidens vulgata)

tall bellflower (Campanulastrum americanum)

tall blackberry (Rubus frondosus)

tall blue lettuce (Lactuca biennis)

tall bluebells (Mertensia paniculata var. paniculata)

tall boneset (Eupatorium altissimum)

tall buttercup (Ranunculus acris)

tall cinquefoil (Drymocallis arguta)

tall coreopsis (Coreopsis tripteris)

tall cottongrass (Eriophorum angustifolium)

tall goldenrod (Solidago altissima ssp. altissima)

tall meadow rue (Thalictrum dasycarpum)

tall nutrush (Scleria triglomerata)

tall thimbleweed (Anemone virginiana)

tall thimbleweed (Anemone virginiana var. alba)

tall thimbleweed (Anemone virginiana var. cylindroidea)

tall thimbleweed (Anemone virginiana var. virginiana)

tall thistle (Cirsium altissimum)

tall tumble mustard (Sisymbrium altissimum)

tall white beard-tongue (Penstemon digitalis)

tamarack (Larix laricina)

tansy cinquefoil (Potentilla bipinnatifida)

tapertip flatsedge (Cyperus acuminatus)

tarragon (Artemisia dracunculus)

Tartarian honeysuckle (Lonicera tatarica)

tawny cottongrass (Eriophorum virginicum)

Tennessee bladderfern (Cystopteris tennesseensis)

textile onion (Allium textile)

thimbleberry (Rubus parviflorus)

thinleaf cottonsedge (Eriophorum viridicarinatum)

threadleaf sedge (Carex filifolia var. filifolia)

three-leaved false Solomon’s seal (Smilacina trifolia)

three-lobe beggarticks (Bidens tripartita)

three-stamened waterwort (Elatine triandra)

threepetal bedstraw (Galium trifidum ssp. trifidum)

threeway sedge (Dulichium arundinaceum var. arundinaceum)

thyme-leaf speedwell (Veronica serpyllifolia)

thyme-leaved sandmat (Euphorbia serpyllifolia)

tiger lily (Lilium lancifolium)

timothy (Phleum pratense)

tiny mousetail (Myosurus minimus)

Tolstead’s Robin’s plantain (Erigeron pulchellus var. tolsteadii)

toothed evening primrose (Oenothera serrulata)

toothed spurge (Euphorbia dentata)

Torrey’s mannagrass (Torreyochloa pallida)

Torrey’s rush (Juncus torreyi)

touch-me-not (Impatiens sp.)

tower mustard (Turritis glabra)

tree groundpine (Lycopodium dendroideum)

trianglelobe moonwort (Botrychium ascendens)

true forget-me-not (Myosotis scorpioides)

tuberous grass pink (Calopogon tuberosus var. tuberosus)

tuberous Indian plantain (Arnoglossum plantagineum)

Tuckerman’s sedge (Carex tuckermanii)

tufted hairgrass (Deschampsia cespitosa)

tufted loosestrife (Lysimachia thyrsiflora)

tufted lovegrass (Eragrostis pectinacea var. pectinacea)

tumblegrass (Schedonnardus paniculatus)

turion duckweed (Lemna turionifera)

tussock cottongrass (Eriophorum vaginatum var. spissum)

tussock sedge (Carex stricta)

twinflower (Linnaea borealis ssp. americana)

twinleaf (Jeffersonia diphylla)

twisted yelloweyed grass (Xyris torta)

two-headed water starwort (Callitriche heterophylla var. heterophylla)

twoflower dwarfdandelion (Krigia biflora)

     
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walking fern (Asplenium rhizophyllum)

warty spurge (Euphorbia spathulata)

water celery (Vallisneria Americana)

water horsetail (Equisetum fluviatile)

water liverwort (Marchantia aquatica)

water lobelia (Lobelia dortmanna)

water miner’s lettuce (Montia chamissoi)

water mudwort (Limosella aquatica)

water pepper (Persicaria hydropiper)

water plantain (Alisma sp.)

water pygmyweed (Crassula aquatica)

water smartweed (Persicaria amphibia)

water speedwell (Veronica catenata)

watermeal (Wolffia sp.)

watershield (Brasenia schreberi)

wavy hairgrass (Deschampsia flexuosa)

waxy leaf meadow rue (Thalictrum revolutum)

wavyleaf thistle (Cirsium undulatum)

weeping willow (Salix × sepulcralis)

western blue virgin’s bower (Clematis occidentalis var. occidentalis)

western bracken fern (Pteridium aquilinum var. latiusculum)

western germander (Teucrium canadense var. occidentale)

western ironweed (Vernonia fasciculata ssp. corymbosa)

western Jacob’s ladder (Polemonium occidentale ssp. lacustre)

western marbleseed (Lithospermum occidentale)

western oak fern (Gymnocarpium dryopteris)

western panic grass (Dichanthelium acuminatum var. fasciculatum)

western panicled aster (Symphyotrichum lanceolatum ssp. hesperium)

western panicled aster (Symphyotrichum lanceolatum var. hesperium)

western poison ivy (Toxicodendron rydbergii)

western prairie fringed orchid (Platanthera praeclara)

western ragweed (Ambrosia psilostachya)

western rock jasmine (Androsace occidentalis)

western sand cherry (Prunus pumila var. besseyi)

western spotted coralroot (Corallorhiza maculata var. occidentalis)

western sunflower (Helianthus occidentalis ssp. occidentalis)

western tansy mustard (Descurainia pinnata var. brachycarpa)

western wheatgrass (Pascopyrum smithii)

western white prairie clover (Dalea candida var. oligophylla)

wheat (Triticum aestivum)

wheat Sedge (Carex atherodes)

Wheeler’s blackberry (Rubus wheeleri)

white adder’s-mouth (Malaxis monophyllos var. brachypoda)

white ash (Fraxinus americana)

white avens (Geum canadense)

white baneberry (Actaea pachypoda)

white bear sedge (Carex albursina)

white bog orchid (Platanthera dilatata var. dilatata)

white campion (Silene latifolia ssp. alba)

white clover (Trifolium repens)

white doll’s daisy (Boltonia asteroides)

white doll’s daisy (Boltonia asteroides var. latisquama)

white doll’s daisy (Boltonia asteroides var. recognita)

white fir (Abies concolor)

white grass (Leersia virginica)

white heath aster (Symphyotrichum ericoides)

white heath aster (Symphyotrichum ericoides var. ericoides)

white meadowsweet (Spiraea alba)

White Mountain saxifrage (Saxifraga paniculata)

white mulberry (Morus alba)

white oak (Quercus alba)

white panicled aster (Symphyotrichum lanceolatum)

white penstemon (Penstemon albidus)

white poplar (Populus alba)

white prairie aster (Symphyotrichum falcatum)

white prairie aster (Symphyotrichum falcatum var. commutatum)

white prairie aster (Symphyotrichum falcatum var. falcatum)

white prairie clover (Dalea candida)

white prairie clover (Dalea candida var. candida)

white rattlesnake root (Nabalus albus)

white sage (Artemisia ludoviciana ssp. ludoviciana)

white snakeroot (Ageratina altissima var. altissima)

white spruce (Picea glauca)

white sweet clover (Melilotus albus)

white trout lily (Erythronium albidum)

white turtlehead (Chelone glabra)

white vervain (Verbena urticifolia)

white vervain (Verbena urticifolia var. leiocarpa)

white vervain (Verbena urticifolia var. urticifolia)

white wild indigo (Baptisia lactea var. lactea)

white willow (Salix alba)

white-flowered leaf-cup (Polymnia canadensis)

white-stemmed pondweed (Potamogeton praelongus)

whitecrack willow (Salix x rubens)

whorled loosestrife (Lysimachia quadrifolia)

whorled milkweed (Asclepias verticillata)

whorled milkwort (Polygala verticillata)

whorled nut-rush (Scleria verticillata)

Wilcox’s panic grass (Dichanthelium wilcoxianum)

wild bergamot (Monarda fistulosa)

wild bergamot (Monarda fistulosa var. fistulosa)

wild blue phlox (Phlox divaricata ssp. laphamii)

wild calla (Calla palustris)

wild chamomile (Matricaria recutita)

wild chervil (Anthriscus sylvestris)

wild chives (Allium schoenoprasum)

wild columbine (Aquilegia canadensis)

wild cucumber (Echinocystis lobata)

wild geranium (Geranium maculatum)

wild ginger (Asarum canadense)

wild grape (Vitis riparia)

wild leek (Allium tricoccum)

wild licorice (Glycyrrhiza lepidota)

wild mint (Mentha arvensis)

wild oat (Avena fatua)

wild oats (Uvularia sessilifolia)

wild parsnip (Pastinaca sativa)

wild quinine (Parthenium integrifolium)

wild radish (Raphanus raphanistrum)

wild sarsaparilla (Aralia nudicaulis)

wild sweet William (Phlox maculata ssp. maculata)

wild yam (Dioscorea villosa)

willow herb (Epilobium sp.)

winged loosestrife (Lythrum alatum var. alatum)

winged pigweed (Cycloloma atriplicifolium)

wingstem (Verbesina alternifolia)

winter bentgrass (Agrostis hyemalis)

winter cress (Barbarea vulgaris)

winter vetch (Vicia villosa ssp. villosa)

wintergreen (Gaultheria procumbens)

Wisconsin blackberry (Rubus wisconsinensis)

witch grass (Panicum capillare)

Wolf’s bluegrass (Poa wolfii)

Wolf’s spikerush (Eleocharis wolfii)

wolfberry (Symphoricarpos occidentalis)

wood anemone (Anemone quinquefolia var. quinquefolia)

wood betony (Pedicularis canadensis ssp. canadensis)

wood forget-me-not (Myosotis sylvatica)

wood lily (Lilium philadelphicum var. andinum)

wood millet (Milium effusum)

Wood’s rose (Rosa woodsii var. woodsii)

Wood’s sedge (Carex woodii)

woodbine (Parthenocissus vitacea)

woodland bluegrass (Poa sylvestris)

woodland horsetail (Equisetum sylvaticum)

woodland lettuce (Lactuca floridana var. floridana)

woodland strawberry (Fragaria vesca ssp. americana)

woodland whitlowgrass (Draba nemorosa)

wool grass (Scirpus cyperinus)

woolly beachheather (Hudsonia tomentosa)

woolly burdock (Arctium tomentosum)

woolly cinquefoil (Potentilla hippiana)

woolly cupgrass (Eriochloa villosa)

woolly groundsel (Packera cana)

woolly milkweed (Asclepias lanuginosa)

woolly plantain (Plantago patagonica)

woolly sedge (Carex pellita)

woolly-fruit sedge (Carex lasiocarpa)

worm-seed wallflower (Erysimum cheiranthoides)

woundwort (Stachys pilosa var. arenicola)

 
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