Flora
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Instructions:
Flora images are stored alphabetically by scientific name. If you know the scientific genus, click on the appropriate letter above. If not you can use the table of common names to locate a likely scientific name and click on that to find the image you want.

A'ali'iDodonaea viscosa
Abutilon, HoaryAbutilon incanum
Adam's NeedleYucca filamentosa
AgaritaMahonia trifoliolata
Agave, Chisos MountainAgave glomeruliflora
Agave, DesertAgave deserti
Ageratum, HardyConoclinium coelestinum
Agoseris, PaleAgoseris glauca
'aiakaneneCoprosma ernodeoides
Air PlantKalanchoe pinnata
Alaska CottonEriophorum scheuchzeri
Alder, RedAlnus rubra
AlumrootHeuchera richardsonii
Alumroot, PinkHeuchera rubescens
American ThreefoldTrixis californica
American VetchVicia americana
AnacahuitaCordia boissieri
AnacuaEhretia anacua
Anemone, CarolinaAnemone caroliniana
Anemone, DesertAnemone tuberosa
Anemone, MeadowAnemone canadensis
Anemone, Narcissus-floweredAnemone narcissiflora
Anemone, NorthernAnemone parviflora
Anemone, RueThalictrum thalictroides
Anemone, Small-floweredAnemone parviflora
Anemone, TallAnemone virginiana
Anemone, Two-FlowerAnemone edwardsiana var. petraea
Anemone, WoodAnemone quinquefolia
Anemone, YellowAnemone richardsonii
Angelica, GreatAngelica atropurpurea
Angel's TrumpetBrugmansia x candida (aurea x versicolor)
Apache PlumeFallugia paradoxa
Arbor VitaeThuja occidentalis
Arbutus, TrailingEpigaea repens
Arnica, BroadleafArnica latifolia
Arnica, HairyArnica mollis
Arnica, Heart-leavedArnica cordifolia
Arnica, Lessing'sArnica lessingii
Arnica, MountainArnica latifolia
Arnica, NoddingArnica lessingii
Arrow GrassScheuchzeria palustris
Arrowhead, Bull-tongueSagittaria lancifolia
Arrowhead, CommonSagittaria latifolia
Arrow-weedPluchea sericea
Arrowwood, DowneyViburnum rafinesquianum
Ash, WaferPtelea trifoliata
Aspen, QuakingPopulus tremuloides
Aster, ArcticEurybia sibirica
Aster, AromaticSymphyotrichum oblongifolium
Aster, BogOclemena nemoralis
Aster, BristlySymphyotrichum puniceum var. puniceum
Aster, Common Blue WoodSymphyotrichum cordifolium
Aster, Flat-toppedDoellingeria umbellata
Aster, Flax-leavedIonactis linariifolius
Aster, HairySymphyotrichum pilosum var. pilosum
Aster, HeathSymphyotrichum ericoides
Aster, Mohave WoodyXylorhiza tortifolia
Aster, New EnglandSymphyotrichum novae-angliae
Aster, Orcutt'sXylorhiza orcuttii
Aster, PanicledSymphyotrichum lanceolatum ssp. lanceolatum
Aster, Purple-stemmedSymphyotrichum puniceum var. puniceum
Aster, SiberianEurybia sibirica
Aster, Side-floweringSymphyotrichum lateriflorum
Aster, SilkySymphyotrichum sericeum
Aster, SkyblueSymphyotrichum oolentangiense var. oolentangiense
Aster, Smooth BlueSymphyotrichum laeve
Aster, StiffOligoneuron album
Aster, SwampSymphyotrichum puniceum var. puniceum
Aster, Western ShowyEurybia conspicua
Aster, Western SilverSymphyotrichum sericeum
Aster, Whorled WoodOclemena acuminata
Aster, Yellow StiffOligoneuron x lutescens
Avalanche-Lily, WhiteErythronium montanum
Avens, WaterGeum rivale
Azalea, AlpineLoiseleuria procumbens
Azalea, CascadeRhododendron albiflorum
Azalea, WesternRhododendron occidentale
Baby Blue-eyesNemophila menziesii
Babybonnets, RosaryCoursetia glandulosa
Baby-innocence, GreaterTonella floribunda
Bald CypressTaxodium distichum
Balsamroot, Arrow-leavedBalsamorhiza sagittata
Baneberry, RedActaea rubra
Baneberry, WhiteActaea pachypoda
Barberry, Holly-leavedMahonia aquifolium
Barberry, JapaneseBerberis thunbergii
Barberry, RedMahonia haematocarpa
Barometer Bush, TexasLeucophyllum frutescens
Basin Yellow CryptanthaCryptantha confertiflora
Bay HopsIpomoea pes-caprae
Bay, CaliforniaUmbellularia californica
Beak Rush, HairRhynchospora capillacea
Beak Rush, WhiteRhynchospora alba
Beard-tongue, ChaparralKeckiella antirrhinoides
Beard-tongue, FoxglovePenstemon digitalis
Beardtongue, HairyPenstemon hirsutus
Beardtongue, LowPenstemon humilis
Beardtongue, MinidokaPenstemon perpulcher
Beard-tongue, PalePenstemon pallidus
BearflowerBoykinia richardsonii
BeargrassXerophyllum tenax
Bedstraw, BogGalium labradoricum
Bedstraw, NorthernGalium boreale
Beech DropsEpifagus virginiana
Beech, AmericanFagus grandifolia
Beech, BlueCarpinus caroliniana
Beggarticks, HawaiiBidens hawaiensis
Bellflower, EuropeanCampanula rapunculoides
Bellflower, MarshCampanula aparinoides
Bellflower, Parry'sCampanula parryi
Bellflower, TallCampanulastrum americanum
BellwortUvularia grandiflora
Bellwort, PerfoliateUvularia perfoliata
Bellwort, sessileleafUvularia sessilifolia
Bergamot, WildMonarda fistulosa
Be-Still TreeThevetia peruviana
Betony, FenPedicularis lanceolata
Betony, WoodPedicularis canadensis
Bindweed, Hedge FalseCalystegia sepium
Bindweed, Low FalseCalystegia spithamaea
Bindweed. FieldConvolvulus arvensis
Birch, BogBetula pumila
Birch, PaperBetula papyrifera
Bird's EyesGilia tricolor
Biscuitroot, FernleafLomatium dissectum
Biscuitroot, IdahoLomatium idahoense
Bistort, AlpinePolygonum viviparum
Bistort, AmericanPolygonum bistortoides
Bistort, MeadowPolygonum bistorta
BitterrootLewisia rediviva
Bittersweet, OrientalCelastrus orbiculatus
Black HawViburnum prunifolium
Black-Eyed SusanRudbeckia hirta
Black-eyed Susan, SweetRudbeckia subtomentosa
Blackfoot, HoaryMelampodium cinereum
Blackfoot, PlainsMelampodium leucanthum
Bladdernut, AmericanStaphylea trifolia
Bladderpod, RoseLesquerella purpurea
Bladderpod, SpiderflowerCleome isomeris
Bladdersage, MexicanSalazaria mexicana
Bladderwort, Flat-LeavedUtricularia intermedia
Bladderwort, GreatUtricularia macrorhiza
Bladderwort, HornedUtricularia cornuta
Bladderwort, SmallUtricularia minor
Blazing Star, ButtonLiatris aspera
Blazing Star, CylindricalLiatris cylindracea
Blazing Star, MarshLiatris spicata
Blazing Star, SandMentzelia involucrata
Blazing Star, SpinyhairMentzelia tricuspis
Blazing Star, White-StemmedMentzelia albicaulis
Bleed HeartLamprocapnos spectabilis
Bleeding Heart, PacificDicentra formosa
BloodrootSanguinaria canadensis
Blue FlaxLinum lewisii
Blue HeartsBuchnera americana
Bluebead LilyClintonia borealis
Bluebells, NorthernMertensia paniculata var. borealis
Bluebells, NorthernMertensia paniculata var. paniculata
Bluebells, Oblong-leafMertensia oblongifolia
Bluebells, SmallMertensia longiflora
Bluebells, Tall FringedMertensia ciliata
Bluebells, VirginiaMertensia virginica
Blueberry, AlaskaVaccinium alaskaense
Blueberry, BogVaccinium uliginosum
Blueberry, Early Low-bushVaccinium pallidum
Blueberry, HighbushVaccinium corymbosum
Blueberry, LowbushVaccinium angustifolium
Blueberry, VelvetleafVaccinium myrtilloides
Bluebonnet, Big BendLupinus havardii
Blue-eyed GrassSisyrinchium albidum
Blue-eyed GrassSisyrinchium bellum
Blue-eyed Grass, MountainSisyrinchium montanum
Blue-eyed Grass, Narrow-leavedSisyrinchium angustifolium
Blue-eyed Grass, StrictSisyrinchium montanum
Blue-eyed Mary, SpringCollinsia verna
Blue-eyed Mary, VioletCollinsia violacea
Bluestar, FringedAmsonia ciliata
Bluestar, Palmer'sAmsonia palmeri
Bluestem, BigAndropogon gerardii
Bluestem, LittleSchizachyrium scoparium
BluetsHoustonia caerulea
Bluets, Long-leavedHoustonia longifolia
Bluets, Thyme-leavedHoustonia serpyllifolia
Bog Arrow Grass, CommonTriglochin maritima
Bog Arrow Grass, SlenderTriglochin palustris
Bog Orchid, Round-leavedAmerorchis rotundifolia
Bog Orchid, SlenderPlatanthera stricta
Bog Orchid, WhitePlatanthera dilatata
Bog Orchid. NorthernPlatanthera aquilonis
Bog RosemaryAndromeda polifolia
Bog VioletPinguicula villosa
BonesetEupatorium perfoliatum
Boneset, TallEupatorium altissimum
Bouncing BetSaponaria officinalis
Bower PlantPandorea jasminoides
BrackenfernPteridium aquilinum
Bride's BonnetClintonia uniflora
Bristlehead, Bigelow'sCarphochaete bigelovii
British SoldiersCladonia cristatella
BrittlebushEncelia farinosa
BrittlestemMabrya acerifolia
Brodiaea, CrownBrodiaea coronaria ssp. coronaria
Brodiaea, DwarfBrodiaea terrestris ssp. terrestris
Brodiaea, Thread-leavedBrodiaea filifolia
Brodiaea, WhiteTriteleia hyacinthina
Brome, PrairieBromus kalmii
BromeliadAechmia dichlamydea
Brook LettuceSaxifraga micranthidifolia
Brookfoam, CoastalBoykinia occidentalis
Brookfoam, Richardson'sBoykinia richardsonii
Broom, SpanishSpartium junceum
Broomrape, ClusteredOrobanche fasciculata
Broomrape, DesertOrobanche cooperi
Broomrape, One-floweredOrobanche uniflora
Brown-Eyed SusanRudbeckia triloba
BuckbeanMenyanthes trifoliata
Buck-brush, BlueCeanothus cuneatus var. cuneatus
Buckeye, MexicanUngnadia speciosa
Buckeye, OhioAesculus glabra
Buckeye, PaleAesculus pavia var. flavescens
Buckeye, RedAesculus pavia var. pavia
Buckeye, RedAesculus pavia var. flavescens
BuckwheatEriogonum sp.
Buckwheat, Alpine GoldenEriogonum flavum
Buckwheat, CaliforniaEriogonum fasciculatum
Buckwheat, CushionEriogonum ovalifolium
Buckwheat, DuneEriogonum parvifolium
Buckwheat, Fraziers WellEriogonum ripleyi
Buckwheat, ParsnipflowerEriogonum heracleoides
Buckwheat, Ripley'sEriogonum ripleyi
Buffaloberry, RussetShepherdia canadensis
BugleweedLycopus virginicus
Bugleweed, BlueAjuga reptans
Bulrush, Hard-stemmedScirpus acutus var. acutus
Bulrush, RedScirpus pendulus
BunchberryCornus canadensis
Bunchberry, WesternCornus unalaschkensis
Bur Reed, AmericanSparganium americanum
Bur Reed, CommonSparganium eurycarpum
Bur Reed, Narrow-leaved FloatingSparganium angustifolium
Bur-Marigold, NoddingBidens cernua
Bur-Marigold, TallBidens coronata
Burnet, CanadianSanguisorba canadensis
Burning BushEuonymus atropurpureus
Bush Clover, PrairieLespedeza leptostachya
Bush Clover, Round-headedLespedeza capitata
Bush PeaLathyrus brachycalyx zionis
Bush Sunflower, CaliforniaEncelia californica
Bushmallow, ChaparralMalacothamnus densiflorus
Butter-and-EggsTriphysaria eriantha ssp. eriantha
Butter-and-EggsLinaria vulgaris
Buttercup, Anderson'sRanunculus andersonii
Buttercup, BristlyRanunculus hispidus
Buttercup, CaliforniaRanunculus californicus
Buttercup, EarlyRanunculus fascicularis
Buttercup, LargeRanunculus macranthus
Buttercup, PrairieRanunculus rhomboideus
Buttercup, SagebrushRanunculus glaberrimus
Buttercup, SandRanunculus andersonii
Buttercup, SwampRanunculus hispidus var. nitidus
Buttercup, WesternRanunculus occidentalis
Butterfly WeedAsclepias tuberosa
ButterweedPackera glabella
Butterweed, CaliforniaSenecio californicus
Butterweed, ShrubbySenecio flaccidus
Butterwort, CommonPinguicula vulgaris
Butterwort, HairyPinguicula villosa
ButtonbushCephalanthus occidentalis
Buttter and Eggs, PinkTriphysaria eriantha ssp. rosea
Cactus, Arizona FishhookMammillaria grahamii
Cactus, BarrelFerocactus cylindraceus var. cylindraceus
Cactus, BeavertailOpuntia basilaris
Cactus, Boyce Thompson HedgehogEchinocereus boyce-thompsonii
Cactus, Claret-cup HedgehogEchinocereus triglochidiatus
Cactus, Desert ChristmasCylindropuntia leptocaulis
Cactus, Engelmann's HedgehogEchinocereus engelmannii
Cactus, Fendler HedgehogEchinocereus fendleri
Cactus, Little FishhookMammillaria tetrancistra
Cactus, Mojave MoundEchinocereus triglochidiatus
Cactus, NippleMammillaria dioica
Cactus, Nipple BeehiveCoryphantha macromeris
Cactus, Organ PipeStenocereus thurberi
Cactus, Rusty HedgehogEchinocereus russanthus
Cactus, Scarlet HedgehogEchinocereus coccineus
Cactus, WalkingstickCylindropuntia spinosior
Calamint, LimestoneClinopodium arkansanum
Calamint, LowClinopodium arkansanum
Calicoflower, MaroonspotDowningia concolor ssp. concolor
California PeonyPaeonia californica
Camas, CommonCamassia quamash
Camas, WhiteZigadenus elegans ssp. glaucus
Campion, BladderSilene vulgaris
Campion, MossSilene acaulis
Campion, StarrySilene stellata
Campion, WhiteSilene latifolia ssp. alba
Cancer Root, AmericanConopholis americana
CandelillaEuphorbia antisyphilitica
CandlenutAleurites moluccana
Candy FlowerClaytonia sibirica
Canterbury Bells, WildPhacelia minor
Cardinal FlowerLobelia cardinalis
Carolina AllspiceCalycanthus floridus
Carrion FlowerSmilax lasioneura
Carrionflower, UprightSmilax ecirrhata
Castor BeanRicinus communis
Catchfly, RoyalSilene regia
Cat's WhiskersOrthosiphon stamineus
Cattail, CommonTypha latifolia
Cattail, Narrow-leavedTypha angustifolia
Ceanothus, DesertCeanothus greggii
Ceanothus, Hoary-leavedCeanothus crassifolius
CelandineChelidonium majus
CenizoLeucophyllum frutescens
Century Plant, Chisos MountainAgave glomeruliflora
Cereus, Night-BloomingHylocereus undatus
Chaffhead, HairyCarphephorus paniculatus
CheckerberryGaultheria procumbens
CheckerbloomSidalcea malviflora
Checkerbloom, OregonSidalcea oregana
Cheese BushHymenoclea salsola
Cheesewood, KonaPittosporum hosmeri
Cherry, ChokePrunus virginiana
Cherry, Great Lakes SandPrunus pumila var. pumila
Cherry, Wild BlackPrunus serotina
ChiaSalvia columbariae
Chicken of the WoodsLaetiporus sulphureus
Chickweed, CommonStellaria meadia
Chickweed, FieldCerastium arvense
Chickweed, GiantStellaria pubera
ChicoryCichorium intybus
Chicory, DesertRafinesquia neomexicana
Chinese Houses, PurpleCollinsia heterophylla
Chinese Houses, SouthernCollinsia concolor
ChokeberryAronia prunifolia
Chokeberry, BlackPhotinia melanocarpa
Cholla, BuckhornCylindropuntia acanthocarpa
Cholla, ChainfruitCylindropuntia fulgida var. fulgida
Cholla, Hanging ChainCylindropuntia fulgida var. fulgida
Cholla, JumpingCylindropuntia bigelovii
Cholla, Wolf'sCylindropuntia wolfii
Christmas BerryHeteromeles arbutifolia
ChuparosaJusticia californica
Cinquefoil, AlpinePotentilla villosa
Cinquefoil, CommonPotentilla simplex
Cinquefoil, High MountainPotentilla flabellifolia
Cinquefoil, MarshComarum palustre
Cinquefoil, PrairiePotentilla arguta
Cinquefoil, RoughPotentilla norvegica
Cinquefoil, ShrubbyDasiphora fruticosa ssp. floribunda
Cinquefoil, SulfurPotentilla recta
Cinquefoil, VillousPotentilla villosa
ClearweedPilea pumila
CleaversGalium aparine
Clematis, HairyClematis hirsutissima
Clematis, PipestemClematis lasiantha
Clematis, Western WhiteClematis ligusticifolia
Cliffrose, ArizonaPurshia x subintegra
Cliffrose, MexicanPurshia mexicana
Cliffrose, StansburyPurshia stansburiana
ClintoniaClintonia borealis
Clintonia, Andrew'sClintonia andrewsiana
Clintonia, RedClintonia andrewsiana
Clintonia, WhiteClintonia umbellatum
Clover, CowbagTrifolium depauperatum
Clover, King'sTrifolium kingii ssp. macilentum
Clover, Large-headedTrifolium macrocephalum
Clover, LeanTrifolium kingii ssp. macilentum
Clover, TomcatTrifolium willdenowii
Clover, VariegatedTrifolium variegatum
Clubmoss, RunningLycopodium clavatum
Clubmoss, SandSelaginella rupestris
Clubmoss, StaghornLycopodiella cernua
Coastal TidytipsLayia platyglossa
CoffeeCoffea arabica
Cohosh, BlueCaulophyllum thalictroides
Collared Annual LupineLupinus truncatus
Collinsia, Few-floweredCollinsia sparsiflora
ColtsfootTussilago farfara
ColumbineAquilegia canadensis
Columbine, Colorado BlueAquilegia coerulea
Columbine, WesternAquilegia formosa
Columbine, YellowAquilegia flavescens
Comfrey, WildCynoglossum virginianum
Common FiddleneckAmsinckia menziesii var. intermedia
Common LinanthusLeptosiphon parviflorus
Common MuillaMuilla maritima
Common ReedPhragmites australis
Compass PlantSilphium laciniatum
Compassplant, CaliforniaWyethia angustifolia
Coneflower, CutleafRudbeckia laciniata var. laciniata
Coneflower, Green-headedRudbeckia laciniata var. laciniata
Coneflower, Pale PurpleEchinacea pallida
Coneflower, PurpleEchinacea purpurea
Coneflower, SweetRudbeckia subtomentosa
Coneflower, YellowRatibida pinnata
Coralroot, EarlyCorallorhiza trifida
Coralroot, PacificCorallorhiza mertensiana
Coralroot, SpottedCorallorhiza maculata
Coralroot, StripedCorallorhiza striata
Coralroot, WesternCorallorhiza mertensiana
Coreopsis, GiantCoreopsis gigantea
Coreopsis, SandCoreopsis lanceolata
Coreopsis, StiffCoreopsis palmata
Coreopsis, Stillman'sCoreopsis stillmanii
Coreopsis, TallCoreopsis tripteris
Cornel, LaplandCornus suecica
Corydalis, GoldenCorydalis aurea
Corydalis, PaleCorydalis flavula
Corydalis, PinkCorydalis sempervirens
Corydalis, Scouler'sCorydalis scouleri
Cotton Grass, DenseEriophorum vaginatum var. spissum
Cotton Grass, Hare's-tailEriophorum vaginatum var. spissum
Cotton Grass, Narrow-LeavedEriophorum angustifolium
Cotton Grass, RustyEriophorum virginicum
Cotton Grass, WhiteEriophorum scheuchzeri
Cottonwood, FremontPopulus fremontii
Cow ParsnipHeracleum maximum
CowbaneOxypolis rigidior
Cowslip, EuropeanPrimula veris
Crab Apple, IowaMalus ioensis
Cranberry, LargeVaccinium macrocarpon
Cranberry, Small-fruitedVaccinium oxycoccos
Cream CupsPlatystemon californicus
Cream SacsCastilleja rubicundula ssp. lithospermoides
Creeper, VirginiaParthenocissus quinquefolia
Creeping MahoniaMahonia repens
Creeping-oxeyeSphagneticola trilobata
Creosote BushLarrea tridentata
Cress, BulbousCardamine bulbosa
Cress, RockArabis sp.
Cress, SandArabis lyrata
Cress, SpringCardamine douglassii
Cress, WhitlowDraba reptans
Cress, WinterBarbarea vulgaris
Crocus, DutchCrocus vernus
Croton, Cortez'sCroton cortesianus
Crow PoisonNothoscordum bivalve
Crowberry, BlackEmpetrum nigrum
Cryptantha, CommonCryptantha intermedia
Cryptantha, CushionCryptantha circumscissa
Cuckoo-FlowerCardamine pratensis
Cucumber Root, IndianMedeola virginiana
Cucumber, WildMarah macrocarpus
Cucumber, WildEchinocystis lobata
Culver's RootVeronicastrum virginicum
Cup PlantSilphium perfoliatum
Currant, White-floweringRibes indecorum
Currents, WaxRibes cereum
Cypress, PondTaxodium ascendens
DaffodilNarcissus pseudonarcissus
Daisy FleabaneErigeron strigosus
Daisy Fleabane, MarshErigeron philadelphicus
Daisy, BlackfootMelampodium leucanthum
Daisy, CutleafErigeron compositus
Daisy, LakesideTetraneuris herbacea
Daisy, Ox-EyeLeucanthemum vulgare
Daisy, SeasideErigeron glaucus
Daisy, Stemmy Four-nerveTetraneuris scaposa var. scaposa
Daisy, Wallace's WoollyAntheropeas wallacei
DaleaDalea pulchra
Dalea, BeardedDalea pogonathera var. pogonathera
Dalea, FeatherDalea pogonathera var. pogonathera
Dame's RocketHesperis matronalis
Dandelion, DesertMalacothrix glabrata
Dandelion, DwarfKrigia virginica
Dayflower, Narrow-LeavedCommelina erecta
Dead Nettle, PurpleLamium purpureum
Deadnettle, HenbitLamium amplexicaule
Death Camas, Fremont'sZigadenus fremontii
Death Camas, MeadowZigadenus venenosus
Death Camas, MountainZigadenus elegans ssp. elegans
Deer CabbageNephrophyllidium crista-galli
Deerweed, CommonLotus scoparius
Delphinium, BilobedDelphinium nuttallianum
Deptford PinksDianthus armeria
Desert ApricotPrunus fremontii
Desert FivespotEremalche rotundifolia
Desert HollyhockSphaeralcea ambigua
Desert MarigoldBaileya multiradiata
Desert Prince's PlumeStanleya pinnata
Desert SennaSenna covesii
Desert Snapdragon, GoldenMohavea breviflora
Desert StarMonoptilon bellioides
Desert Sunflower, HairyGeraea canescens
Desert ThornappleDatura discolor
Desert TrumpetsEriogonum inflatum
DesertbellsPhacelia campanularia
Desert-Rue, MojaveThamnosma montana
Devil's ClubOplopanax horridus
Devil's-tongueOpuntia humifusa
Dock, CurledRumex crispus
Dock, Great WaterRumex orbiculatus
Dock, PaleRumex altissimus
Dodder, CommonCuscuta gronovii
Dodder, RopeCuscuta glomerata
Dog HobbleLeucothoe fontanesiana
Dogbane, SpreadingApocynum androsaemifolium
DogfennelEupatorium capillifolium
DogweedThymophylla sp.
Dogwood, Alternate-leavedCornus alternifolia
Dogwood, FloweringCornus florida
Dogwood, GrayCornus racemosa
Dogwood, PacificCornus nuttallii
Dogwood, RedosierCornus sericea
Dogwood, Round LeavedCornus rugosa
Dogwood, SilkyCornus obliqua
Douglasia, SmoothDouglasia laevigata
Downingia, Spotted-throatDowningia concolor ssp. concolor
Draba, WedgeleafDraba cuneifolia
DragonfruitHylocereus undatus
Dropseed, PrairieSporobolus heterolepis
Dropseed, RoughSporobolus compositus var.compositus
Drops-of-goldProsartes hookeri
Dubautia, RoughDubautia scabra
Duck PotatoSagittaria lancifolia
DuckweedLemna sp.
Dudleya, ChalkDudleya pulverulenta
Dudleya, Lance-leavedDudleya lanceolata
Dudleya, RockDudleya collomiae
Dusty MaidenChaenactis douglasii
Dutchman's BreechesDicentra cucullaria
Dwarf BrambleRubus pedatus
Dwarf Cornel, SwedishCornus suecica
Dwarf PalmettoSabal minor
Dwarf-Primrose, CliffDouglasia laevigata
Echeveria, RockDudleya collomiae
Elder, Red-berriedSambucus racemosa var. racemosa
ElderberrySambucus nigra ssp. canadensis
Elm, WingedUlmus alata
Eskimo PotatoHedysarum alpinum
Eucalyptus, RainbowEucalyptus deglupta
Evening Primrose, BeachCamissonia cheiranthifolia
Evening Primrose, BoothCamissonia boothii
Evening Primrose, Brown-eyedCamissonia claviformis
Evening Primrose, CommonOenothera biennis
Evening Primrose, DandelionOenothera flava ssp. taraxacoides
Evening Primrose, DesertOenothera primiveris
Evening Primrose, DuneOenothera deltoides
Evening Primrose, HairyOenothera villosa
Evening Primrose, MustardCamissonia californica
Evening Primrose, Narrow-leavedCamissonia refracta
Evening Primrose, SandOenothera clelandii
Evening Primrose, ShowyOenothera grandis
Evening Primrose, ToothedCalylophus serrulata
Evening Primrose, TuftedOenothera caespitosa
Evening Primrose, YellowOenothera flava ssp. taraxacoides
Everlasting, PearlyAnaphalis margaritacea
Fagonbush, CaliforniaFagonia laevis
Fairybell, Smith'sProsartes smithii
Fairy-bellsProsartes hookeri
Fairybells, LargeflowerProsartes smithii
Fairybells, YellowProsartes lanuginosa
FairydusterCalliandra eriophylla
Fairy-lantern, GoldenCalochortus amabilis
Fairy-lantern, WhiteCalochortus albus
FairywandChamaelirium luteum
False AsphodelTofieldia glutinosa
False AsterBoltonia asteroides
False AzaleaMenziesia ferruginea
False BonesetBrickellia eupatorioides var. corymbulosa
False Canada MayflowerMaianthemum trifolium
False DandelionKrigia biflora
False FoxgloveAgalinis sp.
False Foxglove, ClammyAureolaria pedicularia
False Foxglove, PurpleAgalinis purpurea
False Foxglove, RoughAgalinis aspera
False Foxglove, SlenderAgalinis tenuifolia
False Foxglove, YellowAureolaria grandiflora var. pulchra
False GarlicNothoscordum bivalve
False Goldenaster, LemonyellowHeterotheca camporum
False Hellebore, CaliforniaVeratrum californicum
False Hellebore, GreenVeratrum viride
False NightshadeChamaesaracha sordida
False Nightshade, WoollyChamaesaracha villosa
False PennyroyalTrichostema brachiatum
False Rue AnemoneEnemion biternatum
False Solomon's Seal, PlumyMaianthemum racemosum
False Solomon's Seal, StarryMaianthemum stellatum
Fan PalmWashingtonia filifera
FeatherplumeDalea formosa
Fern, Aleutian MaidenhairAdiantum aleuticum
Fern, Ama'uma'uSadleria cyatheoides
Fern, Blunt-loped CliffWoodsia obtusa
Fern, Broad BeechPhegopteris hexagonoptera
Fern, BulbletCystopteris bulbifera
Fern, California MaidenhairAdiantum jordanii
Fern, ChristmasPolystichum acrostichoides
Fern, CinnamonOsmunda cinnamomea
Fern, Common LadyAthyrium filix-femina
Fern, Common MaidenhairAdiantum capillus-veneris
Fern, Cut-leaved GrapeBotrychium dissectum
Fern, DeerBlechnum spicant
Fern, Five-fingeredAdiantum aleuticum
Fern, FragileCystopteris fragilis
Fern, HardBlechnum spicant
Fern, Hay-scentedDennstaedtia punctilobula
Fern, InterruptedOsmunda claytoniana
Fern, Long BeechPhegopteris connectilis
Fern, MaidenhairAdiantum pedatum
Fern, Marsh ShieldThelypteris palustris
Fern, OstrichMatteuccia struthiopteris
Fern, RattlesnakeBotrychium virginianum
Fern, ResurrectionPleopeltis polypodioides ssp. michauxiana
Fern, RoyalOsmunda regalis
Fern, SensitiveOnoclea sensibilis
Fern, Spinulose WoodDryopteris carthusiana
Fern, WalkingAsplenium rhizophyllum
FeverwortTriosteum perfoliatum
Field SorrelRumex acetosella
Fiesta Flower, ArizonaPholistoma auritum var. arizonicum
Fiesta Flower, WhitePholistoma membranaceum
Fiesta-flower, BluePholistoma auritum var. auritum
Fig, HottentotCarpobrotus edulis
Fig, SeaCarpobrotus chilensis
Figwort, CaliforniaScrophularia californica
Fir, BalsamAbies balsamea
Fir, SubalpineAbies lasiocarpa
FireweedChamerion angustifolium ssp. circumvagum
FireweedChamerion angustifolium ssp. angustifolium
Fireweed, DwarfChamerion latifolium
Fishers OrchidDactylorhiza aristata
Five Eyes, TransPecosChamaesaracha villosa
FivespotNemophila maculata
Flag, Larger BlueIris versicolor
FlannelbushFremontodendron californicum
Flax, CommonLinum usitatissimum
Flax, Grooved YellowLinum sulcatum
Fleabane, CoastalErigeron peregrinus
Fleabane, SubalpineErigeron peregrinus
Floating HeartNymphoides cordata
Floating Heart, YellowNymphoides peltata
Flower-of-an-HourHibiscus trionum
FoamflowerTiarella cordifolia
Foamflower, ThreeleafTiarella trifoliata
Fog FruitPhyla lanceolata
Forget-Me-NotMyosotis scorpioides
Forget-me-not, AlpineMyosotis asiatica
Forget-Me-Not, Large-SeededMyosotis macrosperma
Forked FernDicranopteris linearis
Four O'Clock, CaliforniaMirabilis laevis var. laevis
Four O'clock, Desert WhiteMirabilis laevis var. villosa
Four O'Clock, HeartleafMirabilis nyctaginea
Four O'clock, TrailingAllionia incarnata
Four O'Clock, WildMirabilis laevis var. laevis
Foxglove, PurpleDigitalis purpurea
FrangipaniPlumeria sp.
Fringetree, WhiteChionanthus virginicus
Fritillary, FragrantFritillaria liliacea
Fritillary, YellowFritillaria pudica
Frost MatAchyronychia cooperi
Frying PansEschscholzia lobbii
Fumewort, CurvepodCorydalis curvisiliqua
Fumewort, Scouler'sCorydalis scouleri
Fumewort, YellowCorydalis flavula
Garland-lily, CreamHedychium flavescens
Garland-lily, KahilaHedychium gardnerianum
Garlic, WildAllium canadense
Gaura, CommonGaura biennis
GaywingsPolygala paucifolia
Gentian, BottleGentiana andrewsii
Gentian, ClosedGentiana clausa
Gentian, FringedGentianopsis crinita
Gentian, GlaucousGentiana glauca
Gentian, plainGentiana alba
Gentian, PrairieGentiana puberulenta
Gentian, Rainier PleatedGentiana calycosa
Gentian, Small FringedGentianopsis virgata
Gentian, SoapwortGentiana saponaria
Gentian, StiffGentianella quinquefolia ssp. quinquefolia
Geranium, Richardson'sGeranium richardsonii
Geranium, Sticky PurpleGeranium viscosissimum
Geranium, WildGeranium erianthum
Geranium, WildGeranium maculatum
Geranium, WoollyGeranium erianthum
GermanderTeucrium canadense
GhostflowerMohavea confertiflora
Giant Hyssop, NettleleafAgastache urticifolia
Giant Hyssop, PurpleAgastache scrophulariaefolia
Gila, ShowyGilia cana
GiliaGilia sp.
Gilia, Blue-headedGilia capitata
Gilia, GoldenLeptosiphon aureus ssp. aureus
Gilia, Lesser YellowthroatGilia flavocincta
Gilia, ScarletIpomopsis aggregata
Gilia, StarGilia stellata
Ginger, KahilaHedychium gardnerianum
Ginger, WildAsarum canadense
Ginger, YellowHedychium flavescens
Ginseng, DwarfPanax trifolius
Glacier-lily, YellowErythronium grandiflorum
GlademallowNapaea dioica
Globeflower, AmericanTrollius laxus
Globelily, GoldenCalochortus amabilis
Globemallow, CalicheSphaeralcea laxa
Globemallow, ScarletSphaeralcea coccinea
GlorybushTibouchina urvilleana
Goat's BeardTragopogon lamottei
Goat's Beard, SandTragopogon dubius
Goat's RueTephrosia virginiana
Golden AlexanderZizia aurea
Golden Alexander, Heart-leavedZizia aptera
Golden BannerThermopsis californica
Golden CarpetGilmania luteola
Golden CryptanthCryptantha confertiflora
Golden EardropsEhrendorferia chrysantha
Goldenbush, NarrowleafEricameria linearifolia
Goldeneye, Death ValleyViguiera reticulata
Goldeneye, NetveinViguiera reticulata
Goldeneye, Parish'sViguiera parishii
Goldenrod, BogSolidago uliginosa
Goldenrod, CanadaSolidago canadensis
Goldenrod, EarlySolidago juncea
Goldenrod, Grass-leavedEuthamia graminifolia var. graminifolia
Goldenrod, LateSolidago gigantea
Goldenrod, MissouriSolidago missouriensis var fasciculata
Goldenrod, NorthernSolidago multiradiata
Goldenrod, OhioOligoneuron ohioensis
Goldenrod, OldfieldSolidago nemoralis
Goldenrod, PrairieOligoneuron x lutescens
Goldenrod, Riddell'sOligoneuron riddellii
Goldenrod, Rocky MountainSolidago multiradiata
Goldenrod, SeasideSolidago sempervirens
Goldenrod, ShowySolidago speciosa
Goldenrod, StiffOligoneuron rigidum var. rigidum
Goldenrod, SwampSolidago patula
Goldenrod, TallSolidago altissima
Goldenrod, White PrairieOligoneuron album
Goldenrod, WreathSolidago caesia
Goldenrod, ZigzagSolidago flexicaulis
GoldensealHydrastis canadensis
GoldenstarErythronium rostratum
Goldenstar, CommonBloomeria crocea
Goldentop, SlenderEuthamia caroliniana
Goldfields, CaliforniaLasthenia californica
Gooseberry, CaliforniaRibes californicum
Gooseberry, Fuchsia-floweredRibes speciosum
Grape, RiverbankVitis riparia
Grass of ParnassusParnassia glauca
Grass of Parnassus, AlaskaParnassia palustris
Grass WidowsOlsynium douglasii
Grass, BottlebrushElymus hystrix var. hystrix
Grass, CordSpartina pectinata
Grass, Fowl ManaGlyceria striata
Grass, IndianSorghastrum nutans
Grass, JuneKoeleria macrantha
Grass, PorcupineHesperostipa spartea
Grass, Prairie PanicDichanthelium leibergii
Grass, Scribner's PanicDichanthelium oligosanthes var scribnerianum
Grass, Tufted HairDeschampsia caespitosa
Grass, VanillaHierochloŽ hirta
Gravel GhostAtrichoseris platyphylla
Greek ValerianPolemonium reptans
Green DragonArisaema dracontium
Greenbrier, CatSmilax glauca
Greenviolet, EasternHybanthus concolor
Gromwell, AmericanLithospermum latifolium
Ground Cherry, ClammyPhysalis heterophylla
Ground Cherry, Lance-leavedPhysalis virginiana
Ground Cherry, TallPhysalis longifolia var. subglabrata
Ground Cherry, Thick-leavedPhysalis crassifolia
Ground IvyGlechoma hederacea
Ground Pine, RunningLycopodium clavatum
Ground PinkLinanthus dianthiflorus
Ground PlumAstragalus crassicarpus
Groundcherry, PurpleQuincula lobata
Groundsel, Black-tippedSenecio lugens
Groundsel, GoldenPackera obovata
Groundsel, PrairiePackera plattensis
Guava, StrawberryPsidium cattleianum
Gum PlantGrindelia squarrosa
Gum, MindanaoEucalyptus deglupta
HalaPandanus tectorius
Hanging Lobster ClawHeliconia sp.
HarebellCampanula rotundifolia
Harebell, MountainCampanula lasiocarpa
HarvestbellsGentiana saponaria
HauHibiscus tiliaceus
Hawkweed, FieldHieracium caespitosum
Hawkweed, HairyHieracium gronovii
Hawkweed, OrangeHieracium aurantiacum
Hawthorn, HawaiiOsteomeles anthyllidifolia
Heather, Western MossCassiope mertensiana
Heather, WhiteCassiope mertensiana
Hedgenettle, CoastalStachys chamissonis
Hedgenettle, CoastalStachys chamissonis
Hedgenettle, MarshStachys tenuifolia
Hedgenettle, RigidStachys rigida var. rigida
Hedgenettle, ScarletStachys coccinea
Heliconia, Sexy PinkHeliconia chartacea
Heliconia, StripedHeliconia indica
Heliotrope, WildHeliotropium curassavicum
HelleborineEpipactis helleborine
Hemlock, EasternTsuga canadensis
Hepatica, Round-lobedHepatica nobilis var. obtusa
Hepatica, Sharp-lobedHepatica nobilis var. acutiloba
Herb-RobertGeranium robertianum
HibiscusHibiscus sp.
Hibiscus, HeartleafHibiscus martianus
Hibiscus, SeaHibiscus tiliaceus
Hibiscus, Turks CapMalvaviscus penduliflorus
Hideseed, SpottedEucrypta chrysanthemifolia
Highbush Cranberry, AmericanViburnum opulus var. americanum
Ho'awaPittosporum hosmeri
HobblebushViburnum lantanoides
Hog PeanutAmphicarpaea bracteata
Hollyhock, MountainIliamna rivularis
Honeysuckle, DesertAnisacanthus thurberi
Honeysuckle, LimberLonicera dioica
Honeysuckle, Northern BushDiervilla lonicera
Honeysuckle, PinkLonicera hispidula var. vacillans
Honeysuckle, RedLonicera dioica
Honeysuckle, Swamp FlyLonicera oblongifolia
Honeysuckle, TwinberryLonicera involucrata
Honeysuckle, TwinberryLonicera involucrata var. ledebourii
Honeysuckle, YellowLonicera reticulata
HopbushDodonaea viscosa
Hoptree, CommonPtelea trifoliata
Hornbeam, AmericanCarpinus caroliniana
Hornbeam, HopOstrya virginiana
Horse NettleSolanum carolinense
Horse-GentianTriosteum perfoliatum
Horsemint, OhioBlephilia ciliata
Horsetail, CommonEquisetum arvense
Horsetail, SmallEquisetum scirpoides
HoundstongueCynoglossum officinale
Huckleberry, MountainVaccinium membranaceum
Huckleberry, RedVaccinium parvifolium
Huckleberry, ThinleafVaccinium membranaceum
Hyacinth, GrapeMuscari botryoides
Hyacinth, WaterEichhornia crassipes
Hyacinth, WildDichelostemma capitatum
Hyacinth, WildCamassia scilloides
IliauWilkesia gymnoxiphium
ilima, yellowSida fallax
ImpatiensImpatiens walleriana
Indian HempApocynum cannabinum
Indian Paintbrush, Christ'sCastilleja christii
Indian Paintbrush, DownyCastilleja purpurea
Indian Paintbrush, EntireleafCastilleja indivisa
Indian Paintbrush, Giant RedCastilleja miniata
Indian Paintbrush, Giant RedCastilleja miniata
Indian Paintbrush, HarshCastilleja hispida
Indian Paintbrush, MountainCastilleja parviflora
Indian Paintbrush, Port ClarenceCastilleja caudata
Indian Paintbrush, RoughCastilleja scabrida
Indian Paintbrush, SlickrockCastilleja scabrida
Indian PipeMonotropa uniflora
Indian Plantain, PaleArnoglossum atriplicifolium
Indian Plantain, PrairieArnoglossum plantagineum
Indian Plantain, Sweet-scentedHasteola suaveolens
Indian WarriorPedicularis densiflora
Indianmallow, FalseAllowissadula holosericea
Indian-tobaccoLobelia inflata
Indigo BushAmorpha fruticosa
Indigo Bush, Shott'sPsorothamnus schottii
Insideout Flower, RedwoodVancouveria planipetala
Ipecac, AmericanGillenia stipulatus
Iris, BeachheadIris setosa
Iris, Blue FlagIris virginica var. shrevei
Iris, Bowl-tubeIris macrosiphon
Iris, DouglasIris douglasiana
Iris, Dwarf CrestedIris cristata
Iris, Dwarf LakeIris lacustris
Iris, Dwarf VioletIris verna
Iris, FoothillIris hartwegii
Iris, GermanIris germanica
Iris, GroundIris macrosiphon
Iris, Hartweg'sIris hartwegii
Iris, SiberianIris sibirica
Iris, Tall YellowIris pseudacorus
Iris, ToughleafIris tenax
Iris, WalkingNeomarica gracilis
Iris, Western Blue FlagIris missouriensis
Ironweed, CommonVernonia fasciculata
IronwoodOstrya virginiana
Ithuriel's SpearTriteleia laxa
Ivy, CapeDelairea odorata
Jack-in-the-PulpitArisaema triphyllum
Jacob's LadderPolemonium reptans
Jacob's Ladder, CaliforniaPolemonium californicum
Jacob's Ladder, LeafyPolemonium foliosissimum
Jacob's Ladder, LowPolemonium californicum
Jacob's Ladder, TallPolemonium acutiflorum
Jacob's Ladder, ToweringPolemonium foliosissimum
Jacob's-ladder, ShowyPolemonium pulcherrimum
JewelflowerCaulanthus heterophyllus
Jewelflower, Cooper'Caulanthus cooperi
Jewelflower, Coulter'sCaulanthus coulteri
JewelweedImpatiens capensis
Jewelweed, OrnamentalImpatiens glandulifera
Jewelweed, YellowImpatiens pallida
Jimsonweed, WesternDatura wrightii
Joe Pye Weed, PurpleEupatorium purpureum
Joe Pye Weed, SpottedEupatoriadelphus maculatus var. maculatus
Johnny JumpupViola pedunculata
Johnny-NipCastilleja ambigua
Johnny-tuckTriphysaria eriantha ssp. rosea
JointfirEphedra sp.
Joshua TreeYucca brevifolia
Juniper, AlligatorJuniperus deppeana
Juniper, CommonJuniperus communis
Juniper, GroundJuniperus communis
Juniper, UtahJuniperus osteosperma
KeyflowerDactylorhiza aristata
Kidneyvetch, CommonAnthyllis vulneraria
King's CrownRhodiola integrifolia ssp. integrifolia
KittentailsBesseya bullii
Knapweed, BlackCentaurea nigra
Knapweed, SpottedCentaurea stoebe ssp. Micranthos
KnockawayEhretia anacua
KoaAcacia koa
Koki'oKokia drynarioides
KokolauBidens hawaiensis
Ko'oloa 'ulaAbutilon menziesii
KupaoaDubautia scabra
Labrador TeaLedum groenlandicum
Ladies Tresses, Great PlainsSpiranthes magnicamporum
Ladies Tresses, HoodedSpiranthes romanzoffiana
Ladies Tresses, NoddingSpiranthes cernua
Ladies Tresses, Northern SlenderSpiranthes lacera
Lady FingersAnthyllis vulneraria
Ladyslipper, Greater YellowCypripedium parviflorum var. pubescens
Ladyslipper, Lesser YellowCypripedium parviflorum var. makasin
Ladyslipper, MountainCypripedium montanum
Ladyslipper, PinkCypripedium acaule
Ladyslipper, RamsheadCypripedium arietinum
Ladyslipper, ShowyCypripedium reginae
Ladyslipper, SparroweggCypripedium passerinum
Ladyslipper, SpottedCypripedium guttatum
Ladyslipper, WhiteCypripedium candidum
LantanaLantana camara
Lantana, TexasLantana urticoides
Larkspur, CanyonDelphinium nudicaule
Larkspur, DesertDelphinium parishii
Larkspur, DwarfDelphinium tricorne
Larkspur, Kern CountyDelphinium purpusii
Larkspur, LittleDelphinium bicolor
Larkspur, LowDelphinium bicolor
Larkspur, Nuttall'sDelphinium nuttallianum
Larkspur, RedDelphinium nudicaule
Larkspur, San BernardinoDelphinium parryi
Larkspur, SierraDelphinium glaucum
Larkspur, SlimDelphinium depauperatum
Larkspur, WesternDelphinium occidentale
LasiandraTibouchina urvilleana
Laurel, AlpineKalmia microphylla
Laurel, BogKalmia polifolia
Laurel, BogKalmia microphylla
Laurel, MountainKalmia latifolia
Laurel, Sheep (Lambkill)Kalmia angustifolia
Lavender, DesertHyptis emoryi
LaxflowerBaileya pauciradiata
Lead PlantAmorpha canescens
Leafcup, WhiteflowerPolymnia canadensis
LeatherflowerClematis hirsutissima
LeatherleafChamaedaphne calyculata
Leek, WildAllium tricoccum
LemonadeberryRhus integrifolia
Lespedeza, ChineseLespedeza cuneata
Lichen, WolfLetharia vulpina
Lily of the Valley, FalseMaianthemum dilatatum
Lily, ChocolateFritillaria biflora
Lily, ChocolateFritillaria camschatcensis
Lily, Clinton'sClintonia umbellatum
Lily, ColumbianLilium columbianum
Lily, CornVeratrum viride
Lily, DesertHesperocallis undulata
Lily, GlobeCalochortus albus
Lily, KamchatkaFritillaria camschatcensis
Lily, Kellogg'sLilium kelloggii
Lily, LeopardLilium pardalinum
Lily, MichiganLilium michiganense
Lily, PrairieLilium philadelphicum var. andinum
Lily, PrairieCooperia pedunculata
Lily, SegoCalochortus nuttallii
Lily, Striped BarbadosHippeastrum striatum
Lily, SwampCrinum americanum
Lily, WoodLilium philadelphicum var. philadelphicum
Lindley's SilverpuffsMicroseris lindleyi
Lip Fern, WoollyCheilanthes tomentosa
Little Prince's PineChimaphila menziesii
Live-for-ever, CanyonDudleya cymosa
Lobelia, GladeLobelia glandulosa
Lobelia, Great BlueLobelia siphilitica
Lobelia, Kalm'sLobelia kalmii
Lobelia, Pale SpikedLobelia spicata
Lobster Claw, HangingHeliconia rostrata
LocoweedAstragalus sp.
Locoweed, FieldOxytropis campestris
Locoweed, PomonaAstragalus pomonensis
Locoweed, ScarletAstragalus coccineus
Locoweed, WoollyAstragalus mollissimus
Lomatium, CommonLomatium utriculatum
Lomatium, ShinyLomatium lucidum
Loosestrfe, WhorledLysimachia quadrifolia
Loosestrife, FringedLysimachia ciliata
Loosestrife, Lance-leavedLysimachia lanceolata
Loosestrife, Narrow-leavedLysimachia quadriflora
Loosestrife, PurpleLythrum salicaria
Loosestrife, TuftedLysimachia thyrsiflora
Loosestrife, WingedLythrum alatum
Lotus, CoastLotus formosissimus
Lousewort, Bird's-BeakPedicularis ornithorhyncha
Lousewort, CapitatePedicularis capitata
Lousewort, CoiledPedicularis contorta
Lousewort, ElephantheadPedicularis groenlandica
Lousewort, LabradorPedicularis labradorica
Lousewort, SickletopPedicularis racemosa
Lousewort, SudeticPedicularis sudetica
Lousewort, ToweringPedicularis bracteosa
Lousewort, Whorled LeafPedicularis verticillata
Lousewort, WoollyPedicularis lanata
Lucky NutThevetia peruviana
Lungwort, TrumpetMertensia longiflora
LupineLupinus sp.
Lupine, ArizonaLupinus arizonicus
Lupine, ArroyoLupinus succulentus
Lupine, Big LeafLupinus polyphyllus
Lupine, Chamisso BushLupinus chamissonis
Lupine, Coulter'sLupinus sparsiflorus
Lupine, DesertLupinus shockleyi
Lupine, DoveLupinus bicolor
Lupine, DwarfLupinus lepidus
Lupine, Fragrant DuneLupinus chamissonis
Lupine, Hall's BushLupinus excubitus var. hallii
Lupine, MiniatureLupinus bicolor
Lupine, NootkaLupinus nootkatensis
Lupine, PacificLupinus lepidus
Lupine, ScarletLupinus concinnus
Lupine, SilkyLupinus sericeus
Lupine, Silver BushLupinus albifrons var. collinus
Lupine, Silver BushLupinus albifrons
Lupine, SilveryLupinus argenteus
Lupine, StingingLupinus hirsutissimus
Lupine, SubalpineLupinus arcticus ssp. subalpinus
Lupine, WildLupinus perennis
Lupine, Yellow BushLupinus arboreus
Madrone, PacificArbutus menziesii
Madrone, TexasArbutus xalapensis
Magnolia, BigleafMagnolia macrophylla
Mallow, Clustered PoppyCallirhoe triangulata
Mallow, GladeNapaea dioica
Mallow, HighMalva sylvestris
Mallow, VeniceHibiscus trionum
Mallow, WaxMalvaviscus arboreus var. drummondii
MamaneSophora chrysophylla
Manzanita, PointleafArctostaphylos pungens
Maple, BigleafAcer macrophyllum
Maple, RedAcer rubrum
Maple, StripedAcer pensylvanicum
Maple, SugarAcer saccharum
Maple, VineAcer circinatum
Mariposa Lily, OaklandCalochortus umbellatus
Mariposa Lily, SagebrushCalochortus macrocarpus
Mariposa Lily, Santa CatalinaCalochortus catalinae
Mariposa Lily, SplendidCalochortus splendens
Mariposa Lily, WhiteCalochortus eurycarpus
Mariposa Lily, WindingCalochortus flexuosus
Marram GrassAmmophila breviligulata
Marsh MarigoldCaltha palustris
Marsh Marigold, MountainCaltha leptosepala
Marsh VetchlingLathyrus palustris
May ApplePodophyllum peltatum
May Lily, PacificMaianthemum dilatatum
Mayflower, CanadaMaianthemum canadense
MazapanMalvaviscus penduliflorus
Meadow BeautyRhexia virginica
Meadow ParsnipThaspium trifoliatum
Meadow Parsnip, Hairy-jointedThaspium barbinode
Meadow Rue, EarlyThalictrum dioicum
Meadow Rue, Purple-StemmedThalictrum dasycarpum
Meadowfoam, Rose-VeinedLimnanthes douglasii ssp. rosea
MeadowsweetSpiraea alba
Meadowsweet, RoseSpiraea splendens
Menziesia, RustyMenziesia ferruginea
Mescal BeanSophora secundiflora
Mexican OliveCordia boissieri
Miami MistPhacelia purshii
Mickey Mouse BushOchna serrulata
Milk Vetch, Hairy ArcticAstragalus umbellatus
MilkmaidsCardamine californica
Milk-vetchAstragalus sp.
Milkvetch, BorregoAstragalus lentiginosus var. borreganus
Milkvetch, CanadianAstragalus canadensis
Milk-vetch, Layne'sAstragalus layneae
Milkvetch, OzarkAstragalus distortus var. distortus
Milkvetch, Small-floweredAstragalus nuttallianus
Milkvetch, TundraAstragalus umbellatus
Milkvetch, WoollyAstragalus mollissimus
Milkweed, ClaspingAsclepias amplexicaulis
Milkweed, CommonAsclepias syriaca
Milkweed, HairyFunastrum hirtellum
Milkweed, PokeAsclepias exalta
Milkweed, PrairieAsclepias sullivantii
Milkweed, RamblingFunastrum hirtellum
Milkweed, SandAsclepias amplexicaulis
Milkweed, Short GreenAsclepias viridiflora
Milkweed, SwampAsclepias incarnata
Milkweed, Tall GreenAsclepias hirtella
Milkweed, White-stemmedAsclepias albicans
Milkweed, WhorledAsclepias verticillata
Milkweed, WoolyAsclepias lanuginosa
Milkwort, FieldPolygala sanguinea
Milkwort, PurplePolygala polygama
Milkwort, WhitePolygala alba
Milkwort, WhorledPolygala verticillata
Milkwort, YellowPolygala rugelii
MiloThespesia populnea
Mint, Common MountainPycnanthemum virginianum
Mint, HorseMonarda punctata
Mint, WildMentha arvensis
Mistflower, BlueConoclinium coelestinum
Mistletoe, California MesquitePhoradendron californicum
MitrewortMitella diphylla
Mock Orange, WildPhiladelphus lewisii
MonkeyflowerMimulus ringens
Monkeyflower, BigelowMimulus bigelovii
Monkeyflower, CoastalMimulus dentatus
Monkeyflower, Death Valley RockMimulus rupicola
Monkeyflower, Kellogg'sMimulus kelloggii
Monkeyflower, PrimroseMimulus primuloides
Monkeyflower, PurpleMimulus lewisii
Monkeyflower, RoundleafMimulus glabratus
Monkeyflower, Seep SpringMimulus guttatus
Monkeyflower, StickyDiplacus aurantiacus ssp. aurantiacus
Monkeyflower, Tooth-leavedMimulus dentatus
Monkeyflower, Wide Throat YellowMimulus brevipes
Monkeyflower, Yellow CreepingMimulus primuloides
Monkshood, ColumbianAconitum columbianum
Monkshood, LarkspurleafAconitum delphiniifolium
Monkshood, NorthernAconitum noveboracense
MontbretiaCrocosmia x crocosmiiflora
Mormon TeaEphedra sp.
Morning GloryIpomoea sp.
Morning Glory, BeachCalystegia soldanella
Morning Glory, BeachIpomoea pes-caprae
Morning-glory, SerpentineCalystegia collina ssp. oxyphylla
Morning-glory, Southern Cal.Calystegia macrostegia
Mountain Ash, AmericanSorbus americana
Mountain Ash, EuropeanSorbus aucuparia
Mountain Ash, Greene'sSorbus scopulina
Mountain Ash, WesternSorbus sitchensis
Mountain Avens, Eight-petalDryas octopetala
Mountain Laurel, TexasSophora secundiflora
Mountainheath, PinkPhyllodoce empetriformis
Mouse Ears, PurpleMimulus douglasii
Mulberry, IndianMorinda citrifolia
Mule EarsWyethia angustifolia
Mule Ears, NorthernWyethia amplexicaulis
Mule-Ears, SunflowerWyethia helianthoides
Mullein, CommonVerbascum thapsus
Mullein, MothVerbascum blattaria
Mustard, BicolorNerisyrenia camporum
Mustard, BladderpodLesquerella gordonii
Mustard, FalseCamissonia californica
Mustard, Longbeak FiddleStreptanthella longirostris
Mustard, SaharaBrassica tournefortii
NannyberryViburnum lentago
Navarretia, SpinyNavarretia intertexta ssp. intertexta
Needlegrass, PurpleNassella pulchra
Nettle, HorseAgastache urticifolia
Nettle, WoodLaportea canadensis
New Jersey TeaCeanothus americanus
New Jersey Tea, InlandCeanothus herbaceus
Nightshade, PurpleSolanum xanti
NinebarkPhysocarpus opulifolius
Nolina, BigelowNolina bigelovii
Nolina, ParryNolina parryi
NoniMorinda citrifolia
Nut Rush, LowScleria verticillata
Oak, BlackQuercus velutina
Oak, BlueQuercus douglasii
Oak, BurQuercus macrocarpa
Oak, Engelmann'sQuercus engelmannii
Oak, LiveQuercus virginiana
Oak, PostQuercus stellata
Oak, RedQuercus rubra
Oakfern, PacificGymnocarpium disjunctum
Obedient PlantPhysostegia virginiana
OcotilloFouquieria splendens
Ohelo 'aiVaccinium reticulatum
Ohi'a LehuaMetrosideros polymorpha
Onion, CascadeAllium cratericola
Onion, CoastAllium dichlamydeum
Onion, DrummondAllium drummondii
Onion, FringedAllium fimbriatum
Onion, NoddingAllium cernuum
Onion, OlympicAllium crenulatum
Onion, Red-skinnedAllium haematochiton
OnyxflowerAchyronychia cooperi
Orchid, BambooArundina graminifolia
Orchid, Club-spurPlatanthera clavellata
Orchid, Cultivated HybridOrchidaceae sp.
Orchid, Dragon's MouthArethusa bulbosa
Orchid, Grass PinkCalopogon tuberosus var. tuberosus
Orchid, MothPhalaenopsis sp.
Orchid, Prairie White FringedPlatanthera leucophaea
Orchid, Ragged FringedPlatanthera lacera
Orchid, StreamEpipactis gigantea
Orchis, ShowyGalearis spectabilis
Oregon GrapeMahonia repens
Osage OrangeMaclura pomifera
Owl's Clover, Dense-floweredCastilleja densiflora
Owl's Clover, PurpleCastilleja exserta
Owl's Clover, YellowCastilleja campestris ssp. campestris
OxeyeHeliopsis helianthoides
Pagoda-plant, DownyBlephilia ciliata
Paintbrush, AlaskaCastilleja unalaschcensis
Paintbrush, Cusick'sCastilleja cusickii
Paintbrush, DesertCastilleja angustifolia
Paintbrush, ElegantCastilleja elegans
Paintbrush, FieldCastilleja arvensis
Paintbrush, IndianCastilleja affinis
Paintbrush, IndianCastilleja coccinea
Paintbrush, PinkCastilleja sessiliflora
Paintbrush, TexasCastilleja indivisa
Paintbrush, Vernal PoolCastilleja campestris ssp. campestris
Paintbrush, Wavy-leavedCastilleja applegatei
Paintbrush, WoollyCastilleja foliolosa
Paintbrush, WyomingCastilleja linariifolia
Paintedcup, DownyCastilleja sessiliflora
Painted-Cup, Downy YellowCastilleja sessiliflora
Palafox, TexasPalafoxia texana
PalefaceHibiscus denudatus
Palm, FanPritchardia sp.
Palmetto, SawSerenoa repens
Palo VerdeParkinsonia sp.
Paperflower, GreenstemPsilostrophe sparsiflora
Paperflower, White-stemmedPsilostrophe cooperi
Paperflower, WoollyPsilostrophe tagetina
Parasol WhitetopDoellingeria umbellata
Partridge PeaChamaecrista fasciculata var. fasciculata
PartridgeberryMitchella repens
Partridge-footLuetkea pectinata
Pasqueflower, EasternPulsatilla patens
Pasqueflower, WesternPulsatilla occidentalis
Pasqueflower, WhitePulsatilla occidentalis
PawpawAsimina triloba
Pea, AspenLathyrus laetivirens
Pea, BeachLathyrus japonicus
Pea, CreamLathyrus ochroleucus
Pea, PacificLathyrus vestitus
Pea, San DiegoLathyrus vestitus var. alefeldii
Pea, SierraLathyrus nevadensis
Pea, StiffLathyrus rigidus
Pea, VeinyLathyrus venosus
PearlflowerHeterocentron subtriplinervium
Pelotazo, SweetAbutilon incanum
Pennywort, VirginiaObolaria virginica
PenstemonPenstemon sp.
Penstemon, BushPenstemon fruticosus
Penstemon, Davidson'sPenstemon davidsonii
Penstemon, DesertPenstemon pseudospectabilis
Penstemon, Eaton'sPenstemon eatonii
Penstemon, FirecrackerPenstemon eatonii
Penstemon, HairyPenstemon hirsutus
Penstemon, LilacPenstemon gracilis
Penstemon, LittleflowerPenstemon procerus
Penstemon, MeadowPenstemon rydbergii
Penstemon, ParryPenstemon parryi
Penstemon, ScablandPenstemon deustus
Penstemon, ShrubbyPenstemon fruticosus
Penstemon, SlenderPenstemon gracilis
Penstemon, Taper-LeavedPenstemon attenuatus
Penstemon, Tolmie'sPenstemon procerus var. tolmiei
PepperbushCroton humilis
Peppertree, BrazilianSchinus terebinthifolius
Pepperweed, VirginiaLepidium virginicum
Periwinkle, CommonVinca minor
Phacelia, Caltha-leafedPhacelia calthifolia
Phacelia, CaterpillarPhacelia cicutaria var. hispida
Phacelia, CleftleafPhacelia crenulata
Phacelia, FernleafPhacelia bipinnatifida
Phacelia, ForestPhacelia bipinnatifida
Phacelia, Fremont'sPhacelia fremontii
Phacelia, FringedPhacelia fimbriata
Phacelia, HiddenflowerPhacelia cryptantha
Phacelia, Lace-LeafPhacelia distans
Phacelia, Parry'sPhacelia parryi
Phacelia, Pope'sPhacelia popei
Phacelia, PurplePhacelia bipinnatifida
Phacelia, SilkyPhacelia sericea
Phacelia, SkybluePhacelia coerulea
Phlox, BluePhlox divaricata
Phlox, Cleft SandPhlox bifida
Phlox, CreepingPhlox stolonifera
Phlox, FloweryPhlox multiflora
Phlox, GardenPhlox paniculata
Phlox, Long-leavedPhlox longifolia
Phlox, MarshPhlox glaberrima
Phlox, MountainPhlox austromontana
Phlox, NorthernPhlox adsurgens
Phlox, PrairiePhlox pilosa
Phlox, Rocky MountainPhlox multiflora
Phlox, SpreadingPhlox diffusa
Phlox, ZionPhlox jonesii
PickerelweedPontederia cordata
PickleweedBatis maritima
Pincushion, DesertChaenactis fremontii
Pincushion, WhiteChaenactis artemisiifolia
Pincushion, YellowChaenactis glabriuscula
Pine, BeachPinus contorta var. contorta
Pine, GrayPinus sabiniana
Pine, Great Basin BristleconePinus longaeva
Pine, JackPinus banksiana
Pine, LodgepolePinus contorta var. latifolia
Pine, LongleafPinus palustris
Pine, PonderosaPinus ponderosa
Pine, SlashPinus elliottii
Pine, Two-Needle PinyonPinus edulis
Pine, WhitePinus strobus
Pine, WhitebarkPinus albicaulis
PinesapMonotropa hypopithys
Pink PlumesPolygonum bistorta var. plumosum
PinkfairiesClarkia pulchella
PinkladyDissotis rotundifolia
Pinks, California IndianSilene californica
Pinks, FireSilene virginica
Pinks, Fringed IndianSilene laciniata
PipesEquisetum fluviatile
PipewortEriocaulon aquaticum
Pitcher PlantSarracenia purpurea
Pitcher Plant, CaliforniaDarlingtonia californica
Pitcher Plant, HoodedSarracenia minor
Pitcher Plant, ParrotSarracenia psittacina
Pixie-cup, Red-fruitedCladonia pleurota
Plantain, WoollyPlantago patagonica
Plum, AmericanPrunus americana
Plum, ChickasawPrunus angustifolia
PlumbagoPlumbago auriculata
PlumeriaPlumeria sp.
Poison IvyToxicodendron radicans ssp. radicans
Poison OakToxicodendron diversilobum
PokeweedPhytolacca americana
Polypody, RockPolypodium virginianum
Pond Lily, YellowNuphar lutea ssp. advena
Pondweed, CommonPotamogeton natans
Popcorn FlowerCryptantha sp.
Poplar, TulipLiriodendron tulipifera
Poppy, CaliforniaEschscholzia californica
Poppy, CelandineStylophorum diphyllum
Poppy, DesertEschscholzia parishii
Poppy, Desert GoldEschscholzia glyptosperma
Poppy, Lobb'sEschscholzia lobbii
Poppy, MatilijaRomneya coulteri
Poppy, Parish'sEschscholzia parishii
Poppy, PricklyArgemone munita
Poppy, Pygmy GoldenEschscholzia minutiflora
Poppy, TreeDendromecon rigida
Poppy, TuftedEschscholzia caespitosa
Portia TreeThespesia populnea
Prairie BellsFritillaria liliacea
Prairie Clover, PurpleDalea purpureum
Prairie Clover, WhiteDalea candida
Prairie DockSilphium terebinthinaceum
Prairie FlaxLinum lewisii
Prairie SmokeGeum triflorum
Pretty FaceTriteleia ixioides
Prickly PhloxLeptodactylon californicum
Prickly-Pear, BrittleOpuntia fragilis
Prickly-Pear, DesertOpuntia engelmannii
Prickly-Pear, EasternOpuntia humifusa
Prickly-Pear, Hair-spineOpuntia polyacantha
Prickly-Pear, PlainsOpuntia polyacantha
Prickly-Pear, Santa RitaOpuntia macrocentra var. macrocentra
Prickly-Pear, Twist-SpineOpuntia macrorhiza
Prickly-Pear, WesternOpuntia littoralis
Primrose, PaleCamissonia pallida
Primrose-willow, PeruvianLudwigia peruviana
Princess FlowerTibouchina urvilleana
Puccoon, FringedLithospermum incisum
Puccoon, HairyLithospermum caroliniense var.croceum
Puccoon, HoaryLithospermum canescens
PukiaweStyphelia tameiameiae
Purple MatNama demissum
Pussy EarsCalochortus tolmiei
Pussy ToesAntennaria plantaginifolia
Pussy Toes, FieldAntennaria neglecta
Pussytoes, RosyAntennaria rosea
Pyrola, One-floweredMoneses uniflora
Pyrola, PinkPyrola asarifolia
Queen-Anne's LaceDaucus carota
Queen-CupClintonia uniflora
Quinine, WildParthenium integrifolium
Rabbit BrushChrysothamnus sp.
Rabbitbrush, RubberEricameria nauseosa
Ragweed, CommonAmbrosia artemisiifolia
Ragweed, GiantAmbrosia trifida
Ragwort, BalsamPackera paupercula
Ragwort, GoldenPackera aurea
Ragwort, RoundleafPackera obovata
Ragwort, Small Black-tippedSenecio lugens
Ragwort, TansySenecio jacobaea
Ragwort, TexasSenecio ampullaceus
Rain-LilyCooperia pedunculata
Rasberry, StrawberryleafRubus pedatus
Raspberry, BlackRubus occidentalis
Raspberry, Purple FloweringRubus odoratus
Ratany, LittleleafKrameria erecta
Rattle Pod, SmoothCrotalaria pallida
Rattlebox, SmoothCrotalaria pallida
Rattlesnake MasterEryngium yuccifolium
Rattlesnake PlantainGoodyera pubescens
Rattlesnake Plantain, WesternGoodyera oblongifolia
Red MaidsCalandrinia ciliata
RedbudCercis canadensis
Redbud, WesternCercis orbiculata
Redcedar, EasternJuniperus virginiana var. virginiana
Redcedar, WesternThuja plicata
Redwood, CoastSequoia sempervirens
Rein Orchid, RoyalPiperia transversa
Rein-Orchid, Tall WhitePlatanthera dilatata
Rhododendron, PacificRhododendron macrophyllum
Rhododendron, WhiteRhododendron albiflorum
RhodoraRhododendron canadense
Robin's PlantainErigeron pulchellus
Rock HarlequinCorydalis sempervirens
Rock LettuceDudleya cymosa
Rock Pea, DesertLotus rigidus
Rockcress, MissouriArabis missouriensis
Rock-Daisy, Emory'sPerityle emoryi
Rocket, PurpleIodanthus pinnatifidus
Rockflower, RaggedCrossosoma bigelovii
Rocknettle, DesertEucnide urens
RockroseHelianthemum bicknellii
Rockrose, CommonHelianthemum canadense
Rose GentianSabatia angularis
Rose PogoniaPogonia ophioglossoides
Rose, Common WildRosa woodsii
Rose, DwarfRosa gymnocarpa
Rose, HawaiianOsteomeles anthyllidifolia
Rose, MultifloraRosa multiflora
Rose, PastureRosa carolina
Rose, PrairieRosa arkansana
Rose, PricklyRosa acicularis
Rose, SwampRosa palustris
Rose, WoodRosa gymnocarpa
Rose, Wood'sRosa woodsii
Rosebay, CaliforniaRhododendron macrophyllum
Rosemallow, HeartleafHibiscus martianus
RosinweedSilphium integrifolium
Rosy Twisted StalkStreptopus lanceolatus var. roseus
Rush, Dark GreenScirpus atrovirens
Rush, Iris-leavedJuncus xiphioides
Rush, TwigCladium mariscoides
Rush, Wicket SpikeEleocharis rostellata
Russian ThistleSalsola tragus
Sage, Azure BlueSalvia azurea
Sage, Death ValleySalvia funerea
Sage, DesertSalvia dorrii
Sage, KitchenSalvia officinalis
Sage, PitcherSalvia azurea
Sage, PurpleSalvia dorrii
Sage, PurpleSalvia dorrii ssp. mearnsii
Sage, ScarletSalvia coccinea
Sage, ThistleSalvia carduacea
Sage, Verde ValleySalvia dorrii ssp. mearnsii
Sage, WhiteSalvia apiana
SaguaroCarnegiea gigantea
SalalGaultheria shallon
SalmonberryRubus spectabilis
SaltcedarTamarix ramosissima
Sand Verbena, HairyAbronia villosa
Sand Verbena, SnowballAbronia fragrans
Sand Verbena, YellowAbronia latifolia
SandbellsNama hispidum
Sandmat, MexicanChamaesyce polycarpa
Sandwort, ArcticMinuartia macrocarpa
Sandwort, BrittleMinuartia nuttallii
Sandwort, MountainMinuartia groenlandica
Sandwort, Nuttall'sMinuartia nuttallii
Sandwort, Pitcher'sMinuartia patula
Sandwort, Slender MountainArenaria capillaris ssp. capillaris
Sandwort, StiffMinuartia dawsonensis
Sandwort, StiffMinuartia michauxii var. michauxii
Sandwort, WoodMoehringia lateriflora
Sanicle, PurpleSanicula bipinnatifida
Sanicle, Sharp-toothedSanicula arguta
Sarsaparilla, BristlyAralia hispida
Sarsaparilla, WildAralia nudicaulis
SaskatoonAmelanchier alnafolia
SassafrasSassafras albidum
Saw-wort, NarrowleafSaussurea angustifolia
Saxifrage, BrookSaxifraga odontoloma
Saxifrage, Palmer'sSaxifraga palmeri
Saxifrage, PeakSaxifraga nidifica var. nidifica
Saxifrage, Red-stemmedSaxifraga lyallii
Saxifrage, SwampSaxifraga pensylvanica
Saxifrage, Tolmie'sSaxifraga tolmiei
Saxifrage, Tufted AlpineSaxifraga caespitosa
Saxifrage, Yellow SpottedSaxifraga bronchialis
Saxifrage, YellowdotSaxifraga bronchialis
Saxifrage. EarlySaxifraga virginiensis
ScalebroomLepidospartum squamatum
Scarlet BeeblossomGaura coccinea
Scarlet BuglerPenstemon centranthifolius
Scarlet PimpernelAnagallis arvensis
Scouring RushEquisetum hyemale
Scouring-rush, DwarfEquisetum scirpoides
Scrambled EggsCorydalis aurea
ScrewpinePandanus tectorius
Sea DahliaCoreopsis maritima
Sea-rocket, AmericanCakile edentula
SedgeCarex sp.
Sedge, CapitateCarex cephalophora
Sedge, Common StiffCarex tetanica
Sedge, CrestedCarex cristatella
Sedge, Dark-scaledCarex buxbaumii
Sedge, Green YellowCarex viridula
Sedge, HopCarex lupulina
Sedge, Star FenCarex sterilis
Sedge, TussockCarex stricta
Sedge, Waterfall'sCarex latebracteata
Selenia, GoldenSelenia aurea
Senna, AmericanCassia hebecarpa
Senna, AmericanSenna hebecarpa
Senna, DurangoSenna durangensis
Sequoia, GiantSequoiadendron giganteum
Serviceberry, CommonAmelanchier arborea
Seven SistersCrinum americanum
Shadblow, LowAmelanchier humilis
Shadbush, Alder-leafAmelanchier alnafolia
ShinleafPyrola elliptica
Shinleaf, GreenPyrola chlorantha
ShootingstarDodecatheon meadia
Shootingstar, AlpineDodecatheon alpinum
Shootingstar, BonnevilleDodecatheon conjugens
Shootingstar, Dark ThroatedDodecatheon pulchellum
Shootingstar, DesertDodecatheon conjugens
Shootingstar, French'sDodecatheon frenchii
Shootingstar, Jeffrey'sDodecatheon jeffreyi
Shootingstar, JeweledDodecatheon amethystinum
Shootingstar, PadreDodecatheon clevelandii
Shootingstar, SierraDodecatheon jeffreyi
Shootingstar, WesternDodecatheon pulchellum
Sideoats GramaBouteloua curtipendula
Silverbell, MountainHalesia tetraptera
SilverleafLeucophyllum frutescens
Silverpuffs, GrasslandMicroseris heterocarpa
Silversword, Kaua'iWilkesia gymnoxiphium
SilverweedArgentina anserina
Single DelightsMoneses uniflora
Skullcap, Drummond'sScutellaria drummondii
Skullcap, Heart-leavedScutellaria ovata
Skullcap, Mad DogScutellaria lateriflora
Skullcap, MarshScutellaria galericulata
Skullcap, SmallScutellaria parvula
Skunk CabbageSymplocarpus foetidus
Smartweed, PennsylvaniaPolygonum pensylvanicum
Smartweed, WaterPolygonum amphibium
Smoke Tree, AmericanCotinus obovatus
SmoketreePsorothamnus spinosus
Snakeroot, SenecaPolygala senega
Snakeroot, WhiteAgeratina altissima var. altissima
Snake's HeadMalacothrix coulteri
Snapdragon, Coulter'sSairocarpus coulterianus
Snapdragon, TwiningNeogaerrhinum filipes
Snapdragon, TwiningNeogaerrhinum strictum
SneezeweedHelenium autumnale
Snow on the MountainEuphorbia marginata
Snowberry, WesternSymphoricarpos occidentalis
SoapwortSaponaria officinalis
Solomon's Seal, SmoothPolygonatum biflorum var. commutatum
Sorrel, Common WoodOxalis montana
Sorrel, RedwoodOxalis oregana
Sorrel, Violet WoodOxalis violacea
Sorrel, Yellow WoodOxalis stricta
SourgrassOxalis stricta
SourwoodOxydendrum arboreum
Spanish DaggerYucca treculeana
Spanish MossTillandsia usneoides
Spanish NeedlePalafoxia arida
Spanish ShawlDissotis rotundifolia
SpatterdockNuphar lutea ssp. variegatum
Spectacle-pod, CaliforniaDithyrea californica
Speedwell, American AlpineVeronica wormskjoldii
Speedwell, CommonVeronica officinalis
Speedwell, Cusick'sVeronica cusickii
Speedwell, EuropeanVeronica beccabunga
Sphagnum, LowSphagnum compactum
Spicebush, NorthernLindera benzoin
Spiderplant, YellowCleome lutea
SpiderwortTradescantia ohiensis
Spiderwort, Ernest'sTradescantia ernestiana
Spiderwort, Long-stemmedTradescantia longipes
Spiderwort, Ozark MountainTradescantia longipes
Spiderwort, VirginiaTradescantia virginiana
Spike-moss, RockSelaginella rupestris
Spikenard, AmericanAralia racemosa
Spleenwort, EbonyAsplenium platyneuron
Spotted LadysthumbPolygonum persicaria
Spotted, WintergreenChimaphila maculata
Spreading FleabaneErigeron divergens
Spring BeautyClaytonia virginica
Spring Beauty, AlaskaClaytonia sarmentosa
Spring Beauty, CarolinaClaytonia caroliniana
Spring Beauty, Heart-leavedClaytonia cordifolia
Spring Beauty, SiberianClaytonia sibirica
Spring Beauty, WesternClaytonia lanceolata
Spruce, EngelmannPicea engelmannii
Spruce, SitkaPicea sitchensis
Spruce, WhitePicea engelmannii
Spurge, FloweringEuphorbia corollata
Spurge, Red-glandChamaesyce melanadenia
Squill, SiberianScilla siberica
Squirrel-cornDicentra canadensis
St. Johnswort, CommonHypericum perforatum
St. Johnswort, DwarfHypericum mutilum
St. Johnswort, Four-petalHypericum tetrapetalum
St. Johnswort, GreatHypericum ascyron
St. Johnswort, Kalm'sHypericum kalmianum
St. Johnswort, MarshTriadenum virginicum
St. Johnswort, Orange GrassHypericum gentianoides
StarflowerTrientalis borealis
Starflower, ArcticTrientalis europea ssp. arctica
Starflower, BroadleafTrientalis borealis ssp. latifolia
Starflower, WesternTrientalis borealis ssp. latifolia
Stargrass, YellowHypoxis hirsuta
Star-tulip, TomieCalochortus tolmiei
Star-tulip, YellowCalochortus monophyllus
SteeplebushSpiraea tomentosa
Stingbush, DesertEucnide urens
Stitchwort, long-podMinuartia macrocarpa
Stock, GardenMatthiola incana
Stock, HoaryMatthiola incana
Stonecrop, BroadleafSedum spathulifolium
Stonecrop, DitchPenthorum sedoides
Stonecrop, GoldmossSedum acre
Stonecrop, LedgeRhodiola integrifolia ssp. integrifolia
Stonecrop, PacificSedum divergens
Stonecrop, SierraSedella pumilum
Stonecrop, SpearleafSedum lanceolatum
Stonecrop, WildSedum ternatum
Stoneseed, AmericanLithospermum latifolium
Stoneseed, ShowyLithospermum incisum
Stork's BillErodium cicutarium
Storksbill, TexasErodium texanum
Strawberry PearHylocereus undatus
Strawberry, BarrenWaldsteinia fragarioides
Strawberry, BeachFragaria chiloensis
Strawberry, WildFragaria virginiana
SugarbowlsClematis hirsutissima
SugarbushRhus ovata
Sumac, AromaticRhus aromatica
Sumac, PoisonToxicodendron vernix
Sumac, ShiningRhus copallinum
Sumac, SmoothRhus glabra
Sumac, StaghornRhus typhina
Sunbonnet, LilacLangloisia setosissima
Suncups, CaliforniaCamissonia californica
Suncups, HairyCamissonia hirtella
Suncups, SouthernCamissonia bistorta
Sundew, Round-leavedDrosera rotundifolia
Sundew, Spatulate-leavedDrosera intermedia
Sunflower, DownyHelianthus mollis
Sunflower, DuneHelianthus niveus ssp. canescens
Sunflower, falseHeliopsis helianthoides
Sunflower, LittleHelianthella uniflora
Sunflower, OneflowerHelianthella uniflora
Sunflower, PlainsHelianthus petiolaris
Sunflower, PrairieHelianthus pauciflorus ssp. pauciflorus
Sunflower, SawtoothHelianthus grosseserratus
Sunflower, WesternHelianthus occidentalis
Sunflower, WoodlandHelianthus divaricatus
Swamp CandlesLysimachia terrestris
Sweet Cicely, AmericanOsmorhiza longistylis
Sweet FlagAcorus americanus
SweetshrubCalycanthus floridus
Sweetvetch, AlpineHedysarum alpinum
Sweetvetch, NorthernHedysarum boreale ssp. mackenziei
Sweetvetch, WesternHedysarum occidentale
Swordfern, HawaiianNephrolepis exaltata ssp. Hawaiiensis
Swordfern, WesternPolystichum munitum
Sycamore, AmericanPlatanus occidentalis
Sycamore, CaliforniaPlatanus racemosa
SyringaPhiladelphus lewisii
TamarackLarix laricina
Tansy, CommonTanacetum vulgare
TansyasterMachaeranthera asteroides
Tansyaster, TanseyleafMachaeranthera tanacetifolia
Thimbelweed, YellowAnemone richardsonii
ThimbleberryRubus parviflorus
ThimbleweedAnemone cylindrica
Thimbleweed, Edwards PlateauAnemone edwardsiana var. petraea
Thimbleweed, TenpetalAnemone berlandieri
Thistle, CanadaCirsium arvense
Thistle, EdibleCirsium edule
Thistle, ElkCirsium scariosum
Thistle, IndianCirsium edule
Thistle, MeadowCirsium scariosum
Thistle, NoddingCarduus nutans
Thistle, PastureCirsium discolor
Thistle, PrairieCirsium hillii
Thistle, Sand DuneCirsium pitcheri
Thistle, SwampCirsium muticum
Thistle, Wavy LeafedCirsium undulatum
Threeleaf GoldthreadCoptis trifolia
Thrift SeapinkArmeria maritima
TiCordyline fruticosa
Tick Trefoil, Hairy BractedDesmodium cuspidatum var. longifolium
Tick Trefoil, HoaryDesmodium canescens
Tick Trefoil, IllinoisDesmodium illinoense
Tick Trefoil, PointedDesmodium glutinosum
Tick Trefoil, Sessile-LeavedDesmodium sessilifolium
Tick Trefoil, ShowyDesmodium canadense
Tickseed, Purple-stemmedBidens connata
Toadflax, BlueNuttallanthus canadensis
Toadflax, CanadaNuttallanthus canadensis
Toadflax, FalseComandra umbellata spp. umbellata
Toadflax, Pale FalseComandra umbellata spp. pallida
Toadflax, TexasNuttallanthus texanus
ToadshadeTrillium sessile
Toadshade, YellowTrillium luteum
Tobacco, DesertNicotiana obtusifolia
Tonella, Many-floweredTonella floribunda
Toothed Polypore, VioletTrichaptum biforme
Toothleaf, AnnualStillingia spinulosa
Toothwort, Broad-leavedCardamine diphylla
Toothwort, Cut-leavedCardamine concatenata
Toothwort, LargeCardamine maxima
Toothwort, SlenderCardamine angustata
ToyonHeteromeles arbutifolia
Tree FernCibotium sp.
Treecotton, HawaiiKokia drynarioides
Trefoil, Seaside Bird's FootLotus formosissimus
Trillium, Catesby'sTrillium catesbaei
Trillium, DeclinedTrillium flexipes
Trillium, Large-FloweredTrillium grandiflorum
Trillium, NoddingTrillium cernuum
Trillium, OzarkTrillium pusillum var. ozarkanum
Trillium, PaintedTrillium undulatum
Trillium, PrairieTrillium recurvatum
Trillium, RedTrillium erectum
Trillium, Southern RedTrillium sulcatum
Trillium, Sweet WhiteTrillium simile
Trillium, Vasey'sTrillium vaseyi
Trillium, WesternTrillium ovatum
Trillium, YellowTrillium luteum
Triteleia, Large-floweredTriteleia grandiflora
Trout Lily, WhiteErythronium albidum
Trout Lily, YellowErythronium americanum
Troutlily, YellowErythronium rostratum
TubetongueJusticia pilosella
TuliptreeLiriodendron tulipifera
TupeloNyssa aquatica
Turks CapMalvaviscus arboreus var. drummondii
Turpentine BroomThamnosma montana
TurtleheadChelone glabra
TurtleweedBatis maritima
Twayblade, GreenLiparis loeselii
Twinberry, CoastLonicera involucrata var. ledebourii
TwinflowerLinnaea borealis
Twistedstalk, ClaspleafStreptopus amplexifolius var. amplexifolius
UleiOsteomeles anthyllidifolia
UluheDicranopteris linearis
Umbrellaleaf, AmericanDiphylleia cymosa
Utah PenstemonPenstemon utahensis
Valerian, CaptiateValeriana captitata
Valerian, CommonValeriana edulis var. ciliata
Valerian, MarshValeriana uliginosa
Valerian, SitkaValeriana sitchensis
Valley TasselsCastilleja attenuata
Velvet LeafAllowissadula holosericea
Velvet TurtlebackPsathyrotes ramosissima
Venus' Looking-glass, ClaspingTriodanis perfoliata
Vervain, BlueVerbena hastata
Vervain, Dakota MockGlandularia bipinnatifida
Vervain, Hairy WhiteVerbena urticifolia
Vervain, HoaryVerbena stricta
Vervain, Rose MockGlandularia canadensis
Vervain, Southwestern MockGlandularia gooddingii
Vetchling, PaleLathyrus ochroleucus
Viburnum, Maple-leavedViburnum acerifolium
Violet, AlaskaViola langsdorffii
Violet, AleutianViola langsdorffii
Violet, Arrow-leavedViola sagittata
Violet, BirdfootViola pedata
Violet, CanadaViola canadensis
Violet, Common BlueViola sororia
Violet, DogViola labradorica
Violet, EvergreenViola sempervirens
Violet, Halberd-leavedViola hastata
Violet, HookedspurViola adunca
Violet, Long-spurredViola rostrata
Violet, Marsh BlueViola cucullata
Violet, Northern WhiteViola macloskeyi ssp. pallens
Violet, Nuttall'sViola pubescens
Violet, PioneerViola glabella
Violet, PrairieViola pedatifida
Violet, RedwoodViola sempervirens
Violet, SandViola sagittata
Violet, Smooth YellowViola glabella
Violet, Sweet WhiteViola blanda
Violet, Three-lobedViola triloba
Violet, Western DogViola adunca
Violet, YellowViola pubescens
Viper's BuglossEchium vulgare
Virgin's BowerClematis virginiana
WahooEuonymus atropurpureus
Wakerobin, BashfulTrillium catesbaei
Wakerobin, FurrowedTrillium sulcatum
Wakerobin, JeweledTrillium simile
Wakerobin, OzarkTrillium pusillum var. ozarkanum
Wakerobin, SweetTrillium vaseyi
Wallflower, CascadeErysimum arenicola
Wallflower, WesternErysimum capitatum
Wally BasketTriteleia laxa
Walnut, IndianAleurites moluccana
Water Crowfoot, WhiteRanunculus aquatilis
Water Crowfoot, WhiteRanunculus longirostris
Water HemlockCicuta bulbifera
Water Hemlock, Bulblet BearingCicuta bulbifera
Water Hemlock, SpottedCicuta maculata
Water Hemlock, WesternCicuta douglasii
Water Horehound, CommonLycopus americanus
Water Horehound, VirginiaLycopus virginicus
Water Lily, WhiteNymphaea odorata
Water PepperPolygonum hydropiper
Water Pepper, MildPolygonum hydropiperoides
Water Plantain, CommonAlisma subcordatum
Water Plantain, NorthernAlisma triviale
Water ShieldBrasenia schreberi
WatercressNasturtium officinale
Waterleaf, AppendagedHydrophyllum appendiculatum
Waterleaf, GreatHydrophyllum appendiculatum
Waterleaf, PacificHydrophyllum tenuipes
Waterleaf, VirginiaHydrophyllum virginianum var. virginianum
Waterleaf, WesternHydrophyllum appendiculatum
Wavy CloakfernAstrolepis sinuata ssp. sinuata
Wawae'ioleLycopodiella cernua
Wax PlantEuphorbia antisyphilitica
WedeliaSphagneticola trilobata
Western LarkspurDelphinium hesperium
WhiskerbrushLeptosiphon ciliatus ssp. ciliatus
Whispering BellsEmmenanthe penduliflora
White Cedar, EasternThuja occidentalis
White LettucePrenanthes alba
White Lettuce, GlaucousPrenanthes racemosa
White Lettuce, RoughPrenanthes aspera
Wild CallaCalla palustris
Wild CarrotDaucus carota
Wild CrocusTradescantia longipes
Wild Hollyhock, StreambankIliamna rivularis
Wild Indigo, CreamBaptisia bracteata var. leucophaea
Wild Indigo, WhiteBaptisia alba var. macrophylla
Wild LettuceLactuca canadensis
Wild OatsUvularia sessilifolia
Wild PansyViola bicolor
Wild PetuniaRuellia humilis
Wild Petunia, Parry'sRuellia parryi
Wild RaisinViburnum nudum var. cassinoides
Wild Rhubarb, AlaskaPolygonum alaskanum
Wild Rye, CanadaElymus canadensis
Willow Herb, CinnamonEpilobium coloratum
Willow Herb, FenEpilobium leptophyllum
Willow, NetleafSalix reticulata
Willow, NettedSalix reticulata
Willow, PussySalix discolor
Willow-herb, HairyEpilobium hirsutum
WindflowerAnemone parviflora
Wind-flowerAnemone berlandieri
Windflower, ColumbianAnemone deltoidea
WindmillsAllionia incarnata
WingstemVerbesina alternifolia
Winterberry, CommonIlex verticillata
WintercreeperEuonymus fortunei
WintergreenGaultheria procumbens
Wintergreen, SidebellsOrthilia secunda
Wishbone-bushMirabilis laevis var. villosa
Witch HazelHamamelis virginiana
Wolfberry, Anderson'sLycium andersonii
Wolfberry, TorreyLycium torreyi
Wood VetchVicia caroliniana
Woodfern, MarginalDryopteris marginalis
Woollystar, DesertEriastrum eremicum
Wormwood, AbsintheArtemisia absinthium
WoundwortStachys pilosa
Yam, WildDioscorea villosa
YarrowAchillea millefolium
Yarrow, GoldenEriophyllum confertiflorum
Yellow CarpetBlennosperma nanum
Yellow CupsCamissonia brevipes
Yellow PimpernelTaenidia integerrima
YellowbellsFritillaria pudica
Yellow-eyed GrassXyris montana
Yerba SantaEriodictyon californicum
Yucca, ChaparralHesperoyucca whipplei
Yucca, MohaveYucca schidigera
Zion MilkvetchAstragalus zionis