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Browse Plants by Common Name

Click on a common name to view plant details.

A

acute-leaved goosefoot American fly honeysuckle American wild mint arrow feather threeawn
African adder’s mouth American frog’s bit American wisteria arrow-leaved aster
aizoon stonecrop American germander American woodland strawberry arrow-leaved tearthumb
alder-leaved buckthorn American ginseng amethyst aster arrow-leaved violet
alfalfa American golden dock Amur corktree arugula
alga pondweed American gromwell Amur honeysuckle Ashe’s rosette grass
alkali dropseed American hart’s tongue fern Amur maple ashy cinquefoil
Allegheny buttercup, Allegheny crowfoot American hazelnut Amur plume grass, miscanthus ashy sunflower
Allegheny monkey flower American holly Amur privet Asian bush clover
Allegheny vine American ipecac Andrew’s bottle gentian Asian dayflower
alpine azalea American knotweed Andrews’s fringed orchid Asian flat sedge
alpine birch, resin birch American live forever anise Asian green dragon
alpine rush American lotus anise hyssop, fragrant giant hyssop, lavender giant hyssop Asian green-headed sedge
alpine sweet grass American manna grass aniseroot, long-styled sweet cicely Asian jumpseed
alpine willowherb American marsh pennywort annual blue grass Asian meadowsweet
alpine woodsia, alpine cliff fern American mistletoe annual canary grass Asian sand sedge
alsike clover American moonwort annual daisy fleabane Asian three-seeded Mercury, Asian copperleaf
alternate-flowered water milfoil American mountain ash annual green-headed sedge Asian wavy bitter cress
alternate-leaved butterfly bush American pennyroyal annual hair grass asparagus
alternate-leaved seed-box American plum annual hedge nettle Atlantic blue-eyed grass
ambiguous sedge American purple clematis annual peanut grass Atlantic blueberry
ambiguous spike rush American red raspberry annual pearlwort Atlantic ladies' tresses
American alumroot American reed grass, American phragmites annual saltmarsh aster Atlantic mudwort
American awlwort American saltmarsh bulrush annual wheat grass Atlantic white cedar
American basswood American scurf pea annual woolly bean auricled twayblade
American beech American sea rocket Appalachian cherry Austrian pine
American bittersweet American selfheal, American heal all Appalachian ladies’ tresses Austrian yellow cress
American brooklime American slough grass Appalachian phacelia autumn bent
American bugleweed, American water horehound American spearwort, American crowfoot Appalachian rock polypody, Appalachian polypody autumn coralroot
American bur-reed American stinging nettle Appalachian sandwort autumn fimbry
American chestnut American strawberry bush Appalachian sedge autumn olive
American common juniper, ground juniper American sweetflag Appalachian shoestring fern, Appalachian vittaria autumn water starwort
American dittany American trefoil apple rose autumn willow
American dog violet American vetch apple-of-Peru avocado
American dragonhead American wahoo appressed-leaved bog clubmoss, swamp bog clubmoss awl-fruited sedge
American elm American water smartweed arctic yellow rattle awl-leaved arrowhead
American featherfoil American water willow aristate goosefoot awned flat sedge
American field chickweed American waterwort Arkansas wild rye awnless wild rye

B

bachelor’s button big-leaved pondweed Blue Ridge golden banner British yellowhead
Back’s sedge big-toothed aspen blue rush Britton’s bush clover
backward-fruited sedge Bigelow’s bottlebrush grass blue sage Britton’s coast violet
Bailey’s sedge Bigelow’s glasswort blue sedge Britton’s oak
bald brome Bigelow’s sedge blue spruce, Colorado spruce Britton’s oak fern
bald cypress Billard’s meadowsweet blue vervain broad bean
Baldwin’s forked chickweed Billings’s sedge blue woodruff broad beech fern
Balfour’s touch-me-not Biltmore hawthorn blue-eyed Mary broad-flowered common dodder
Balkan clover bird’s foot violet blue-green wheat grass broad-leaved dock
ball mustard birthwort blue-stemmed goldenrod, wreath goldenrod broad-leaved everlasting pea
ballonvine, heartseed biting stonecrop bluebuttons broad-leaved hemp nettle
balm-of-Gilead bitter milkwort bluehearts broad-leaved meadowsweet
balsam fir bitter-sweet nightshade bluemink broad-leaved pepperweed, perennial pepper grass
balsam groundsel bitternut hickory blunt broom sedge broad-leaved rosette grass
balsam poplar Bixby’s walnut blunt spike rush broad-leaved sedge
balsam willow black alder, European alder blunt-leaved bedstraw broad-leaved speedwell
Baltic rush black ash blunt-leaved milkweed broad-leaved spurge
bamboo black bindweed blunt-leaved orchid broad-leaved winged sumac
barbed foxtail black birch blunt-leaved pondweed broad-lipped twayblade
barbed goat grass black chokeberry blunt-leaved sandwort broad-winged sedge
barber-pole bulrush black cohosh, black snakeroot, bugbane blunt-lobed woodsia, blunt-lobed cliff fern broad-winged thistle
Barratt’s sedge black creeper sedge, freeway sedge blunt-scaled false goldfields brome-like sedge
barren brome black crowberry bluntish-leaved pondweed broom brome
barren strawberry black grass bog aster broom crowberry
Bartley’s firmoss black hellebore, Christmas rose bog bilberry broom sedge
bashful ground cedar black henbane bog birch broom sedge bluestem
basil black horehound bog bulrush, ricefield bulrush broom-leaved toad flax
basil mountain mint black huckleberry bog goldenrod brown bog sedge
basil thyme, mother-of-thyme black knapweed bog huckleberry brown galingale
basilbalm black locust bog laurel brown knapweed
basket willow black maple bog muhly brown-fruited rush
basket-of-gold black medic bog rosemary brownish beak sedge
bastard cabbage black mustard bog sedge brownish sedge
bastard toad flax black nightshade bog starwort, bog stitchwort buckbean
Baxter's violet black oak bog willow buckwheat
Bayard’s adder’s mouth black poplar, Lombardy poplar bog yellow-eyed grass buffalo bur
bayberry black raspberry Bohemian knotweed buffalo nut, oilnut
bayonet rush black sedge boneset bugloss fiddleneck
beach grass black spruce Boott’s rattlesnake root bulb-bearing water hemlock
beach heather black swallowwort Boott’s wood fern bulblet fern
beach pea black walnut borage bulbous blue grass
beach pinweed black willow border forsythia bulbous buttercup, bulbous crowfoot
beach plum black-edged sedge border privet bulbous wood rush
beach sedge black-fruited clearweed boreal starwort, boreal stitchwort bull thistle
beach wormwood, dusty miller black-fruited rice grass Bosc’s rosette grass bunchberry
beaked hawk’s beard black-fruited spike rush Boston ivy bunched beak sedge
beaked hawkweed black-girdled wool grass bottle-shaped sedge bur chervil
beaked hazelnut black-seeded spear grass bottlebrush buckeye bur cucumber
beaked panic grass blackberry lily bottlebrush grass bur medic
bear’s foot blackgum, sourgum bouncing bet, common soapwort bur oak
bearberry blackhaw Bowman’s root, Indian physic bur-reed sedge
bearberry willow blackjack oak box elder, ash-leaved maple Burdick’s wild leek
bearded sprangletop blackthorn, sloe boxwood Burgess’s wood fern
Beaudry’s goldenrod bladder campion bracted yellow-eyed grass burning nettle, dog nettle
beautybush bladder sedge Bradley’s spleenwort burningbush, winged euonymus
Bebb’s sedge bladder senna Brainerd’s hawthorn burweed marsh elder
Bebb’s willow bladdernut branching centaury bush honeysuckle
Beck’s water marigold Blake’s aster Braun’s holly fern Bush’s goosefoot
bee bee tree Blake’s knotweed Braun’s violet Bush’s oak
beechdrops Blanchard’s vervain Brazilian watermeal Bush’s sedge
beefsteak plant bland sweet cicely Brazilian waterweed bushy aster
beet blessed thistle bridal-wreath meadowsweet bushy bitter cress
Benedict’s wood fern blood amaranth bristle-leaved sedge bushy bluestem
bent trillium blood milkwort bristle-stalked sedge bushy bush clover
bent-stalked speedwell bloodroot bristly black currant bushy cinquefoil
Berchtold’s pondweed bloody crane’s bill bristly blackberry bushy frostweed, bushy rock rose
Bermuda grass blue bead lily bristly buttercup, bristly crowfoot bushy knotweed
Bethlehem lungwort blue birch bristly greenbrier bushy St. John’s wort
betony blue cohosh, late blue cohosh bristly hawk’s beard butter-and-eggs, common toad flax
Bicknell’s rosette grass blue eryngo bristly locust butterbur
Bicknell’s sedge blue false indigo bristly nodding sedge butterfly flower
biennial campion blue fenugreek bristly oxtongue butterfly pea
biennial gaura blue fieldmadder bristly rose butterfly weed
biennial wormwood blue flag bristly sarsaparilla butternut
big bluestem blue forget-me-not bristly sedge butterwort
big cord grass blue grama bristly smartweed button blazing star
big quaking grass blue ground cedar bristly spiked lobelia button sedge
big-flowered coreopsis, big-flowered tickseed blue hosta bristly-fruited hedge parsley buttonbush
big-fruited Canada sanicle, big-fruited Canada snakeroot blue mistflower British Timothy buttonbush dodder
big-leaved magnolia

C

cabbage rose church mouse threeawn common greenbrier corn gromwell
cabbage, kale, collards, broccoli cinnamon fern common groundsel corn marigold
calendula, pot marigold cinnamon rose common hair grass corn speedwell
calico aster clammy goosefoot common hedge mustard corn spurry
California brome clammy ground cherry common hemp nettle cornel-leaved white aster
California gilia clammy locust common horseweed cornelian cherry
California poppy clammy rabbit tobacco common hound’s tongue Cortland avens
California privet clammy waxweed common Jack-in-the-pulpit costmary
Callery pear clasping bugleweed, clasping water horehound common Jacob’s ladder cotton batting plant
Cambridge milk parsley, little-leaved angelica clasping-leaved heliotrope common Kentucky blue grass coupled sedge
camphorweed clasping-leaved pondweed common knotweed cow parsnip
Canada anemone clasping-leaved twisted stalk, white mandarin common late purple aster cow wheat
Canada bluejoint grass Clausen’s reed grass common lilac cowbane
Canada bluets cleavers common lowbush blueberry cowherb
Canada brome Cleland’s evening primrose common lungwort cowslip
Canada buffalo berry Cleveland’s large cryptantha common marigold cranberry
Canada cocklebur climbing false buckwheat common matrimony vine cranefly orchid
Canada frostweed, Canada rock rose climbing fern, Hartford fern common milkweed Crawe’s sedge
Canada goldenrod climbing hempweed, climbing boneset common morning glory Crawford’s sedge
Canada hawkweed Clinton’s club sedge common mullein cream-colored avens
Canada lily Clinton’s wood fern common narrow-leaved pondweed creeping bellflower
Canada mayflower cloudberry common New York aster creeping bent
Canada milk vetch clover dodder common pear creeping bush clover
Canada onion club grass common periwinkle, myrtle creeping buttercup, creeping crowfoot
Canada plum cluster-headed pink common pilewort creeping cinquefoil
Canada pussytoes cluster-headed sedge common plantain creeping juniper
Canada rice grass clustered bellflower common quickweed, common galinsoga creeping lettuce
Canada rush clustered bluets common ragweed creeping love grass, teel love grass
Canada violet clustered dock common rattlebox creeping manna grass
Canada waterleaf clustered sanicle, clustered snakeroot common red maple creeping mazus
Canada waterweed clustered sedge common rest harrow creeping meadow foxtail
Canada wild rye coast barnyard grass, Walter's barnyard grass common roseroot creeping phlox
Canada yew, American yew coast tarweed common scouring rush creeping sedge
Canadian burnet coastal carrion flower common sedge creeping St. John’s wort
Canadian single-spike sedge coastal dock common shinleaf creeping thistle, Canada thistle
canna lily coastal goldfields common silverweed creeping velvet grass
Canterbury bells coastal manna grass common sneezeweed creeping yellow cress
caper bean coastal pilewort common snowberry creeping yellow wood sorrel
caper spurge, myrtle spurge, mole plant coastal plain blue-eyed grass common soft rush crested anoda
caraway coastal plain Joe Pye weed common sow thistle crested bindweed
cardinal flower coastal sandbur common speedwell crested dogtail
Carey’s sedge coastal shadbush common spike rush crested iris
Carey’s smartweed coastal silverweed common spiked lobelia crested late-summer mint
Carline thistle coastal sweet pepperbush common spikeweed crested sedge
Carolina bellwort coastal Virginia wild rye common St. John’s wort crested wheat grass
Carolina clubmoss cockspur hawthorn common star-of-Bethlehem crested wood fern
Carolina crane’s bill coffeeweed common stork’s bill crisp-leaved amaranth
Carolina foxtail coincya common sunflower crisped beefsteak plant, shiso
Carolina poplar Collins’s sedge common sweet white violet crisped bunchflower
Carolina redroot Colombian watermeal common tansy crooked-stemmed aster
Carolina sedge coltsfoot common three-seeded Mercury cross-leaved milkwort
Carolina silverbell columbo, green gentian common thyme-leaved speedwell crossflower
Carolina spring beauty comb-leaved mermaid weed common Timothy crown daisy
Carolina whitlow grass commingling loosestrife common toad rush crown vetch
carpenter’s square common agrimony common upland star sedge crowned beggar ticks
carpet bugle common alkanet common valerian, garden valerian, garden heliotrope cryptic water nymph, cryptic naiad
carpetweed common arrowhead common Venus’s looking glass Cuban copperleaf
Carruth wormwood common barberry common vetch cuckoo flower
Case’s ladies’ tresses common bird’s foot common water nymph, common naiad cucumber
castor aralia common bird’s foot trefoil common water primrose cucumber tree, cucumber magnolia
castor bean common black-eyed Susan common water starwort cucumber-leaved sunflower
Cathcart’s woodsia, Cathcart’s cliff fern common blackberry common weak blue grass cultivated apple
Catling’s avens common blanket flower common wheat cultivated barley
cattail sedge common blue violet common white snakeroot cultivated flax
Caucasus catnip common blue violet, confederate violet common wild bergamot cultivated lettuce
cedar-glade St. John’s wort common bluecurls common wild leek cultivated oats
celandine poppy common bluestar common wild strawberry cultivated onion
celery common bluets, Quaker ladies common winged sumac cultivated strawberry
chaffseed common bristly clubmoss common winterberry cultivated tobacco
chained speedwell common burnet saxifrage common witch grass Culver’s root
chair maker’s bulrush common Canada sanicle, common Canada snakeroot common wood rush cup plant
chamber bitters common carrion flower common woodland sedge curly dock, yellow dock
charlock common catnip common wool grass curly grass fern, curly grass
cheat grass, downy brome, downy chess common centaury common wormwood curly pondweed
checkered rattlesnake plantain common chickweed common wrinkle-leaved goldenrod curly-leaved yucca
cheeses, common mallow common comfrey common yarrow curlyheads, leather flower
cherry plum common coontail common yellow nut sedge curlytop gumweed
cherry silver berry common corncockle common yellow pond lily, common spatter dock cursed buttercup, cursed crowfoot
chestnut oak common cosmos common yellow wood sorrel curved style sedge
chestnut sedge common cotton rose Commons’ rosette grass curved-stemmed violet
Chewing’s fescue common crosswort compact dodder cushion spurge
chick pea common daffodil compact rush cut-leaved anemone
chicory common dandelion compass plant cut-leaved blackberry
childing pink common dodder compressed rush cut-leaved crane’s bill
China aster common duckmeal concealed sedge cut-leaved dead nettle
Chinese catalpa common duckweed concord grape cut-leaved evening primrose
Chinese chives common elderberry confused dock cut-leaved fenugreek
Chinese crab apple common evening primrose confusing tick trefoil cut-leaved germander
Chinese hound’s tongue common false fleabane connected sedge cut-leaved goldenrod
Chinese juniper common fiddleneck contorted smotherweed cut-leaved goosefoot
Chinese lantern common fig Cooper’s milk vetch cut-leaved nightshade
Chinese matrimony vine common fireberry hawthorn Copeland’s bog clubmoss cut-leaved plantain
Chinese mustard, mustard greens common flat-topped goldenrod coppery St. John’s wort cut-leaved selfheal, cut-leaved heal all
Chinese quince common fringed gentian coralberry cut-leaved teasel
Chinese wisteria common fringed sedge coriander cut-leaved toothwort
Chinese yam, cinnamon vine common fumitory corkscrew willow cut-leaved water milfoil
chives common globe amaranth corn cut-leaved water parsnip
chocolate vine, fiveleaf common golden Alexanders corn bedstraw Cutler’s alpine goldenrod
chocolate weed common grape hyacinth corn brome cyperus-like sedge
choke cherry common grass-leaved rush corn buttercup, corn crowfoot cypress spurge, graveyard spurge
Christmas fern common grass-of-Parnassus corn chamomile

D

daisy-leaved moonwort dill Dowell’s wood fern Dutchman’s pipe
Dalmatian toad flax Dillenius’s speedwell downy agrimony dwarf bilberry
dame’s rocket Dillenius’s yellow wood sorrel downy arrowwood dwarf birch
Damson plum, cultivated plum dioecious sedge downy false foxglove dwarf bladderwort
dangleberry diploid maidenhair spleenwort downy gentian dwarf cherry
daphne disguised rock polypody, disguised polypody downy goldenrod dwarf chestnut oak
dark-flowered grape hyacinth disguised St. John’s wort downy phlox dwarf chestnut, chinquapin
dark-green bulrush disjunct hoary sedge downy rattlesnake plantain dwarf cinquefoil
dark-green sedge dissected grape fern downy shadbush dwarf elderberry
David’s spurge dissonant hawthorn downy thorn apple dwarf enchanter’s nightshade
Davis’s sedge distinct rosette grass downy wild rye dwarf ginseng
Deam’s vervain District of Columbia rosette grass downy willowherb dwarf hackberry
deceitful pussytoes ditch beard grass downy wood mint dwarf mistletoe
deceptive alder ditch stonecrop downy yellow violet dwarf prairie willow
deer-tongue rosette grass Dobbin’s blueberry dragon’s mouth dwarf raspberry
deer’s hair club sedge dock-leaved smartweed drooping catchfly dwarf rattlesnake plantain
deerberry Dodge’s hawthorn drooping wood sedge dwarf sandweed
delicate rabbit tobacco dog fennel drooping woodreed dwarf scouring rush
Deptford pink dog mustard, French rocket dropwort dwarf shadbush
desert bluebells dog rose Drummond’s rock cress dwarf snapdragon
desert goosefoot dog’s mercury dry-spiked sedge dwarf spurge
desert pincushion dotted hawthorn Dudley’s rush dwarf St. John’s wort
devil’s beggar ticks dotted horse mint Dunbar’s hickory dwarf stinging nettle
devil’s bit dotted smartweed dune bluestem dwarf umbrella grass
devil’s walking stick, Hercules’s club doubtful sunflower dune panic grass dyer’s greenweed
dewdrop Douglas fir dune sandbur dyer’s rocket
dewdrop crane’s bill Douglas’s knotweed Durban crowfoot dyer’s woad
Dewey’s sedge dove’s foot crane’s bill Dutchman’s breeches

E

early azalea eastern swamp milkweed English plantain European dwarf cherry
early blue grass eastern sycamore English violet European field pansy
early buttercup, early crowfoot eastern wild bleeding heart English yew European figwort
early coralroot eastern willowherb entangled hawthorn European fly honeysuckle
early crocus Eaton’s beggar ticks erect bugle European frog’s bit
early goldenrod Eaton’s quillwort erect dayflower European goat’s beard
early meadow rue Ebinger’s wild rye erect hedge parsley European gooseberry
early saxifrage ebony spleenwort erect knotweed European gromwell
early spotted coralroot eclipsed violet Erskine’s goldenrod European hawkweed
early wild rye eel grass estuary beggar ticks European heliotrope
early winter cress egg-leaved spurge estuary pipewort, Parker’s pipewort, estuary hatpins European hops
early yellow violet elecampane Eulalia European hornbeam
early-fruiting hawthorn elegant drooping sedge Eurasian barnyard grass European larch
eastern black nightshade elegant zinnia Eurasian common juniper European marsh pennywort
eastern bluebells elk sedge Eurasian dewberry European mock orange
eastern bracken fern Ellacombe’s stonecrop Eurasian lily-of-the-valley European mountain ash
eastern cottonwood Elliott’s goldenrod Eurasian live forever European privet
eastern enchanter’s nightshade elliptic spike rush Eurasian selfheal, Eurasian heal all European purple clematis
eastern flat sedge elm-leaved blackberry Eurasian swine’s cress European red raspberry
eastern gamma grass elm-leaved goldenrod Eurasian water milfoil European sea rocket
eastern golden crownbeard elongated loosestrife Eurasian waterwort European smoketree
eastern grasswort Emmons’s sedge Eurasian white poplar European spindletree
eastern hedge mustard Emory’s sedge Eurasian woodland strawberry European stickseed
eastern hemlock Engelmann’s arrowhead European alkali grass European stinging nettle
eastern leatherwood, wicopy Engelmann’s flat sedge European ash European turkey oak
eastern pasture rose Engelmann’s quillwort European beech European vervain
eastern poison ivy Engelmann’s spike rush European bird cherry European woodland sedge
eastern prairie fringed orchid Engelmann’s vervain European brooklime European yellow rattle
eastern prickly pear English bluebell European buckthorn eutrophic water nymph, eutrophic naiad
eastern purple coneflower English cinquefoil European bugleweed, European water horehound evergreen candytuft
eastern red cedar English daisy European cocklebur evergreen log wood fern
eastern riverbank wild rye English elm European columbine evergreen wood fern, fancy wood fern, common wood fern
eastern shooting star English ivy European cornsalad exserted Virginia wild rye
eastern silvery aster English lavender European cow parsnip eyelash tarweed
eastern spring beauty English oak European dune grass

F

fairgrounds grass, hard grass Fernow’s oak five-leaved aralia forked rush
fairy flax Ferriss’s scouring rush five-stamened chickweed forking larkspur
fairy slipper fertile bristly locust flaccid manna grass four-leaved milkweed
fairywand, devil’s bit fescue sedge flame azalea fowl blue grass
fall dandelion fetid marigold flanged brome fowl manna grass
fall witch grass feverfew flat-branched tree clubmoss fox grape
false apple mint few-bracted beggar ticks flat-leaved bladderwort fox sedge
false goldeneye few-flowered nut sedge flat-stemmed blue grass, Canada blue grass foxglove beardtongue
false hellebore, Indian corn lily few-flowered sedge flat-stemmed pondweed foxtail barley, squirreltail barley
false holly few-flowered spike rush flat-stemmed spike rush foxtail bog clubmoss
false hop sedge few-flowered tick trefoil flax dodder foxtail brome, foxtail chess
false indigo bush few-fruited sedge flaxseed plantain foxtail fescue
false melic grass few-headed blazing star floating bur-reed foxtail fountain grass
false mermaid weed few-seeded sedge floating manna grass foxtail millet
false nettle fiddle dock floating water primrose foxtail sedge
false pennyroyal field bead grass floating-leaved pondweed fragile fern
false Rhodes grass field bindweed Flodman’s thistle fragrant flat sedge
false rue anemone field brome Florida cottonweed fragrant hosta
false Solomon’s seal field chickweed Florida hammock sandmat fragrant ladies’ tresses
false spiraea field cress florist’s spiraea fragrant rabbit tobacco
false summer sedge field dock flower-of-an-hour fragrant sumac
false toad flax field dodder flowering ash fragrant white water lily
false willow-leaved meadowsweet field forget-me-not flowering dogwood fragrant wood fern, fragrant cliff fern
false yellow nut sedge field garlic flowering duckweed Frank’s sedge
fan-leaved hawthorn field hedge nettle flowering flax Fraser’s marsh St. John’s wort
fanwort field horsetail, common horsetail flowering hawthorn Freeman’s maple
Far Eastern feathertop field mint flowering onion French figwort
far-eastern smartweed field mustard, turnip, Chinese cabbage flowering rush French marigold
Farwell’s water milfoil field penny cress flowering spurge French meadow rue
fasciated cockscomb field pussytoes flowering yellow wood sorrel French rose
Faxon’s oak field sedge fly poison Fries’s pondweed
Faxon’s pondweed field sow thistle foamflower fringed bindweed
feather windmill grass field thistle Fogg’s goosefoot fringed brome
feathertop field wood rush fool’s parsley fringed loosestrife
feathery false threadleaf fig-leaved goosefoot Forbes's glory-of-the-snow fringed willowherb
fennel fine-leaved sneezeweed Forbes’s hawthorn fringed windmill grass
fern flat sedge finger grass forest blue grass fringetree
fern grass fingered speedwell forest coreopsis, forest tickseed frosted hawthorn
fern-leaved false foxglove fire pink forest milkweed frostweed aster
fern-leaved yarrow firethorn forest wild licorice Fuji cherry
Fernald’s blue grass fireweed forest wood rush Fuller’s hawthorn
Fernald’s false manna grass fistulous salsify, fistulous goat’s beard fork-tipped threeawn fuller’s teasel
Fernald’s puccoon five-angled dodder forked catchfly funnelform beardtongue
Fernald’s sedge five-horned smotherweed forked rosette grass

G

galax giant daisy goldtuft greater burnet saxifrage
garden alkanet giant foxtail, Chinese foxtail good King Henry greater Canadian St. John’s wort
garden balsam giant green foxtail goose grass greater celandine
garden bean, string bean, green bean, kidney bean giant hogweed goose neck loosestrife greater chickweed
garden black currant giant knotweed goosefoot cornsalad greater knapweed
garden chervil, salad chervil giant ragweed gorse greater periwinkle
garden evening primrose giant rye grass goutweed greater saltmarsh sand spurry
garden forget-me-not giant scabious graceful sedge greater starwort, greater stitchwort
garden larkspur giant snowdrop graceful spurge Grecian foxglove
garden leek Gilman’s bog clubmoss Graham’s rock cress Greek dock
garden loosestrife Gilman’s rose grand fir green adder’s mouth
garden lupine glabrous orach grape honeysuckle green alder
garden mignonette glade fern grass pink green amaranth
garden monkshood glandular baby’s breath grass-leaved arrowhead green arrow arum, tuckahoe
garden nasturtium glandular dodder grass-leaved ladies’ tresses green ash
garden orach glandular speedwell grass-leaved pondweed green dragon
garden orpine glaucous blue grass grass-leaved starwort, grass-leaved stitchwort green field speedwell
garden pansy glaucous bulrush grass-leaved water plantain green foxtail
garden parsley glaucous rattlesnake root grass-like sedge green hellebore
garden pea, green pea, sugar snap pea glaucous sedge gray birch green milkweed
garden peony glaucous-leaved hawkweed gray dogwood, red-panicled dogwood green needle grass
garden pepperweed gleaming lady’s mantle gray field speedwell green nightshade
garden petunia globe amaranth gray goldenrod green rock cress
garden phlox globe beak sedge gray ground cherry green screwstem
garden pink globe candytuft gray poplar green sedge
garden purslane, moss rose globe flat sedge gray sedge green spleenwort
garden radish globe-fruited seed-box gray willow green sprangletop
garden red currant glomerate sedge gray-headed prairie coneflower green violet
garden rhubarb glossy buckthorn Gray’s flat sedge green-and-gold
garden rock cress glossy-leaved aster Gray’s hawthorn green-flowered shinleaf
garden sage goat willow Gray’s sedge green-fruited bur-reed
garden snapdragon goat’s rue Gray’s wild strawberry green-fruited clearweed
garden sorrel gold-of-pleasure Great Basin rabbitbrush green-headed coneflower
garden speedwell golden carpet Great Basin sagebrush green-keeled cotton grass
garlic mustard golden club great blue lobelia green-stemmed forsythia
garlic penny cress golden corydalis great forget-me-not Greene’s popcorn flower
gasplant golden currant, buffalo currant great globe thistle Greene’s rush
Gattinger’s witch grass golden heather great hairy willowherb greenish-white sedge
gaywings, fringed milkwort golden hedge hyssop Great Lakes sand cherry grooved yellow flax
Georgia bulrush golden ragwort Great Plains flat sedge ground ivy, gill-over-the-ground
German chamomile golden raintree, pride-of-India, China tree Great Plains ladies’ tresses ground-spreading tick trefoil
German iris golden thistle great rosebay, great laurel groundnut
germander meadowsweet golden-fruited sedge great St. John’s wort groundsel tree
germander speedwell goldenseal Great Valley phacelia grove blue grass
giant blue cohosh, early blue cohosh Goldie’s starwort, Goldie’s stitchwort great water dock grove hawthorn
giant bur-reed Goldie’s wood fern greater bladderwort Guadalupe water nymph, Guadalupe naiad
giant chickweed goldthread greater burdock Guelder rose

H

Haberer’s ground cedar hay sedge honeyvine hybrid sedge
Haines's avens hay-scented fern honeyweed, Siberian motherwort hybrid sedge
Haines’ rose Hayden’s sedge hooded ladies’ tresses hybrid shadbush
hair beak sedge hazel dodder hooked buttercup, hooked crowfoot hybrid shadbush
hair fescue heart sorrel, wild sorrel hooked foxtail hybrid spiderwort
hair-like sedge heart-leaved aster Hooker’s bugseed hybrid spring beauty
hair-like sedge heart-leaved golden Alexanders Hooker’s orchid hybrid starwort, hybrid stitchwort
hairy angelica, deadly angelica heart-leaved plantain hop hornbeam, ironwood hybrid sundew
hairy baby’s breath heart-leaved speedwell hop sedge hybrid swamp rose
hairy beardtongue heart-leaved twayblade hoptree, wafer ash hybrid trillium
hairy bedstraw heart-leaved umbrella wort horehound hybrid violet
hairy bindweed heart-leaved willow, Missouri willow horned beak sedge hybrid violet
hairy bitter cress heath aster horned bladderwort hybrid violet
hairy brome heather horned pondweed hybrid violet
hairy broom hedge bedstraw horned seablite hybrid violet
hairy bush clover hedge bindweed horse chestnut hybrid violet
hairy buttercup, hairy crowfoot hedge maple horse mint hybrid violet
hairy cat’s ear hedge vetch horse nettle hybrid violet
hairy evening primrose hedgerow crane’s bill horseradish hybrid violet
hairy fimbry Heimburger’s aspen horsetail spike rush hybrid violet
hairy forked chickweed Helene’s ragweed Houghton’s flat sedge hybrid violet
hairy goldenrod helleborine, weed orchid Houghton’s flat-topped goldenrod hybrid violet
hairy hedge nettle hemlock parsley Houghton’s sedge hybrid violet
hairy honeysuckle hemlock water parsnip houttuynia hybrid violet
hairy horse mint hemp thoroughwort humped bladderwort hybrid violet
hairy lady’s mantle hemp, marijuana Hungarian clover hybrid violet
hairy mock orange henbit hurrah bead grass hybrid violet
hairy mountain mint herb mercury, boys-and-girls hyacinth bean hybrid violet
hairy nightshade herb Robert hybrid aster hybrid violet
hairy pinweed herb Sophia hybrid bristly clubmoss hybrid violet
hairy rock cress Hervey’s aster hybrid bulrush hybrid violet
hairy rupturewort Hickey’s tree clubmoss hybrid bulrush hybrid violet
hairy sedge hidden dropseed hybrid bulrush hybrid violet
hairy skullcap hidden shadbush hybrid bulrush hybrid violet
hairy small-leaved tick trefoil hidden spikemoss hybrid bulrush hybrid violet
hairy Solomon’s seal hidden-fruited bladderwort hybrid bush clover hybrid violet
hairy southeastern wild rye Higan cherry hybrid bush clover hybrid violet
hairy spurge high mallow hybrid bush clover hybrid violet
hairy sunflower highbush blueberry hybrid bush clover hybrid violet
hairy sweet grass highbush cranberry hybrid bush clover hybrid violet
hairy thoroughwort highland rush hybrid cattail hybrid violet
hairy umbrella grass Hill’s pondweed hybrid crack willow hybrid violet
hairy vetch hillside blueberry hybrid daffodil hybrid violet
hairy Virginia wild rye Himalayan balsam, policeman’s helmet hybrid dogbane hybrid violet
hairy wheat grass Himalayan blackberry hybrid dogwood hybrid violet
hairy wild petunia Himalayan elecampane, pushkarmool hybrid flat sedge hybrid violet
hairy wild rye Himalayan hydrangea hybrid goldenrod hybrid violet
hairy wire-stemmed muhly Himalayan knotweed hybrid hawkweed hybrid violet
hairy wood mint hispid hedge nettle hybrid honeysuckle hybrid violet
hairy wood rush hispid starbur hybrid Jack-in-the-pulpit hybrid violet
hairy yellow cress Hitchcock’s sedge hybrid lily hybrid willow
hairy yellow vetch hoary alyssum hybrid pondweed hybrid willow
hairy-awned muhly hoary aster hybrid pondweed hybrid willow
hairy-fruited sedge hoary cress hybrid pondweed hybrid willow
hairy-jointed meadow parsnip hoary frostweed, hoary rock rose hybrid quillwort hybrid wood fern
halberd-leaved tearthumb hoary mountain mint hybrid ragwort hybrid wood fern
Hampe’s campion hoary skullcap hybrid reed grass, hybrid phragmites hybrid wood fern
handsome sedge hoary tick trefoil hybrid rye grass hybrid wood fern
harbinger-of-spring hoary vervain hybrid sedge hybrid wood fern
hard fescue hoary willow hybrid sedge hybrid wood fern
hard-stemmed bulrush hobblebush hybrid sedge hybrid wool grass
hardneck garlic hog peanut hybrid sedge hybrid wool grass
hardy kiwi Holland rose hybrid sedge hybrid yellow stonecrop
hardy rubber tree hollow Joe Pye weed hybrid sedge hydrilla, water thyme
hare’s ear, thoroughwax holly fern hybrid sedge hyssop
hare’s foot dalea holly-leaved Oregon grape hybrid sedge hyssop hedge nettle
harebell hollyhock hybrid sedge hyssop skullcap
Harger’s goldenrod Holmes’s hawthorn hybrid sedge hyssop-leaved fleabane
harlequin glory-bower honesty hybrid sedge hyssop-leaved loosestrife
Hawkins’s oak honewort hybrid sedge hyssop-leaved spurge
hawkweed oxtongue honey locust hybrid sedge hyssop-leaved thoroughwort

L

Labrador bedstraw large-flowered heartleaf lesser pond sedge long-bracted orchid, frog orchid
Labrador tea large-flowered shadbush lesser purple fringed orchid long-bracted plantain
lace love grass large-flowered yellow vetch lesser quickweed, lesser galinsoga long-bracted sedge
lady’s thumb large-fruited bur-reed lesser saltmarsh sand spurry long-hairy rosette grass
Lake Huron bog orchid large-fruited sanicle, large-fruited snakeroot lesser shinleaf long-headed anemone
Lake Mistassini primrose, bird’s eye primrose large-leaved aster lesser swine’s cress long-headed poppy
lake quillwort large-leaved avens lesser waterwort long-headed prairie coneflower
lake sea rocket large-leaved goldenrod lesser-panicled sedge long-leaved bluets
lake sedge large-panicled sedge lettuce hawkweed long-leaved bush clover
lake water cress large-podded pinweed licorice milk vetch long-leaved ground cherry
lakeshore sedge large-seeded hawthorn lilac sage long-leaved panic grass
lamb succory large-spurred round-leaved orchid lilac tasselflower long-leaved pondweed
lamb’s ears large-thorned hawthorn lily-leaved twayblade long-leaved starwort, long-leaved stitchwort
lamb’s quarters, pigweed large-tubercled spike rush lime-loving club sedge long-spined sandbur
lamb’s tongue plantain late hawthorn limestone calamint long-spurred violet
lance-leaved arnica late spotted coralroot limestone meadow sedge long-stalked coreopsis, long-stalked tickseed
lance-leaved aster late thoroughwort limestone pappus grass long-stalked crane’s bill
lance-leaved figwort Laurentian hawthorn linden viburnum long-stalked false pimpernel
lance-leaved pondweed lavender cotton Lindheimer’s rosette grass long-stalked sedge
lance-leaved ragweed lawn marsh pennywort Lindley’s aster Long’s sedge
lance-leaved violet leafcup linear-leaved loosestrife Long’s wool grass
lance-leaved wild licorice leafy bulrush linear-leaved rosette grass loose-flowered sedge
lanceolate brome leafy goosefoot lined sedge loose-headed beak sedge
Laney’s hickory leafy Joe Pye weed lion’s foot rattlesnake root lopseed
Langsdorff’s bluejoint grass leafy pondweed lion’s tail Louis’s baneberry
Lapland rosebay least moonwort little barley lovage
large field chickweed leatherleaf little bluestem love lies bleeding
large grass-leaved rush leathery grape fern little club spur orchid love-in-a-mist
large hop clover Leavenworth’s sedge little cotton rose lovely shadbush
large marsh pink LeConte’s violet little floating heart low amaranth
large needleleaf Leeds’s wood fern little ladies’ tresses low baby’s breath
large purple bluets Leedy’s roseroot little love grass low bindweed
large purple fringed orchid Leggett’s pinweed little quaking grass low cudweed
large rock jasmine Leiberg’s rosette grass little yellow rattle low frostweed, low rock rose
large Solomon’s seal lemonbalm livid sedge low mallow
large straw sedge lens-podded pepperweed lizard’s tail low manna grass
large swollen bladderwort lentil lobe-headed rush low nut sedge
large thyme lentil vetch lobed spleenwort low shadbush
large toothwort Leonard’s skullcap Loesel’s twayblade low smartweed
large water starwort lesser bladder sedge log fern low spearwort
large white-flowered ground cherry lesser bladderwort London rocket low St. John’s wort
large whorled pogonia lesser broomrape long beech fern low water milfoil
large yellow lady’s slipper lesser burdock long sedge lowland fragile fern
large yellow nut sedge lesser calamint long-awned American barnyard grass lowland loosestrife
large yellow sedge lesser Canadian St. John’s wort long-beaked beak sedge Lowrie’s aster
large-bracted tick trefoil lesser celandine long-beaked carpet sedge Lucile's glory-of-the-snow
large-calyxed goosefoot lesser chickweed long-beaked sedge lyre-leaved rock cress
large-flowered bellwort lesser hawkbit long-beaked white water buttercup lyre-leaved sage
large-flowered hawthorn lesser horse gentian

M

Mackay’s fragile fern marsh mermaid weed medusa head moss phlox
Mackay’s scouring rush marsh skullcap melic oats moth mullein
mad dog skullcap marsh speedwell memorial rose motherwort
madder marsh straw sedge metel mountain blue-eyed grass
madwort marsh thistle Mexican love grass mountain cornflower, mountain knapweed
maiden pink marsh valerian, swamp valerian Mexican prickly poppy mountain doghobble
maidenhair fern marsh vetchling Mexican tea mountain evening primrose
Maine rattlesnake root marsh willowherb Meyer’s willow mountain fescue
maleberry marsh wood fern Michaux’s mitrewort mountain fetterbush
Malte’s violet marsh yellow cress Michaux’s sedge mountain firmoss
Maltese cross marvel-of-Peru Michigan lily mountain fly honeysuckle, blue honeysuckle
Manchu tuber gourd Maryland golden aster Mickel’s wood fern mountain hair grass
Mann’s bush clover Maryland hawkweed midday rosette grass mountain holly
many-flowered marsh pennywort Maryland meadow beauty midland flat sedge mountain laurel
many-flowered rosette grass Maryland milkwort midland sedge mountain magnolia, Fraser’s magnolia
many-flowered tobacco Maryland sanicle, Maryland snakeroot midwestern beggar ticks mountain maple
many-fruited seed-box, false loosestrife, many-fruited water primrose, top-pod water primrose Massachusetts fern midwestern carrion flower mountain paper birch
many-headed sedge masterwort midwestern hops mountain sandwort
many-seeded goosefoot mat grass midwestern pasture rose mountain shadbush
many-seeded plantain matchweed midwestern poison ivy mountain spleenwort
many-spiked flat sedge Mattamuskeet rosette grass midwestern purple bluets mountain tarweed
maple-leaved alumroot matted pearlwort mild water pepper mountain winterberry
maple-leaved goosefoot matted spurge mile-a-minute weed mountain wood fern
maple-leaved viburnum Maximilian’s sunflower milk thistle mountain-dwelling twisted stalk
mare’s tail may apple millet grass mouse barley
Margaret’s locust McNeill's avens Mingan moonwort mouse ear chickweed
marginal wood fern Mead’s sedge mintweed mouse ear cress, thale cress
marsh arrow grass meadow bottle gentian Missouri gooseberry mouse ear hawkweed
marsh bedstraw meadow brome Mitchell’s sedge mud plantain
marsh bellflower meadow crane’s bill mixed cord grass mud sedge
marsh blue violet meadow foxtail mock bishopweed mudbabies, dwarf burhead
marsh cinquefoil meadow horsetail mockernut hickory Muenscher’s water nymph, Muenscher’s naiad
marsh dandelion meadow knapweed moneywort, creeping Jenny mugwort
marsh eryngo meadow rye grass monkshood vine Muhlenberg’s nut sedge
marsh fern meadow sage Montgomery’s wood fern Muhlenberg’s sedge
marsh fimbry meadow salsify, meadow goat’s beard moonseed Muhlenberg’s veinless sedge
marsh flat sedge meadow spikemoss moor rush mulberry weed
marsh grass-of-Parnassus meadow willow mooseberry, squashberry multiflora rose
marsh hedge nettle meager love grass Moroccan toad flax musclewood, ironwood, American hornbeam
marsh helleborine meager sedge Morrow’s honeysuckle musk mallow
marsh horsetail medicinal agrimony Morss’s lettuce musk stork’s bill
marsh lousewort Mediterranean barley mosquito bulrush muskflower
marsh mallow Mediterranean hair grass mosquito fern muskroot
marsh marigold Mediterranean stork’s bill moss heather

N

naked mitrewort, naked bishop’s cap neglected bush clover northeastern hops northern sedge
naked tick trefoil Nelson’s scouring rush northern adder’s tongue northern shore quillwort
naked-stemmed dewflower Nepalese smartweed northern arrowhead northern shorthusk
Nanking cherry netted chain fern northern bedstraw northern six-weeks fescue
nannyberry netted nut sedge northern bent northern slender ladies’ tresses
Nantucket shadbush nettle-leaved bellflower northern blue violet northern small yellow lady’s slipper
Naples garlic nettle-leaved goosefoot northern bog aster northern snailseed pondweed
Narbonne vetch New England aster northern bog clubmoss northern St. John’s wort
narrow oat grass New England blazing star northern bog sedge northern sumac
narrow triangle moonwort New England bulrush northern bog violet northern sundrops
narrow-leaved arrowhead New England grape northern bristly clubmoss northern swamp buttercup, northern swamp crowfoot
narrow-leaved bird’s foot trefoil New England rose northern bugleweed, northern water horehound northern sweetbay
narrow-leaved blue-eyed grass New England sedge northern catalpa northern tansy mustard
narrow-leaved bluecurls New England snailseed pondweed northern clammy hedge hyssop northern three-petaled bedstraw
narrow-leaved bur-reed New England violet northern clustered sedge northern thyme-leaved speedwell
narrow-leaved bush clover New Jersey tea northern crab grass northern tickle grass
narrow-leaved cattail New York fern northern crane’s bill northern tooth-leaved croton, northern vente conmigo
narrow-leaved creeping spearwort New York hawthorn northern dewberry northern tubercled orchid
narrow-leaved dogwood New York ironweed northern doll’s daisy northern water milfoil
narrow-leaved everlasting pea New Zealand spinach northern downy hawthorn northern water plantain
narrow-leaved gentian Nieuwland’s blazing star northern downy violet northern watermeal
narrow-leaved hawk’s beard nigerseed northern firmoss northern white cedar, arbor vitae
narrow-leaved hemp nettle night-flowering campion northern frogfruit northern wild comfrey, northern hound’s tongue
narrow-leaved hosta nimble Will northern gooseberry northern wild licorice
narrow-leaved Kentucky blue grass Nina Celotti’s hawthorn northern green bog orchid northern wild raisin
narrow-leaved knotweed ninebark northern ground cedar northern wild rice
narrow-leaved meadowsweet nipplewort northern hackberry northern wild senna
narrow-leaved mountain mint Nippon daisy northern jointweed northern wild strawberry
narrow-leaved New York aster noble yarrow northern lady fern northern wood sorrel
narrow-leaved paleseed nodding beggar ticks northern lowbush blueberry northern woodland sedge
narrow-leaved pinweed nodding campion northern manna grass northern yellow-eyed grass
narrow-leaved prickly bog sedge nodding chickweed northern monkshood, New York monkshood Norway maple
narrow-leaved umbrella wort nodding fescue northern mountain ash Norway spruce
narrow-leaved upland star sedge nodding ladies’ tresses northern oat grass notch-leaved amaranth
narrow-leaved vervain nodding onion northern obedient plant notched hemp nettle
narrow-leaved vetch nodding rattlesnake root northern pipewort, northern hatpins Nuttall's alkali grass
narrow-leaved white-topped aster nodding sedge northern red oak Nuttall’s bush clover
narrow-leaved willowherb nodding star-of-Bethlehem northern red-based sedge Nuttall’s forked chickweed
narrow-panicled rush nodding stickseed northern reed grass Nuttall’s goosefoot
navel cornsalad nodding thistle, musk thistle northern rosette grass Nuttall’s lobelia
necklace sedge nodding trillium northern saltwort Nuttall’s micranthemum
needle spike rush North African knapweed northern sand spurry Nuttall’s milkwort
needle-and-thread North American white adder’s mouth northern seaside goldenrod Nuttall’s tick trefoil
needle-leaved agalinis northeastern bulrush northern seaside spurge Nuttall’s waterweed

P

Pacific six-weeks fescue Pennsylvania hawthorn pod grass proliferous knotweed
pacific snowberry Pennsylvania pellitory poet’s narcissus proso millet, broom corn millet
pagoda dogwood, alternate-leaved dogwood Pennsylvania sedge pointed broom sedge prostrate amaranth
painted daisy Pennsylvania smartweed pointed-leaved tick trefoil prostrate spurge
painted trillium pennyroyal poison darnel prostrate toad flax
paired-flowered bindweed peppermint poison hemlock prostrate vervain
pale beak sedge perennial flax poison sumac prostrate yellow cress
pale beardtongue perennial glasswort pokeweed Provancher’s fleabane
pale bulrush perennial rye grass Pomeranian bedstraw pubescent sedge
pale dock perennial saltmarsh aster poorland flat sedge pumpkin ash
pale duckweed perennial woolly bean poplar hawthorn puncture weed
pale false manna grass perennial yellow woundwort porcelain berry purple agalinis
pale Indian plantain perfoliate bellwort porcupine sedge purple avens, water avens
pale jewelweed, pale touch-me-not perfoliate penny cress Porter’s reed grass purple beautyberry
pale poppy perfoliate pepperweed post oak purple bladderwort
pale sedge perfoliate-leaved horse gentian potato purple chokeberry
pale St. John’s wort perfumed cherry Potter’s holly fern purple clarkia
pale swallowwort Perry’s vervain poverty dropseed purple cliffbrake
pale toad flax Persian clover poverty grass purple crowberry
pale umbrella wort Persian darnel poverty rosette grass purple cudweed
pale vetchling Persian goat grass powdery carrion flower purple dead nettle
pale wild bergamot Persian speedwell Powell’s amaranth purple foxglove
pale wood rush persimmon prairie broomweed purple giant hyssop, figwort giant hyssop
pale-flowered blue-eyed grass petal-like pussytoes prairie burnet purple Joe Pye weed
pale-purple coneflower petty spurge prairie buttercup, prairie crowfoot purple keman
pale-seeded plantain Philadelphia fleabane prairie cord grass purple loosestrife
palm sedge Philadelphia witch grass prairie dock purple love grass
palmate-leaved violet pickerel weed prairie dropseed purple meadow rue
Palmer’s amaranth Pickering’s reed grass prairie moonwort purple milkweed
panicled hawkweed piedmont crosswort prairie pepperweed purple moor grass
panicled hydrangea pignut hickory prairie redroot purple mountain saxifrage
panicled tick trefoil pillpod spurge prairie rose purple mullein
paper birch pin cherry, fire cherry prairie sagewort purple nut sedge
paper mulberry pin oak prairie sand reed grass purple pitcherplant
Paraguay starbur pincushion flower prairie sedge purple prairie clover
parasol sedge, umbelled sedge pincushion plant, diapensia prairie smoke purple raspberry
Parlin’s pussytoes pine barrens death camas prairie sundrops purple salsify, purple goat’s beard
parrot’s feather pine barrens sandwort prairie sunflower purple sand grass
partridge berry pineapple weed prairie threeawn, oldfield threeawn purple sand spurry
partridge pea pinedrops prairie trillium purple spring cress, pink spring cress
pasture thistle pink coreopsis, pink tickseed prairie wallflower purple star thistle
Patagonia plantain pink fairies prairie wedge grass purple trillium, stinking Benjamin
path rush pink ivy-leaved speedwell prairie willow, upland willow purple vetch
patience dock pink lady’s slipper pretty honeysuckle purple wild bergamot
Patrin's violet pink milkwort prickly ash purple-flowered cotoneaster
pawpaw pink shinleaf prickly gooseberry, dogberry purple-flowering raspberry
peach pinnate hop clover prickly lettuce purple-headed sneezeweed
peach-leaved bellflower pinxter flower prickly mallow purple-stemmed angelica
peach-leaved willow pipsissewa prickly pear purple-stemmed aster
pearlbush pitch pine prickly tree clubmoss, northern tree clubmoss purple-stemmed beggar ticks
pearlwort spurry Pittsford’s wood fern pride-of-Rochester purpletop
pearly everlasting plains blue grass primrose-leaved violet purpletop vervain
Peck’s sedge plains coreopsis, plains tickseed prince’s feather amaranth purslane
pectinate violet plains cottonwood prince’s-feather smartweed Purslane speedwell
pellitory-of-the-wall plantain-leaved pussytoes princess tree, empress tree pussy willow
pencil flower plantain-leaved sedge Pringle’s aster puttyroot, Adam and Eve
pendulous bulrush pleated-leaved knotweed Pringle’s autumn coralroot pygmyweed
Pennsylvania bitter cress plum-leaved hawthorn Pringle’s hawthorn Pylaie’s rush
Pennsylvania blackberry plume poppy professor weed pyxies, pyxie moss
Pennsylvania cudweed plume yew

R

rabbit foot clover red-rooted amaranth Robbins’s spike rush rough-fruited water hemp
rabbit’s ear mustard, treacle mustard red-rooted flat sedge Robin’s plantain rough-leaved dogwood
rabbit’s foot grass red-seeded dandelion robust quillwort rough-leaved goldenrod
raccoon grape red-tipped rabbit tobacco rock elm rough-seeded clammyweed
racemed catnip red-topped panic grass rock fumitory rough-sheathed blue grass
ragged fringed orchid red-whiskered clammyweed rock harlequin, pink corydalis Rouleau’s aspen
ragged robin redbud rock muhly round-fruited rosette grass
ragged thoroughwort reddish willow rock sandwort round-fruited sedge
ram’s head lady’s slipper redtop rock soapwort round-headed bush clover
ram’s horn reed canary grass rock spikemoss round-leaved crane’s bill
Rand’s goldenrod Reeves’s meadowsweet rock whitlow grass round-leaved dogwood
rapeseed, rutabaga reflexed flat sedge rocket candytuft round-leaved fluellin
rattlesnake brome reflexed sedge Rocky Mountain bee plant round-leaved gooseberry
rattlesnake fern related hawthorn Roland’s seablite round-leaved orchid
rattlesnake hawkweed remarkable salsify, remarkable goat’s beard Roman wormwood round-leaved ragwort
rattlesnake manna grass rescue grass rose campion, mullein pink round-leaved shadbush
Ravenna grass resinous thoroughwort rose pink, bitter bloom round-leaved shinleaf
rayless alkali aster Reznicek’s sedge rose pogonia round-leaved sundew
rayless gumweed Rhode Island bent rose twisted stalk, rose mandarin round-leaved thoroughwort
reclined bladderwort Rhodora rose-of-Sharon round-leaved tick trefoil
red baneberry ribbed sedge rose-ring blanket flower round-leaved water cress, mountain water cress
red bartsia ribbon-leaved pondweed rosy owl’s clover round-lobed hepatica
red campion rice cut grass rosy stonecrop royal fern
red chokeberry ricefield flat sedge rough aster Rudge’s sedge
red clover Richard’s pondweed rough avens Rudkin’s oak
red elderberry Richardson’s sedge rough bedstraw rue
red fescue ridge-seeded spurge rough blazing star rue anemone
red horned poppy rigid sedge rough buttonweed Rugel’s plantain
red milkweed rigid tick trefoil rough comfrey running strawberry bush
red morning glory rigid yellow flax rough cotton grass rush bladderwort
red mulberry ringed rosette grass rough dropseed rush skeletonweed
red orach ripgut brome rough goldenrod Russian cinquefoil
red pepper, chili pepper river birch rough hawk’s beard Russian comfrey
red pigweed river bulrush rough hawkbit Russian olive
red pine river grape, frost grape rough hawthorn Russian pigweed
red pinesap river hawthorn rough mallow Russian statice
red pondweed river horsetail rough oxeye Russian thistle
red spruce river oats, northern sea oats, wild oats rough pennyroyal rusty willow
red wild bergamot riverbank goldenrod rough sedge rusty woodsia, rusty cliff fern
red-disked yellow pond lily, red-disked spatter dock riverweed, threadfoot rough star thistle Rydberg’s poison ivy
red-footed spike rush roadside agrimony rough sunflower rye
red-leaved rose roadside pepperweed rough-fruited buttercup, rough-fruited crowfoot rye brome
red-osier dogwood Robbins’s pondweed, fern pondweed rough-fruited popcorn flower rye-like sedge

S

safflower short-leaved milkwort small-flowered wallflower spotted loosestrife
sage buttercup short-leaved pine small-flowered willowherb spotted pondweed
sage-leaved willow short-stalked bedstraw small-flowered wood rush spotted spurge
Sago pondweed short-stalked false pimpernel small-fruited gold-of-pleasure, false flax spotted St. John’s wort
sainfoin short-toothed mountain mint small-fruited rosette grass spotted water hemlock
salad burnet Short’s rock cress small-fruited spike rush spotted wintergreen
sallow sedge Short’s sedge small-headed aster spreading chervil
salt grass showy aster small-headed rush spreading cotoneaster
salt-loving spike rush showy baby’s breath small-leaved linden spreading dogbane
salt-meadow cord grass showy bleeding heart small-leaved white snakeroot spreading globeflower
saltmarsh alkali grass showy blue lettuce small-leaved yellow pond lily, small-leaved spatter dock spreading hedge parsley
saltmarsh elder showy coneflower small-spurred round-leaved orchid spreading rush
saltmarsh fleabane showy evening primrose Small’s ragwort spreading sedge
saltmarsh goosefoot showy goldenrod Small’s yellow-eyed grass, large yellow-eyed grass spreading wallflower
saltmarsh loosestrife showy lady’s slipper smaller forget-me-not spreading white grass
saltmarsh mallow showy orchid smaller fringed gentian spreading wood rush
saltmarsh water hemp showy skullcap smartweed dodder spreading-beaked sedge
sand bead grass showy sunflower Smith’s aspen spring avens
sand blackberry showy tick trefoil Smith’s bristly bulrush spring corydalis
sand catchfly shrubby cinquefoil Smith’s bulrush spring cress, bulbous spring cress
sand dropseed shrubby St. John’s wort smooth alder spring forget-me-not
sand dune willow Shumard’s oak smooth arrowwood spring speedwell
sand hedge nettle Siberian bugseed smooth aster spring whitlow grass
sand love grass Siberian crab apple smooth barley springs oak
sand rocket Siberian crane’s bill smooth beardtongue spurred gentian
sand Timothy Siberian elm smooth beggar ticks square-stemmed spike rush
sand violet Siberian iris smooth blackberry squill
sand wormwood Siberian pea tree smooth brome squirrel corn
sandbar love grass Sichuan pepper smooth cliffbrake squirting cucumber
sandbar willow sickle-leaved golden aster smooth cord grass St. Lawrence bugleweed, St. Lawrence horehound
Sandberg’s birch sicklepod smooth crab grass St. Lawrence grape fern
sandplain agalinis sickleweed smooth false foxglove staggerbush
sandplain wild flax, Bicknell’s yellow flax side oats grama smooth forked chickweed staghorn clubmoss
Santa Maria Siebold’s viburnum smooth hawk’s beard staghorn sumac
sapphire berry silktree smooth ironweed stalked bugleweed, stalked water horehound
Sargent’s cherry silkvine smooth oxeye stalked bur grass
Sartwell’s sedge silky bent grass smooth panic grass stalked panic grass
sassafras silky dogwood smooth rock cress stalked wool grass
satin brome silky willow smooth rose Standley’s goosefoot
saucer magnolia silver buffalo berry smooth rose mallow star chickweed
Saul’s oak silver cockscomb smooth rupturewort star duckweed
Savoy hawkweed silver hair grass smooth shadbush star sedge
saw-toothed sunflower silver knapweed smooth small-leaved tick trefoil starflower
Sawara false cypress silver lacevine, Chinese fleecevine smooth sow thistle starry campion
scabrous black sedge silver linden smooth sumac starry Solomon’s seal
scaly brome silver maple smooth tick trefoil steeplebush
scarlet clover, crimson clover silver orach smooth white violet Steinmetz’s bulrush
scarlet gaura silver rod smooth whitlow grass stemless evening primrose
scarlet hawthorn silvervine smooth winterberry sterile enchanter’s nightshade
scarlet oak silvery cinquefoil smooth wire-stemmed muhly sterile water cress
scarlet pimpernel, poor man’s weather-glass silvery spleenwort smooth woodsia, smooth cliff fern sticky catchfly
scarlet smartweed silvery-green sedge smooth-fruited hirsute sedge sticky chickweed
scarlet toothcup similar crane’s bill smooth-leaved honeysuckle sticky false asphodel
scentless mayweed single-glumed spike rush smooth-sheathed sedge sticky groundsel
scentless mock orange Sitka ground cedar smoothish cocklebur sticky hawkweed
Schreber’s aster six-angled stonecrop smoothish yellow violet sticky nightshade
Schuette’s hawthorn six-weeks threeawn smut grass stiff alkali grass
Schuette’s oak skunk cabbage sneezeweed stiff flat-topped goldenrod
Schweinitz’s flat sedge skunk currant snow-in-summer stiff gentian, crystal gentian, agueweed
Schweinitz’s ragwort skunk meadow rue snow-on-the-mountain stiff sunflower
Schweinitz’s sedge sky-blue aster snowbed willow stiff-leaved aster
Schweinitz’s waterweed Slavin’s dogwood snowberry stink grass
Scotch broom Slavin’s grape snowdrop stinking chamomile, mayweed
Scotch elm, wych elm sleepy catchfly soapwort gentian stinking goosefoot
Scotch lovage slender agalinis soft brome stinking hawk’s beard
Scotch pine slender bedstraw soft stork’s bill stinking orach
Scotch rose, burnet rose slender blue iris, slender blue flag soft-leaved sedge stinkwort
Scotch spearmint slender bog goldenrod soft-stemmed bulrush stoneroot, horsebalm
Scotch thistle slender bulrush somewhat green sedge stout goldenrod
Scott’s spleenwort slender bush clover sooty beak sedge stout smartweed
scratch grass slender cliffbrake, Steller’s cliffbrake sorghum, broom corn stout woodreed
Scribner’s rosette grass slender cotton grass sour cherry straight-leaved pondweed
scrub oak, bear oak slender cottonweed sour clover straw foxglove
sea arrow grass slender crab grass sourwood straw sedge
sea aster slender dobiepod South American horseweed, flax-leaved horseweed straw-colored hawthorn
sea lavender slender false brome southeastern bracken fern straw-stemmed beggar ticks
sea pink slender false phlox southern agrimony strawberry blight
sea purslane slender flat-topped goldenrod southern arrowwood strawberry clover
sea-coast angelica slender foxtail southern blue flag strawberry raspberry
seabeach amaranth, coast amaranth slender glasswort southern catalpa strict rosette grass
seabeach dock slender goldenweed southern crab grass stringy stonecrop
seabeach knotweed slender manna grass southern dodder striped bladderwort
seabeach orach slender marsh blue grass southern ground cedar striped coralroot
seabeach sandwort slender marsh pink southern horseweed striped goosefoot
seacoast bulrush slender muhly southern lady fern striped maple
seashells slender nut sedge southern saltwort striped violet, pale violet
seaside agalinis slender parsley-piert southern seablite Stuve’s bush clover
seaside buttercup, seaside crowfoot slender plantain southern seaside goldenrod succulent hawthorn
seaside orach slender rich woodland sedge southern shorthusk Sudan grass
seaside petunia slender rock cress southern slender ladies’ tresses sugar maple
seaside plantain slender saltwort southern small yellow lady’s slipper Sullivant’s coneflower
seaside rush slender sedge southern snailseed pondweed Sullivant’s sedge
seaside threeawn slender sow thistle southern sundrops sulphur cinquefoil
seaside toad rush slender spike grass southern swamp buttercup, southern swamp crowfoot summer adonis
secund rush slender spike rush southern three-petaled bedstraw summer grape
sedge rush slender spurge southern tickle grass summer savory
Selkirk’s violet slender statice southern twayblade summer sedge
semi-orbicular leaved hawthorn slender three-seeded Mercury southern Venus’s looking glass summer snowflake
Seneca snakeroot slender threeawn southern water plantain swamp azalea
sensitive fern slender water milfoil southern wild comfrey, southern hound’s tongue swamp candles
sesame slender water nymph, slender naiad southern wild raisin swamp cottonwood
sessile-fruited arrowhead slender wedge grass southern wild rice swamp dewberry
shade-loving moonwort slender woodland sedge southern wood violet swamp dock
shagbark hickory slender yellow flax southern wrinkle-leaved goldenrod swamp fetterbush
shaggy marbleseed slender yellow-eyed grass southernwood swamp fly honeysuckle
sharp-angled spike rush slender-thorned hawthorn southwestern cup grass swamp goldenrod
sharp-fruited rush slim-fruited rush soybean swamp Jack-in-the-pulpit
sharp-leaved hawkweed slim-lobed beggar ticks Spanish bluebell swamp marsh pennywort
sharp-lobed hepatica slim-stemmed reed grass Spanish chestnut swamp oats
sharp-pointed fluellin slippery elm Spanish needles swamp pink
sharp-tipped blue-eyed grass Slosson’s wood fern Spanish stonecrop swamp prickle grass
Shasta daisy small alkanet sparse-flowered sedge swamp red currant
shaved sedge small alyssum spatulate-leaved pondweed swamp rose
sheathed sedge small bluets spatulate-leaved sundew swamp rose mallow
sheep fescue small bur-reed spear orach swamp saxifrage
sheep laurel, sheepkill small carpet grass spearmint swamp sunflower
sheep sorrel small chickweed speckled alder swamp thistle
sheep’s bit small cranberry Sphinx ladies’ tresses swamp white oak
shepherd’s cress small daisy fleabane spicebush swamp wrinkle-leaved goldenrod
shepherd’s needle small dropseed spider flower, pinkqueen Swan’s sedge
shepherd’s purse small hop clover spiderwisp, cat’s whiskers sweet alyssum
Sherard’s bugleweed, Sherard’s water horehound small Jack-in-the-pulpit spiderwort sweet Annie
shingle oak small pussytoes spike bur grass sweet Betsy
shining bedstraw small reed grass spike hair grass sweet cherry
shining bluestar small skullcap spike muhly sweet coltsfoot
shining firmoss small Solomon’s seal spiked sedge sweet coneflower
shining flat sedge small sundrops spiked speedwell sweet fern
shining ladies’ tresses small swollen bladderwort spiked wood rush sweet goldenrod
shining pepperweed small water pepper spikenard sweet melon, cantaloupe, honeydew melon, musk melon
shining pondweed small white aster spinach sweet potato
shining rosette grass small white lady’s slipper spinulose wood fern sweet vernal grass
shining spurge small whorled pogonia spiny amaranth sweet white violet
shining willow small wire lettuce spiny cocklebur sweet William
shiny wedge grass small yellow sedge spiny dogtail sweet William catchfly
Shirley poppy, field poppy small-flowered agalinis spiny rest harrow sweet woodruff
shore horsetail small-flowered bitter cress spiny water nymph, spiny naiad sweet yarrow
shore juniper small-flowered blue-eyed Mary spiny-fruited coontail sweet-scented bedstraw
shoreline figwort small-flowered buttercup, small-flowered crowfoot spiny-leaved sow thistle sweet-scented Indian plantain
shoreline panic grass small-flowered catchfly spiny-spored quillwort sweetbriar rose
shoreweed, shore grass small-flowered crane’s bill spongy-leaved arrowhead sweetgale
short-awned American barnyard grass small-flowered dwarf bulrush spotted bur clover sweetgum
short-awned foxtail small-flowered evening primrose spotted dead nettle sweetleaf, horsesugar
short-awned muhly small-flowered false phlox spotted hawkweed sweetshrub
short-awned rice grass small-flowered fiddleneck spotted jewelweed, spotted touch-me-not switch grass
short-beaked beak sedge small-flowered sweetbriar rose spotted Joe Pye weed sword-leaved rush
short-fringed sedge small-flowered tamarisk spotted knapweed sycamore maple
short-fruited rush

T

tall anemone, thimbleweed Tennessee starwort, Tennessee stitchwort tiger lily tuberous Jerusalem sage
tall baby’s breath ternate-leaved cinquefoil timber phlox, wild blue phlox tuberous pea
tall beech fern terrestrial water starwort tinged sedge tuberous white water lily
tall beggar ticks tetraploid maidenhair spleenwort tiny mousetail Tuckerman’s quillwort
tall bellflower Texas sedge tiny trumpet Tuckerman’s sedge
tall blue lettuce Texas wild flax tiny vetch Tuckerman’s witch grass
tall buttercup, tall crowfoot thick-fruited sedge toadshade trillium, sessile trillium tufted hair grass
tall cinquefoil thick-leaved orach tomatillo tufted hair sedge
tall coreopsis, tall tickseed thick-spiked blazing star tomato tufted loosestrife
tall dune panic grass thicket bindweed toothcup tufted love grass
tall flat-topped white aster thicket creeper toothed flat sedge tufted vetch
tall goldenrod thin bead grass toothed medic tulip
tall hairy lettuce thin-leaved late purple aster toothed sage tulip tree, tulip poplar, yellow poplar
tall hedge mustard thin-leaved sunflower toothed white-topped aster tumble mustard
tall horned beak sedge thorny hawthorn topsy blackberry, Nanticoke blackberry tumble windmill grass
tall ironweed thread rush Toringo crab apple tumbleweed amaranth
tall lettuce thread-leaved pondweed Torrey’s beak sedge tunic flower
tall meadow rue thread-leaved sundew Torrey’s bulrush turion duckweed
tall oat grass thread-stalked speedwell Torrey’s mountain mint Turk’s cap lily
tall rattlesnake root three birds orchid Torrey’s rush Turkish rocket
tall rye grass three-awned brome Torrey’s thoroughwort tussock cotton grass
tall sunflower three-fruited sedge tower mustard tussock sedge
tall thistle three-leaved rattlesnake root town avens twig rush
tall thoroughwort three-leaved Solomon’s seal Tradescant’s aster twinflower
tall wallflower three-lobed coneflower trailing arbutus, mayflower twining milk pea
tall yellow sweet clover three-lobed red maple trailing bush clover twinleaf
tamarack three-lobed violet trailing pearlwort twisted sedge
tansy aster three-ribbed spike rush trailing St. John’s wort twisted spike rush
tansy ragwort three-square bulrush tree of heaven two-colored bush clover
taper-tipped wheat grass three-toothed cinquefoil trembling aspen, quaking aspen two-colored fringed orchid
tapper-tipped flat sedge three-way sedge triangle-leaved violet two-flowered dwarf dandelion
Tartarian honeysuckle Thunberg’s bush clover triploid wood fern two-leaved mitrewort, two-leaved bishop’s cap
Tartarian orach Thunberg’s meadowsweet tropical green amaranth two-leaved toothwort
Tausch’s goat grass thyme-flowered dragonhead troublesome sedge typical hoary sedge
tawny cotton grass thyme-leaved pinweed trumpet creeper typical wheat grass
tea crab apple thyme-leaved sandwort trumpet honeysuckle, coral honeysuckle Tyrol knapweed
tea viburnum tick quack grass

W

walking fern western spiderwort white-edged flat sedge Willdenow’s sedge
walking spike rush western stickseed white-edged sedge willow oak
wall barley western sunflower white-haired rosette grass willow-leaved aster
wall hawkweed western swamp milkweed white-leaved greenbrier willow-leaved frostweed
wall lettuce western vervain white-stemmed evening primrose willow-leaved lettuce
wall rocket western wheat grass white-stemmed pondweed willow-leaved sunflower
wall rue wheat sedge white-tinged sedge willow-leaved yellowhead
Walter’s sedge Wherry’s wood fern whorled dropseed wine grape
wand-like bush clover whip nut sedge whorled loosestrife wineberry
wartweed whiplash hawkweed whorled mallow winged loosestrife
warty panic grass whiplash pappus grass whorled marsh pennywort winged monkey flower
Washington hawthorn white ash whorled milkweed winged pigweed
water bulrush white avens whorled milkwort winged smotherweed, summer cypress
water celery, tape grass white baneberry, doll’s eyes whorled mountain mint wingstem
water chestnut white basswood whorled rosinweed winter aconite
water clover white beak sedge whorled water milfoil winter creeper
water cress white bear sedge whorled wood aster winter grape
water forget-me-not white bog orchid, bog candle wide-leaved cattail winter honeysuckle
water foxtail white campion wide-leaved prickly bog sedge winter vetch
water hyacinth white clintonia, speckled wood lily wider-leaved creeping spearwort wintergreen, teaberry
water lettuce white clover widgeon grass, ditch grass Wirtgen’s bedstraw
water lobelia white colicroot, unicorn root Wiegand’s rush wiry witch grass
water manna grass white cut grass Wiegand’s sedge Wisconsin hybrid willowherb
water mint white dead nettle, snowflake Wiegand’s wild rye witch hazel
water pepper white death camas wig knapweed Wolf’s spike rush
water pimpernel, brookweed white dock wild basil wood anemone
water purslane white doll’s daisy wild bean wood bedstraw
water sedge white false indigo wild black cherry wood betony, eastern lousewort
water speedwell white fringed orchid wild black currant wood bulrush
water star grass white genepì wormwood wild calla wood horsetail
water willow white horehound wild carrot wood lily
watermelon white mignonette wild chervil wood nettle
waterpod white milkweed wild columbine, red columbine wood vetch
watershield white morning glory wild crab apple Wood’s sedge
waterwheel plant white mountain saxifrage wild cucumber woodland agrimony
wavy-leaved aster white mulberry wild geranium woodland arctic cudweed
wavy-leaved mullein white mullein wild ginger woodland blue grass
wayfaring tree white mustard wild hydrangea woodland buttercup, woodland crowfoot
weak blue grass white oak wild indigo woodland club sedge
weak rush white petunia wild licorice woodland hedge nettle
weak stellate sedge white pine wild lupine, sundial lupine woodland lettuce
weak-stalked bulrush white prickly poppy wild marjoram woodland muhly
weasel’s snout, lesser snapdragon white rattlesnake root wild oats woodland sage
weed celery white rose wild oats, sessile-leaved bellwort woodland stonecrop
weedy dog fennel white sage wild pansy, field pansy woodland sunflower
weeping birch white seablite wild parsnip woodland tobacco
weeping crack willow white spruce wild pepperweed woolly croton
weeping forsythia white stonecrop wild pink woolly cup grass, hairy cup grass
weeping love grass white swallowwort wild potato woolly lip fern, hairy lip fern
weeping white willow white sweet clover wild potato vine woolly mullein
weft fern white trillium wild quinine woolly pipevine
weigela white trout lily wild radish woolly rosette grass
welted thistle white turtlehead wild sarsaparilla woolly sedge
West Indian gherkin white vervain wild sensitive plant woolly-fruited sedge
western beakgrain white wall rocket wild sweet William wormseed
western bugleweed, western water horehound white water buttercup, white water crowfoot wild tarragon wormseed mustard
western golden crownbeard white willow wild teasel Wright’s rosette grass
western ragweed white wood aster wild tobacco Wright’s spike rush
western snowberry white-bracted thoroughwort wild yam wrinkle-seeded sedge

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