Property:Common name

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Abelmoschus esculentus +Okra  +, gumbo  +, lady’s finger  +
Abies +Fir  +
Abies amabilis +Pacific silver fir  +, silver fir  +, sapin gracieux  +
Abies balsamea +Balsam fir  +, sapin baumler  +
Abies bifolia +Rocky Mountain alpine fir  +, Rocky Mountain subalpine fir  +, corkbark fir  +
Abies concolor +White fir  +, Rocky Mountain white fir  +, pino real blanco  +
Abies fraseri +Fraser fir  +, southern balsam fir  +
Abies grandis +Grand fir  +, lowland white fir  +, sapin grandissime  +
Abies lasiocarpa +Subalpine fir  +, alpine fir  +, sapin concolore  +
Abies lowiana +Sierra white fir  +, California white fir  +
Abies magnifica +California red fir  +, Shasta red fir  +
Abies procera +Noble fir  +
Abronia +Sand-verbena  +
Abronia ameliae +Heart’s delight  +
Abronia argillosa +Clay sand-verbena  +
Abronia fragrans +Fragrant white sand-verbena  +
Abronia latifolia +Yellow sand-verbena  +
Abronia macrocarpa +Large-fruited sand-verb ena  +
Abronia maritima +Red sand-verbena  +
Abronia villosa +Desert sand-verbena  +
Abutilon +Indian-mallow  +
Abutilon fruticosum +Pelotazo  +
Abutilon incanum +Pelotazo chico  +
Abutilon mollicomum +Pintapán cimarrón  +
Abutilon permolle +Velvety abutilon  +
Abutilon theophrasti +Butterprint  +, China jute  +, chingma  +,
Acaena novae-zelandiae +Biddy biddy  +
Acalypha +Threeseeded mercury  +, copperleaf  +
Acalypha alopecuroidea +Foxtail copperleaf  +
Acalypha arvensis +Field copperleaf  +
Acalypha australis +Asian copperleaf  +
Acalypha californica +California copperleaf  +
Acalypha chamaedrifolia +Everglades or bastard copperleaf  +
Acalypha deamii +Largeseeded mercury  +, Deam’s threeseeded mercury  +
Acalypha gracilens +Slender threeseeded mercury  +
Acalypha monococca +Oneseeded mercury  +
Acalypha monostachya +Round copperleaf  +
Acalypha neomexicana +New Mexico copperleaf  +
Acalypha ostryifolia +Hophornbeam copperleaf  +, pineland threeseeded mercury  +
Acalypha phleoides +Shrubby copperleaf  +
Acalypha poiretii +Poiret’s copperleaf  +
Acalypha radians +Cardinal feather  +, palmate copperleaf  +
Acalypha rhomboidea +Rhombic or common threeseeded mercury  +, ricinelle rhomboïde  +
Acalypha setosa +Cuban copperleaf  +
Acalypha virginica +Virginia threeseeded mercury  +
Acalypha wilkesiana +Painted copperleaf  +, beefsteak plant  +, match-me-if-you-can  +
Acamptopappus +Goldenhead  +
Acamptopappus shockleyi +Shockley’s goldenhead  +
Acamptopappus sphaerocephalus +Rayless goldenhead  +
Acanthocereus tetragonus +Barbed-wire cactus  +, triangle cactus  +, chaco  +
Acanthoscyphus +Flowery puncturebract  +
Acanthoscyphus parishii var. abramsii +Abrams’s flowery puncturebract  +
Acanthoscyphus parishii var. cienegensis +Cienega Seca flowery puncturebract  +
Acanthoscyphus parishii var. goodmaniana +Cushenbury flowery puncturebract  +
Acanthoscyphus parishii var. parishii +Parish’s flowery puncturebract  +
Achatocarpaceae +Achatocarpus Family  +
Achillea +Milfoil  +, achillée  +
Achillea alpina +Siberian yarrow  +, achillée de Sibérie  +
Achillea millefolium +Common yarrow  +, achillée millefeuille  +, herbe-à-dinde  +
Achillea nobilis +Noble yarrow  +
Achillea ptarmica +Sneezeweed  +, sneezewort  +, achillée ptarmique  +,
Achlys triphylla +Deer-foot  +, vanilla-leaf  +
Achnatherum aridum +Mormon needlegrass  +
Achnatherum arnowiae +Arnow's ricegrass  +
Achnatherum contractum +Contracted ricegrass  +
Achnatherum coronatum +Crested needlegrass  +
Achnatherum curvifolium +Curlyleaf needlegrass  +
Achnatherum diegoense +San diego needlegrass  +
Achnatherum eminens +Southwestern needlegrass  +
Achnatherum hendersonii +Henderson's needlegrass  +
Achnatherum hymenoides +Indian ricegrass  +
Achnatherum latiglume +Wide-glumed needlegrass  +
Achnatherum lemmonii +Lemmon's needlegrass  +
Achnatherum lettermanii +Letterman’s needlegrass  +
Achnatherum lobatum +Lobed needlegrass  +
Achnatherum nelsonii subsp. dorei +Dore's needlegrass  +
Achnatherum nelsonii subsp. nelsonii +Nelson's needlegrass  +
Achnatherum nevadense +Nevada needlegrass  +
Achnatherum occidentale subsp. californicum +California needlegrass  +
Achnatherum occidentale subsp. occidentale +Western needlegrass  +
Achnatherum occidentale subsp. pubescens +Common western needlegrass  +
Achnatherum parishii subsp. depauperatum +Low needlegrass  +
Achnatherum parishii subsp. parishii +Parish's needlegrass  +
Achnatherum perplexum +Perplexing needlegrass  +
Achnatherum pinetorum +Pinewoods needlegrass  +
Achnatherum richardsonii +Richardson's needlegrass  +
Achnatherum robustum +Sleepygrass  +
Achnatherum scribneri +Scribner's needlegrass  +
Achnatherum splendens +Jiji grass  +
Achnatherum stillmanii +Stuxman's needlegrass  +
Achnatherum swallenii +Swallen's needlegrass  +
Achnatherum thurberianum +Thurber's needlegrass  +
Achnatherum wallowaense +Wallowa needlegrass  +
Achnatherum webberi +Webber's needlegrass  +
Achyrachaena mollis +Blow-wives  +
Achyranthes +Chaff-flower  +
Achyranthes japonica +Japanese chaff-flower  +
Achyronychia +Onyx flower  +, frost-mat  +
Acleisanthes +Trumpets  +
Acleisanthes acutifolia +Havard’s trumpets  +
Acleisanthes anisophylla +Oblique-leaf trumpets  +
Acleisanthes crassifolia +Texas trumpets  +
Acleisanthes diffusa +Spreading moonpod  +
Acleisanthes lanceolata +Gyp moonpod  +
Acleisanthes longiflora +Angel trumpets  +, yerba de la rabia  +
Acleisanthes obtusa +Berlandier’s trumpets  +
Acleisanthes wrightii +Wright’s trumpets  +
Acoelorraphe +Paurotis palm  +, palmier des Everglades  +
Acoelorraphe wrightii +Paurotis palm  +, palmier des Everglades  +
Aconitum +Monkshood  +, aconite  +, wolfsbane  +,
Aconitum reclinatum +Trailing wolfsbane  +
Aconitum uncinatum +Wild monkshood  +
Aconogonon alaskanum +Alaska wild-rhubarb  +
Aconogonon davisiae +Davis’s knotweed  +
Aconogonon phytolaccifolium +Poke knotweed  +
Acoraceae +Sweet-Flag Family  +
Acorus +Sweet-flag  +
Acorus americanus +Sweet-flag  +, belle-angélique  +
Acorus calamus +Sweet-flag  +, calamus  +
Acourtia +Desertpeony  +
Acourtia nana +Desert holly  +, dwarf desertpeony  +
Acourtia runcinata +Featherleaf desertpeony  +, desert paeonia  +
Acourtia thurberi +Thurber’s desertpeony  +
Acourtia wrightii +Brownfoot  +
Acrocomia +Coyol  +, gru-gru  +
Acroptilon +Russian knapweed  +, creeping knapweed  +, Russian centaurea  +,
Acrostichum +Leather fern  +
Actaea +Baneberry  +, necklaceweed  +, cohosh  +,
Actaea pachypoda +Doll's-eyes  +, actée &agrave  +, gros pédicelles  +
Actaea rubra +Actée rouge  +
Actinostachys +Ray spiked fern  +
Actinostachys pennula +Ray spiked fern  +
Adelia +Wild lime  +
Adelia vaseyi +Vasey’s wild lime  +
Adenocaulon bicolor +Trail plant  +
Adenostoma +Chamise  +
Adenostoma fasciculatum +Greasewood  +
Adenostoma sparsifolium +Red shank  +, ribbon bush  +
Adiantum +Maidenhair fern  +
Adiantum aleuticum +Western maidenhair  +, Aleutian maidenhair  +, adiante des aléoutiennes  +
Adiantum capillus-veneris +Venus's-hair fern  +, southern maidenhair  +
Adiantum hispidulum +Rosy maidenhair  +
Adiantum jordanii +California maidenhair  +
Adiantum melanoleucum +Fragrant maidenhair  +
Adiantum pedatum +Northern maidenhair  +, adiante du Canada  +
Adiantum tenerum +Brittle maidenhair  +
Adiantum tricholepis +Hairy maidenhair  +
Adiantum viridimontanum +Green Mountain maidenhair  +
Adlumia fungosa +Climbing fumitory  +, Allegheny-vine  +, mountain-fringe  +
Adolphia +Prickbush  +, spinebrush  +
Adolphia californica +California prickbush or adolphia  +, spineshrub  +
Adolphia infesta +Junco  +, Texas adolphia  +
Adonis +Pheasant's-eye  +, adonis  +
Adonis aestivalis +Summer adonis  +
Adonis annua +Autumn adonis  +, bird's-eye  +
Adonis vernalis +Spring adonis  +, ox-eye  +
Aegilops crassa +Persian goatgrass  +
Aegilops cylindrica +Jointed goatgrass  +
Aegilops geniculata +Ovate goatgrass  +
Aegilops neglecta +Three-awned goatgrass  +
Aegilops tauschii +Tausch's goatgrass  +, Rough-spiked hardgrass  +
Aegilops triuncialis +Barbed goatgrass  +
Aegilops ventricosa +Swollen goatgrass  +, Belly-shaped hardgrass  +
Aegopogon tenellus +Fragile grass  +
Agalinis +False foxglove  +
Agalinis aphylla +Scaleleaf false foxglove  +
Agalinis aspera +Rough false foxglove  +
Agalinis auriculata +Earleaf false foxglove  +
Agalinis caddoensis +Caddo false foxglove  +
Agalinis calycina +Leoncita false foxglove  +
Agalinis decemloba +Ten-lobed false foxglove  +
Agalinis densiflora +Osage false foxglove  +
Agalinis divaricata +Pineland false foxglove  +
Agalinis edwardsiana +Plateau false foxglove  +
Agalinis fasciculata +Fascicled false foxglove  +
Agalinis filicaulis +Wire-stemmed false foxglove  +
Agalinis filifolia +Florida false foxglove  +
Agalinis flexicaulis +Hampton false foxglove  +
Agalinis gattingeri +Midwest false foxglove  +
Agalinis georgiana +Boynton’s false foxglove  +
Agalinis harperi +Harper’s false foxglove  +
Agalinis heterophylla +Prairie false foxglove  +
Agalinis homalantha +San Antonio false foxglove  +
Agalinis laxa +Long-pedicelled false foxglove  +
Agalinis linifolia +Coastal false foxglove  +
Agalinis maritima +Saltmarsh false foxglove  +
Agalinis navasotensis +Navasota false foxglove  +
Agalinis neoscotica +Nova Scotia false foxglove  +
Agalinis obtusifolia +Savanna false foxglove  +
Agalinis oligophylla +Ridgestem false foxglove  +
Agalinis plukenetii +Plukenet’s false foxglove  +
Agalinis pulchella +Beautiful false foxglove  +
Agalinis purpurea +Purple false foxglove  +, gérardie pourpre  +
Agalinis setacea +Threadleaf false foxglove  +
Agalinis skinneriana +Skinner’s false foxglove  +
Agalinis strictifolia +Stiffleaf false foxglove  +
Agalinis tenella +Delicate false foxglove  +
Agalinis tenuifolia +Slenderleaf false foxglove  +, gérardie à feuilles ténues  +
Agalinis viridis +Green false foxglove  +
Agarista populifolia +Pipe-plant  +, pipe-stem wood  +
Agavaceae +Agave or Century Plant Family  +
Agave +Century plant  +
Agave americana subsp. protamericana +Wild century plant  +
Agave americana var. americana +Century plant  +, maguey  +
Agave americana var. expansa +Spreading century plant  +
Agave asperrima var. asperrima +Rough agave  +, maguey cenizo  +
Agave chrysantha +Golden-flowered agave  +
Agave decipiens +Florida agave  +
Agave delamateri +Tonto Basin agave  +
Agave deserti var. deserti +Desert agave  +
Agave deserti var. simplex +Simple desert agave  +
Agave desmettiana +Regel agave  +
Agave gracilipes +Slim-footed agave  +
Agave havardiana +Havard agave  +
Agave lechuguilla +Lechuguilla  +
Agave mckelveyana +McKelvey agave  +
Agave murpheyi +Murphey agave  +, Hohokam agave  +
Agave neglecta +Small agave  +
Agave palmeri +Palmer agave  +
Agave parryi subsp. neomexicana +New Mexico agave  +
Agave parryi var. couesii +Coues agave  +
Agave parryi var. huachucensis +Huachuca agave  +
Agave parryi var. parryi +Parry agave  +, mescal  +
Agave parviflora subsp. parviflora +Small-flowered agave  +
Agave phillipsiana +Phillips agave  +
Agave schottii var. schottii +Schott agave  +
Agave schottii var. treleasei +Trelease agave  +
Agave shawii var. shawii +Shaw agave  +
Agave sisalana +Sisal  +
Agave toumeyana var. bella +Fairy-ring agave  +
Agave univittata +Thorn-crested agave  +
Agave utahensis +Clark Mountain agave  +
Agave utahensis subsp. kaibabensis +Kaibab agave  +
Agave utahensis var. eborispina +Ivory-spined agave  +
Agave utahensis var. utahensis +Utah agave  +
Agave weberi +Weber agave  +, maguey liso  +
Agave ×ajoensis +Ajo agave  +
Agave ×arizonica +Arizona agave  +
Agave ×glomeruliflora +Chisos agave  +
Agdestis clematidea +Rockroot  +
Ageratina +Snakeroot  +
Ageratina adenophora +Crofton weed  +, sticky snakeroot  +
Ageratina altissima +White snakeroot  +
Ageratina altissima var. altissima +Common white snakeroot  +, eupatoire rugueuse  +
Ageratina altissima var. roanensis +Appalachian white snakeroot  +
Ageratina aromatica +Small-leaved white snakeroot  +
Ageratina havanensis +Havana snakeroot  +
Ageratina herbacea +Fragrant snakeroot  +
Ageratina jucunda +Hammock snakeroot  +
Ageratina lemmonii +Lemmon’s snakeroot  +
Ageratina luciae-brauniae +Rockhouse white snakeroot  +
Ageratina occidentalis +Western snakeroot  +
Ageratina paupercula +Santa Rita snakeroot  +
Ageratina rothrockii +Rothrock’s snakeroot  +
Ageratina shastensis +Mt. Shasta snakeroot  +
Ageratina thyrsiflora +Congested snakeroot  +
Ageratina wrightii +Wright’s snakeroot  +
Ageratum conyzoides +Tropical whiteweed  +
Ageratum corymbosum +Flat-top whiteweed  +
Ageratum houstonianum +Bluemink  +
Ageratum maritimum +Cape Sable whiteweed  +
Agoseris +Mountain- or false dandelion  +
Agoseris apargioides +Seaside agoseris  +
Agoseris apargioides var. eastwoodiae +Point Reyes agoseris  +
Agoseris apargioides var. maritima +Oregon agoseris  +
Agoseris aurantiaca +Orange or mountain agoseris  +
Agoseris aurantiaca var. purpurea +Colorado Plateau agoseris  +
Agoseris glauca +Prairie agoseris  +
Agoseris glauca var. dasycephala +Arctic agoseris  +
Agoseris grandiflora +Grassland agoseris  +
Agoseris grandiflora var. leptophylla +Puget Sound agoseris  +
Agoseris heterophylla +Annual agoseris  +
Agoseris heterophylla var. cryptopleura +California agoseris  +
Agoseris heterophylla var. quentinii +Arizona agoseris  +
Agoseris hirsuta +Coast Range agoseris  +
Agoseris monticola +Sierra Nevada agoseris  +
Agoseris parviflora +Steppe agoseris  +
Agoseris retrorsa +Spearleaf agoseris  +
Agoseris ×elata +Willamette agoseris  +
Agrimonia +Agrimony  +, aigremoine  +
Agrimonia gryposepala +Common agrimony  +, aigremoine à sépales crochus  +
Agrimonia pubescens +Soft agrimony  +, aigremoine pubescente  +
Agrimonia striata +Roadside agrimony  +, aigremoine striée  +
Agropyron cristatum +Crested wheatgrass  +, Agropyron accrêté  +, Agropyron à crête  +
Agropyron fragile +Siberian wheatgrass  +
Agrostemma githago +Common corncockle  +, nielle  +
Agrostis anadyrensis +Anadyr bent  +
Agrostis blasdalei +Blasdale's bent  +
Agrostis canina +Velvet bent  +, Agrostide des chiens  +
Agrostis capillaris +Browntop  +, Rhode island bent  +, Colonial bent  +,
Agrostis castellana +Highland bent  +, Dryland browntop  +
Agrostis clavata +Clavate bent  +
Agrostis densiflora +California bent  +
Agrostis elliottiana +Elliott's bent  +
Agrostis exarata +Spike bent  +
Agrostis gigantea +Redtop  +, Agrostide blanche  +
Agrostis hallii +Hall's bent  +
Agrostis hendersonii +Henderson's bent  +
Agrostis hooveri +Hoover's bent  +
Agrostis howellii +Howell's bent  +
Agrostis hyemalis +Winter bent  +, Agrostide d'hiver  +
Agrostis idahoensis +Idaho redtop  +
Agrostis mertensii +Northern bent  +, Agrostide de mertens  +
Agrostis microphylla +Small-leaf bent  +
Agrostis nebulosa +Cloud grass  +
Agrostis oregonensis +Oregon redtop  +
Agrostis pallens +Dune bent  +
Agrostis perennans +Autumn bent  +, Upland bent  +, Agrostide perennant  +
Agrostis rossiae +Ross' bent  +
Agrostis scabra +Rough bent  +, Foin fou  +, Agrostide scabre  +
Agrostis stolonifera +Creeping bent  +, Agrostide stolonifere  +
Agrostis variabilis +Mountain bent  +
Agrostis vinealis +Brown bent  +
Aira caryophyllea var. capillaris +Delicate hairgrass  +
Aira caryophyllea var. caryophyllea +Silver hairgrass  +
Aira caryophyllea var. cupaniana +Silvery hairgrass  +
Aira praecox +Spike hairgrass  +
Aizoaceae +Fig-marigold Family  +
Akebia quinata +Chocolate-vine  +, five-leaf  +
Alcea +Hollyhock  +
Alcea rosea +Common hollyhock  +, rose trémière  +
Alcea rugosa +Russian hollyhock  +
Alchemilla +Lady’s mantle  +, alchémille  +
Alchemilla alpina +Alpine lady’s mantle  +
Alchemilla filicaulis subsp. vestita +Alchémille vêtue  +
Alchemilla glabra +Smooth lady's mantle  +, alchémille glabre  +
Alchemilla glomerulans +Clustered lady's mantle  +, alchémille à glomérules  +
Alchemilla micans +Gleaming lady’s mantle  +
Alchemilla mollis +Garden lady’s mantle  +
Alchemilla monticola +Mountain alchemilla  +, alchémille des montagnes  +
Alchemilla subcrenata +Round-toothed lady’s mantle  +, alchémille subcrénelée  +
Alchemilla venosa +Veined lady’s mantle  +
Alchemilla xanthochlora +Yellow-green lady’s mantle  +
Aletris +Colic-root  +, stargrass  +
Aletris farinosa +Unicorn root  +, white stargrass  +
Aletris lutea +Yellow colic-root  +
Aletris obovata +White colic-root  +
Alisma +Water-plantain  +
Alisma gramineum +Grass-leaved water-plantain  +, alisma graminoide  +
Alisma subcordatum +Southern water-plantain  +, alisma subcorde  +
Alisma triviale +Northern water-plantain  +, alisma commun  +
Alismataceae +Water-plantain or Arrowhead Family  +
Allenrolfea +Iodine bush  +
Alliaria +Garlic mustard  +
Allionia choisyi +Trailing four-o’clock  +, umbrella-wort  +, garapatilla  +
Allionia incarnata +Allionia  +, hierba de la hormiga  +, pink three-flower  +,
Allium +Onion  +
Allium ampeloprasum +Wild leek  +
Allium cepa +Cultivated onion  +
Allium fistulosum +Welsh onion  +, Japanese bunching onion  +
Allium nigrum +Black garlic  +, Homer’s garlic  +
Allium sativum +Garlic  +
Allium schoenoprasum +Chive  +
Allium tricoccum +Ramp  +
Allium tuberosum +Chinese chive  +, oriental garlic  +
Allolepis +J.k. wipff  +
Allolepis texana +False saltgrass  +
Alloteropsis cimicina +Bugseed grass  +
Allotropa virgata +Sugarstick  +
Almutaster +Aster  +
Almutaster pauciflorus +Marsh alkali aster  +
Alnus +Alder  +, aulne  +, aune  +
Alnus glutinosa +Black alder  +, European alder  +
Alnus incana subsp. rugosa +Speckled alder  +, tag alder  +, swamp alder  +,
Alnus incana subsp. tenuifolia +Thinleaf alder  +, mountain alder  +
Alnus maritima +Seaside alder  +, brook alder  +
Alnus oblongifolia +Arizona alder  +, New Mexican alder  +, aliso (Mexico)  +
Alnus rhombifolia +White alder  +, California alder  +
Alnus rubra +Red alder  +, Oregon alder  +
Alnus serrulata +Smooth alder  +, hazel alder  +
Alnus viridis subsp. crispa +Green alder  +, mountain alder  +, aulne vert  +,
Alnus viridis subsp. fruticosa +Siberian alder  +
Alnus viridis subsp. sinuata +Sitka alder  +, mountain alder  +
Aloaceae +Aloe Family  +
Aloe +Aloe  +
Aloe vera +Barbados aloe  +, Curaçao aloe  +, medicinal aloe  +,
Alopecurus aequalis var. aequalis +Shortawn foxtail  +, Vulpin a courtes aretes  +
Alopecurus aequalis var. sonomensis +Sonoma shortawn foxtail  +
Alopecurus arundinaceus +Creeping meadow foxtail  +, Vulpin roseau  +
Alopecurus carolinianus +Tufted foxtail  +
Alopecurus creticus +Cretan meadow foxtail  +
Alopecurus geniculatus +Water foxtail  +, Vulpin genicule  +
Alopecurus magellanicus +Foxtail  +, Boreal foxtail  +, Vulpin alpin  +,
Alopecurus myosuroides +Blackgrass  +, Slender meadow foxtail  +
Alopecurus pratensis +Meadow foxtail  +, Vulpin des pres  +
Alopecurus rendlei +Rendle's meadow foxtail  +
Alopecurus saccatus +Pacific meadow foxtail  +
Alophia +Pinewoods-lily  +, purple pleat-leaf  +
Alophia drummondii +Propeller flower  +
Alpinia +Ginger-lily  +
Alpinia zerumbet +Shellflower  +
Alstroemeria +Lily-of-the-Incas  +, Peruvian-lily  +
Alternanthera brasiliana +Brazilian joyweed  +
Alternanthera ficoidea +Sanguina rea  +
Alternanthera ficoidea var. bettzickiana +Calicoplant  +, parrotleaf  +
Alternanthera flavescens +Yellow joyweed  +
Alternanthera maritima +Seaside joyweed  +
Alternanthera paronychioides +Smooth joyweed  +
Alternanthera philoxeroides +Alligatorweed  +
Alternanthera sessilis +Sessile joyweed  +
Althaea +Marshmallow  +, guimauve  +
Althaea armeniaca +Armenian marshmallow  +, guimauve arménienne  +
Althaea cannabina +Hemp-leaved marshmallow  +
Althaea hirsuta +Rough marshmallow  +
Althaea officinalis +Marshmallow  +, guimauve officinale  +
Alvaradoa amorphoides +Mexican alvaradoa  +
Alyssum +Madwort  +
Amaranthaceae +Amaranth Family  +
Amaranthus +Amaranth  +, pigweed  +
Amaranthus acanthochiton +Gree nstripe  +, greenstripe amaranth  +
Amaranthus albus +Tumbleweed amaranth  +, tumble pigweed  +, white amaranth  +
Amaranthus arenicola +Sand amaranth  +
Amaranthus australis +Southern water-hemp  +, southern amaranth  +
Amaranthus blitoides +Prostrate pigweed  +, prostrate amaranth  +, matweed  +,
Amaranthus blitum +Purple amaranth  +, livid amaranth  +
Amaranthus californicus +Californian amaranth  +, California amaranth  +
Amaranthus cannabinus +Salt-marsh water-hemp  +, tidal-marsh water-hemp  +, water-hemp pigweed  +
Amaranthus caudatus +Love-lies-bleeding  +, purple amaranth  +, foxtail amaranth  +,
Amaranthus crassipes +Clubfoot amaranth  +, spreading amaranth  +, tropical spreading amaranth  +
Amaranthus crispus +Crisp-leaved amaranth  +
Amaranthus cruentus +Blood amaranth  +, purple amaranth  +, caterpillar amaranth  +
Amaranthus deflexus +Large-fruit amaranth  +, Argentina amaranth  +, deflexed amaranth  +,
Amaranthus dubius +Spleen amaranth  +
Amaranthus fimbriatus +Fringed amaranth  +
Amaranthus floridanus +Florida water-hemp  +, Florida amaranth  +
Amaranthus graecizans +Mediterranean amaranth  +
Amaranthus greggii +Gregg’s amaranth  +, Josiah amaranth  +
Amaranthus hybridus +Smooth amaranth  +, smooth pigweed  +, green amaranth  +,
Amaranthus hypochondriacus +Prince’s-feather  +, Prince-of-Wales-feather  +, prince’s-feather amarant h  +
Amaranthus muricatus +Muricate amaranth  +, “African amaranth”  +
Amaranthus obcordatus +Trans-Pecos amaranth  +
Amaranthus palmeri +Palmer’s amara nth  +
Amaranthus polygonoides +Smartweed amaranth  +, tropical amaranth  +
Amaranthus powellii +Powell’s amaranth  +, green amaranth  +, Powell’s smooth amaranth  +
Amaranthus pumilus +Seabeach amaranth  +, coast amaranth  +
Amaranthus retroflexus +Redroot pigweed  +, redroot amaranth  +, wild-beet amaranth  +,
Amaranthus scleropoides +Bonebract amaranth  +, bonebract pigweed  +
Amaranthus spinosus +Spiny amaranth  +, thorny amaranth  +
Amaranthus thunbergii +Thunberg’s amaranth  +
Amaranthus torreyi +Torrey’s amaranth  +, Bigelow’s amaranth  +
Amaranthus tricolor +Joseph’s coat  +, summer poinsettia  +
Amaranthus tuberculatus +Rough-fruited water-hemp  +, tall water-hemp  +, rough-fruit amaranth  +
Amaranthus viridis +Slender amaranth  +, tropical green amaranth  +, green amaranth  +
Amaranthus watsonii +Watson’s amaranth  +
Amaranthus wrightii +Wright’s amaranth  +
Amberboa moschata +Sweet-sultan  +
Amblyolepis +Huisache-daisy  +
Ambrosia +Ragweed  +
Ambrosia artemisiifolia +Petite herbe à poux  +
Ambrosia dumosa +Bursage  +
Ambrosia psilostachya +Herbe à poux vivace  +
Ambrosia salsola +Burrobush  +
Ambrosia trifida +Giant ragweed  +, grande herbe à poux  +
Amelanchier +Shadbush  +, serviceberry  +, sarvisberry  +,
Amelanchier alnifolia +Alder-leaved shadbush  +, saskatoon  +, saskatoon berry  +,
Amelanchier alnifolia var. pumila +Dwarf shadbush  +
Amelanchier alnifolia var. semiintegrifolia +Many-flowered shadbush  +
Amelanchier amabilis +Lovely shadbush  +, amélanchier gracieux  +
Amelanchier arborea +Downy shadbush  +
Amelanchier bartramiana +Mountain shadbush or serviceberry  +, amélanchier de Bartram  +
Amelanchier canadensis +Eastern shadbush  +, amélanchier du Canada  +
Amelanchier cusickii +Cusick’s shadbush  +
Amelanchier fernaldii +Fernald’s shadbush  +, amélanchier de Fernald  +
Amelanchier gaspensis +Gaspé shadbush  +, amélanchier de Gaspésie  +
Amelanchier humilis +Low shadbush  +, amélanchier bas  +
Amelanchier interior +Wiegand’s shadbush  +, amélanchier de l'intérieur  +
Amelanchier intermedia +Intermediate shadbush  +, amélanchier intermédiaire  +
Amelanchier laevis +Smooth shadbush  +, amélanchier glabre  +
Amelanchier nantucketensis +Nantucket shadbush  +
Amelanchier nitens +Shining shadbush  +
Amelanchier pallida +Pale serviceberry or shadbush  +
Amelanchier sanguinea +Red-twigged shadbush  +, amélanchier sanguin  +
Amelanchier spicata +Thicket shadbush  +, amélanchier en épis  +
Amelanchier utahensis +Utah serviceberry or shadbush  +
Amelichloa brachychaeta +Puna needlegrass  +
Amelichloa caudata +South american needlegrass  +
Amelichloa clandestina +Mexican needlegrass  +
Amerorchis +Round-leaved orchis  +, amérorchis  +, Amérorchis à feuille ronde  +
Amianthium +Fly-poison  +, crow-poison  +, St. Elmo’s-feather  +,
Ammophila arenaria +European beachgrass  +, Marramgrass  +
Ammophila breviligulata subsp. breviligulata +American beachgrass  +, Ammophile à ligule courte  +
Ammophila breviligulata subsp. champlainensis +Champlain beachgrass  +
Amoreuxia +Yellowshow  +
Amoreuxia gonzalezii +Santa Rita Mountain yellowshow  +, saya  +, saiya  +
Amoreuxia palmatifida +Mexican yellowshow  +, saya  +, saiya  +,
Amoreuxia wrightii +Wright´s yellowshow  +
Ampelaster carolinianus +Climbing aster  +
Ampelodesmos mauritanicus +Mauritanian grass  +
Ampelopsis cordata +Raccoon or false grape  +
Ampelopsis glandulosa +Porcelainberry  +
Amphiachyris +Broomweed  +
Amphiachyris amoena +Texas broomweed  +
Amphiachyris dracunculoides +Prairie broomweed  +
Amphibromus neesii +Southern swamp wallabygrass  +
Amphibromus nervosus +Common swamp wallabygrass  +
Amphibromus scabrivalvis +Rough amphibromus  +
Amphicarpum amphicarpon +Pursh's blue maidencane  +, Hairy maidencane  +
Amphicarpum muhlenbergianum +Blue maidencane  +
Amphipappus fremontii +Fremont’s chaffbush  +
Anagallis +Pimpernel  +, poorman’s weatherglass  +
Anagallis arvensis +Scarlet pimpernel  +, mouron rouge  +
Anagallis minima +Chaffweed  +
Anagallis monelli +Flaxleaf or Mediterranean pimpernel  +
Anagallis pumila +Florida pimpernel  +
Anaphalis margaritacea +Pearly everlasting  +, anaphale marguerite  +, immortelle blanche  +
Ancistrocactus brevihamatus +Short-spined fishhook cactus  +, Tobusch cactus  +
Ancistrocactus scheeri +Root cactus  +
Ancistrocarphus +Groundstar  +
Ancistrocarphus filagineus +Hooked groundstar  +, woolly fishhooks  +
Ancistrocarphus keilii +Santa Ynez groundstar  +
Andromeda +Bog rosemary  +, andromède  +
Andromeda polifolia var. latifolia +Andromède glauque  +
Andromeda polifolia var. polifolia +Northern bog or wild rosemary  +, moorwort  +, andromède à feuilles de polium  +
Andropogon arctatus +Pinewoods bluestem  +
Andropogon bicornis +Barbas de indio  +
Andropogon brachystachyus +Shortspike bluestem  +
Andropogon floridanus +Florida bluestem  +
Andropogon gerardii +Big bluestem  +, Barbon de gerard  +
Andropogon glomeratus +Bushy bluestem  +, Bushy beardgrass  +
Andropogon gracilis +Wire bluestem  +
Andropogon gyrans var. gyrans +Elliott's beardgrass  +
Andropogon hallii +Sand bluestem  +
Andropogon liebmannii +Liebmann's bluestem  +, Mohr's bluestem  +
Andropogon longiberbis +Hairy bluestem  +
Andropogon ternarius +Split bluestem  +
Andropogon tracyi +Tracy's bluestem  +
Andropogon virginicus +Broomsedge bluestem  +
Androsace +Rock jasmine  +
Androsace chamaejasme subsp. lehmanniana +Sweetflower rock jasmine  +
Androsace elongata subsp. acuta +California rock jasmine  +
Androsace filiformis +Filiform rock jasmine  +
Androsace occidentalis +Western rock jasmine  +
Androsace septentrionalis +Pygmyflower  +, rock jasmine  +, androsace septentrionale  +
Androstephium +Funnel-lily  +
Androstephium breviflorum +Pink funnel-lily  +, small-flowered androstephium  +
Androstephium coeruleum +Blue funnel-lily  +
Anemia adiantifolia +Pine fern  +
Anemone +Windflower  +, anémone  +
Anemone acutiloba +Sharp-lobed hepatica  +, anémone &agrave  +, lobes aigus  +,
Anemone americana +Round-lobed hepatica  +, anémone d'Amérique  +, hépatique d'Amérique  +
Anemone berlandieri +Tenpetal anemone  +
Anemone canadensis +Canada anemone  +, anémone du Canada  +
Anemone caroliniana +Carolina anemone  +
Anemone cylindrica +Long-headed anemone  +, thimbleweed  +, candle anemone  +,
Anemone deltoidea +Columbia windflower  +, western white anemone  +
Anemone drummondii +Drummond's anemone  +
Anemone edwardsiana var. petraea +Edge Falls anemone  +
Anemone grayi +Western windflower  +
Anemone lancifolia +Lance-leaved anemone  +
Anemone lyallii +Little mountain anemone  +
Anemone multiceps +Purple anemone  +
Anemone multifida +Cut-leaved anemone  +, anémone multifide  +
Anemone narcissiflora +Narcissus-flowered anemone  +
Anemone occidentalis +Western pasqueflower  +, mountain pasqueflower  +, pulsatille  +
Anemone okennonii +Okennon's anemone  +
Anemone oregana +Oregon anemone  +, western wood anemone  +
Anemone parviflora +Northern anemone  +, small-flowered anemone  +
Anemone patens var. multifida +Pasqueflower  +, prairie-smoke  +, prairie-crocus  +,
Anemone piperi +Piper's anemone  +
Anemone quinquefolia +Wood anemone  +, anémone &agrave  +, cinq folioles  +
Anemone richardsonii +Yellow anemone  +, anémone de Richardson  +
Anemone tuberosa +Desert anemone  +
Anemone virginiana +Thimbleweed  +, tall anemone  +, anémone de Virginie  +
Anemopsis +Yerba mansa  +
Anisocoma acaulis +Scalebud  +
Annona +Custard-apple  +, soursop  +, alligator-apple  +
Annona glabra +Pond-apple  +
Annona squamosa +Sweetsop  +, sugar-apple  +
Annonaceae +Custard-apple family  +
Anoda crenatiflora +Pintapán del monte  +
Anoda cristata +Violeta  +
Anredera +Madeira-vine  +
Anredera cordifolia +Madeira-vine  +
Anredera vesicaria +Sacasile  +
Antennaria +Pussytoes  +, everlasting  +, ladies’ tobacco  +,
Antennaria alpina +Alpine pussytoes  +
Antennaria anaphaloides +Pearly or handsome or tall pussytoes  +
Antennaria arcuata +Box or meadow pussytoes  +
Antennaria argentea +Silver pussytoes  +
Antennaria aromatica +Scented or aromatic pussytoes  +
Antennaria corymbosa +Flat-top or meadow pussytoes  +
Antennaria densifolia +Denseleaf pussytoes  +
Antennaria dimorpha +Low or two-form or cushion pussytoes  +
Antennaria dioica +Stoloniferous pussytoes  +
Antennaria flagellaris +Whip or stoloniferous pussytoes  +
Antennaria friesiana +Fries’s pussytoes  +, antennaire de Fries  +
Antennaria friesiana subsp. alaskana +Alaskan pussytoes  +
Antennaria friesiana subsp. neoalaskana +Frost boil or outcrop pussytoes  +
Antennaria geyeri +Pinewoods pussytoes  +
Antennaria howellii +Howell’s pussytoes  +, antennaire de Howell  +
Antennaria howellii subsp. canadensis +Canadian pussytoes  +, antennaire du Canada  +
Antennaria howellii subsp. neodioica +Antennaire néodioïque  +
Antennaria howellii subsp. petaloidea +Petaloid pussytoes  +, antennaire pétaloïde  +
Antennaria lanata +Woolly pussytoes  +
Antennaria luzuloides +Rush or silvery brown pussytoes  +
Antennaria luzuloides subsp. aberrans +Small-headed rush pussytoes  +
Antennaria marginata +Whitemargin pussytoes  +
Antennaria media +Rocky Mountain pussytoes  +
Antennaria microphylla +Littleleaf pussytoes  +
Antennaria monocephala +Pygmy pussytoes  +
Antennaria monocephala subsp. angustata +Narrow-leaved pygmy pussytoes  +, antennaire étroite  +
Antennaria neglecta +Field pussytoes  +, antennaire négligée  +
Antennaria parlinii +Parlin’s pussytoes  +
Antennaria parlinii subsp. fallax +Deceitful pussytoes  +, antennaire litigieuse  +
Antennaria parlinii subsp. parlinii +Antennaire de Parlin  +
Antennaria parvifolia +Small-leaf or Nuttall’s pussytoes  +
Antennaria plantaginifolia +Plantain-leaved pussytoes  +, antennaire à feuilles de plantain  +
Antennaria pulchella +Sierra pussytoes  +
Antennaria pulcherrima +Showy or handsome pussytoes  +, antennaire magnifique  +
Antennaria pulcherrima subsp. eucosma +Elegant pussytoes  +
Antennaria racemosa +Racemose pussytoes  +
Antennaria rosea +Rosy pussytoes  +, antennaire rosée  +
Antennaria rosea subsp. arida +Desert pussytoes  +
Antennaria rosea subsp. pulvinata +Pulvinate pussytoes  +
Antennaria rosulata +Kaibab or woolly pussytoes  +
Antennaria soliceps +Charleston Mountain or Charleston pussytoes  +
Antennaria solitaria +Singlehead pussytoes  +
Antennaria stenophylla +Narrowleaf pussytoes  +
Antennaria suffrutescens +Evergreen or everlasting pussytoes  +
Antennaria umbrinella +Umber or brown or brown-bracted pussytoes  +
Antennaria virginica +Shalebarren pussytoes  +
Anthemis +Chamomile  +
Anthemis arvensis +Corn chamomile  +, fausse camomille  +, anthémis des champs  +
Anthemis cotula +Mayweed  +, stinking chamomile  +, camomille maroute  +
Anthenantia rufa +Purple silkyscale  +
Anthenantia villosa +Purple silkyscale  +
Anthephora hermaphrodita +Oldfield grass  +
Anthoxanthum arcticum +Arctic sweetgrass  +, Hierochloe pauciflore  +
Anthoxanthum aristatum +Vernalgrass  +
Anthoxanthum monticola +Alpine sweetgrass  +, Hierochloé alpine  +
Anthoxanthum nitens +Vanilla sweetgrass  +, Hierochloe odorante  +, Foin d'odeur  +,
Anthoxanthum occidentale +California sweetgrass  +
Anthoxanthum odoratum +Sweet vernalgrass  +, Flouve odorante  +, Foin d'odeur  +
Antigonon +Coralvine  +, Mexican creeper  +, corona de la reina  +,
Antigonon leptopus +Mountain-rose coralvine  +, queen’s-jewels  +
Antirrhinum +Snapdragon  +
Antirrhinum majus +Muflier commun  +
Anulocaulis +Ringstem  +
Apacheria chiricahuensis +Chiricahua rockflower  +
Apera interrupta +Interrupted windgrass  +
Apera spica-venti +Common windgrass  +, Loose silkybent  +
Aphanes +Parsley-piert  +
Aphanostephus +Lazydaisy  +
Aphanostephus pilosus +Hairy lazydaisy  +
Aphanostephus ramosissimus +Plains lazydaisy  +
Aphanostephus riddellii +Riddell’s lazydaisy  +
Aphanostephus skirrhobasis +Arkansas lazydaisy  +
Aplectrum +Putty-root  +, Adam-and-Eve  +, aplectrum d’hiver  +
Apluda mutica +Mauritian grass  +
Apodanthera +Melon loco  +
Aponogeton distachyos +Cape-pondweed  +, water-hawthorne  +
Aponogetonaceae +Aponogeton or Cape-pondweed Family  +
Aptenia cordifolia +Baby sun-rose  +
Apteria aphylla +Nodding-nixie  +
Aquilegia +Columbine  +, ancolie  +
Aquilegia canadensis +Canadian columbine  +, ancolie du Canada  +
Aquilegia hinckleyana +Hinckley's columbine  +
Aquilegia laramiensis +Laramie columbine  +
Aquilegia longissima +Long-spur columbine  +
Aquilegia vulgaris +Ancolie vulgaire  +
Arabidopsis +Mouse-ear or thale cress  +
Arabidopsis thaliana +Thale cress  +
Arabis +Rockcress  +
Arabis caucasica +Garden rockcress  +
Araceae +Arum Family  +
Arachniodes +East Indian holly fern  +
Arachniodes simplicior +Simpler East Indian holly fern  +
Arbutus +Madrone  +, madroño  +
Arbutus arizonica +Arizona madrone  +
Arbutus menziesii +Pacific madrone  +
Arbutus xalapensis +Texas madrone  +
Arceuthobium +Dwarf mistletoe  +
Arceuthobium americanum +Lodgepole pine dwarf mistletoe  +
Arceuthobium campylopodum +Western dwarf mistletoe  +
Arceuthobium campylopodum subsp. abietinum +Fir dwarf mistletoe  +
Arceuthobium campylopodum subsp. apachecum +Apache dwarf mistletoe  +
Arceuthobium campylopodum subsp. blumeri +Blumer's dwarf mistletoe  +
Arceuthobium campylopodum subsp. californicum +Sugar pine dwarf mistletoe  +
Arceuthobium campylopodum subsp. cyanocarpum +Limber pine dwarf mistletoe  +
Arceuthobium campylopodum subsp. laricis +Larch dwarf mistletoe  +
Arceuthobium campylopodum subsp. littorum +Coastal dwarf mistletoe  +
Arceuthobium campylopodum subsp. microcarpum +Western spruce dwarf mistletoe  +
Arceuthobium campylopodum subsp. monticola +Western white pine dwarf mistletoe  +
Arceuthobium campylopodum subsp. occidentale +Digger pine dwarf mistletoe  +
Arceuthobium campylopodum subsp. siskiyouense +Knobcone pine dwarf mistletoe  +
Arceuthobium campylopodum subsp. tsugense +Hemlock dwarf mistletoe  +
Arceuthobium divaricatum +Pinyon dwarf mistletoe  +
Arceuthobium douglasii +Douglas-fir dwarf mistletoe  +
Arceuthobium gillii +Chihuahua pine dwarf mistletoe  +
Arceuthobium pusillum +Eastern dwarf mistletoe  +
Arceuthobium vaginatum subsp. cryptopodum +Southwestern dwarf mistletoe  +
Arctagrostis latifolia +Polargrass  +
Arctagrostis latifolia subsp. arundinacea +Reed polargrass  +
Arctagrostis latifolia subsp. latifolia +Polargrass  +, Arctagrostis à larges feuilles  +
Arctanthemum arcticum subsp. arcticum +Arctic daisy  +
Arctanthemum arcticum subsp. polare +Polar daisy  +, chrysanthème polaire  +
Arctium +Burdock  +, clotbur  +, bardane  +
Arctium lappa +Great burdock  +, grande bardane  +
Arctium minus +Common or lesser burdock  +, petite bardane  +, cibourroche  +,
Arctium tomentosum +Woolly burdock  +, bardane tomenteuse  +
Arctomecon +Desert bearclaw-poppy  +
Arctomecon californica +Golden bearclaw-poppy  +
Arctomecon humilis +Dwarf bearclaw-poppy  +
Arctomecon merriamii +Great bearclaw-poppy  +
Arctophila fulva +Pendant grass  +, Arctophile fauve  +
Arctostaphylos +Manzanita  +
Arctostaphylos andersonii +Santa Cruz manzanita  +
Arctostaphylos auriculata +Mount Diablo manzanita  +
Arctostaphylos bakeri +Baker’s manzanita  +
Arctostaphylos bakeri subsp. bakeri +Baker’s manzanita  +
Arctostaphylos bakeri subsp. sublaevis +The Cedars manzanita  +
Arctostaphylos canescens +Hoary manzanita  +
Arctostaphylos canescens subsp. sonomensis +Sonoma manzanita  +
Arctostaphylos catalinae +Santa Catalina Island manzanita  +
Arctostaphylos columbiana +Hairy manzanita  +
Arctostaphylos confertiflora +Santa Rosa Island manzanita  +
Arctostaphylos crustacea +Brittleleaf manzanita  +
Arctostaphylos crustacea subsp. rosei +Rose’s manzanita  +
Arctostaphylos crustacea subsp. subcordata +Santa Cruz Island manzanita  +
Arctostaphylos cruzensis +La Cruz manzanita  +
Arctostaphylos densiflora +Vine Hill manzanita  +
Arctostaphylos edmundsii +Little Sur manzanita  +
Arctostaphylos gabilanensis +Gabilan manzanita  +
Arctostaphylos glandulosa +Eastwood’s manzanita  +
Arctostaphylos glandulosa subsp. cushingiana +Cushing’s manzanita  +
Arctostaphylos glandulosa subsp. gabrielensis +San Gabriel manzanita  +
Arctostaphylos glauca +Bigberry manzanita  +
Arctostaphylos glutinosa +Schreiber’s manzanita  +
Arctostaphylos hispidula +Gasquet manzanita  +
Arctostaphylos hookeri +Hooker’s manzanita  +
Arctostaphylos hookeri subsp. hearstiorum +Hearst’s manzanita  +
Arctostaphylos hooveri +Hoover’s manzanita  +
Arctostaphylos imbricata +San Bruno Mountain manzanita  +
Arctostaphylos insularis +Island manzanita  +
Arctostaphylos klamathensis +Klamath manzanita  +
Arctostaphylos luciana +Santa Lucia manzanita  +
Arctostaphylos malloryi +Mallory’s manzanita  +
Arctostaphylos manzanita +Common manzanita  +
Arctostaphylos manzanita subsp. elegans +Konocti manzanita  +
Arctostaphylos manzanita subsp. laevigata +Contra Costa manzanita  +
Arctostaphylos manzanita subsp. roofii +Roof’s manzanita  +
Arctostaphylos manzanita subsp. wieslanderi +Wieslander’s manzanita  +
Arctostaphylos mewukka +Indian manzanita  +
Arctostaphylos mewukka subsp. truei +True’s manzanita  +
Arctostaphylos montana subsp. montana +Mount Tamalpais manzanita  +
Arctostaphylos montana subsp. ravenii +Presidio manzanita  +
Arctostaphylos montaraensis +Montara manzanita  +
Arctostaphylos montereyensis +Monterey manzanita  +
Arctostaphylos morroensis +Morro manzanita  +
Arctostaphylos myrtifolia +Ione manzanita  +
Arctostaphylos nevadensis +Pinemat manzanita  +
Arctostaphylos nevadensis subsp. knightii +Knight’s manzanita  +
Arctostaphylos nissenana +Nissenan manzanita  +
Arctostaphylos nortensis +Del Norte manzanita  +
Arctostaphylos nummularia +Glossyleaf manzanita  +
Arctostaphylos nummularia subsp. mendocinoensis +Pygmy manzanita  +
Arctostaphylos obispoensis +Serpentine manzanita  +
Arctostaphylos osoensis +Oso manzanita  +
Arctostaphylos otayensis +Otay manzanita  +
Arctostaphylos pacifica +Pacific manzanita  +
Arctostaphylos pajaroensis +Pajaro manzanita  +
Arctostaphylos pallida +Alameda manzanita  +
Arctostaphylos parryana +Parry manzanita  +
Arctostaphylos patula +Greenleaf manzanita  +
Arctostaphylos pechoensis +Pecho manzanita  +
Arctostaphylos pilosula +La Panza manzanita  +
Arctostaphylos pringlei +Pringle manzanita  +
Arctostaphylos pringlei subsp. drupacea +Pinkbracted manzanita  +
Arctostaphylos pumila +Sandmat manzanita  +
Arctostaphylos pungens +Pointleaf or Mexican manzanita  +
Arctostaphylos purissima +La Purissima manzanita  +
Arctostaphylos rainbowensis +Rainbow manzanita  +
Arctostaphylos refugioensis +Refugio manzanita  +
Arctostaphylos regismontana +Kings Mountain manzanita  +
Arctostaphylos rudis +Shagbark manzanita  +
Arctostaphylos sensitiva +Coinleaf manzanita  +
Arctostaphylos silvicola +Bonny Doon manzanita  +
Arctostaphylos stanfordiana +Stanford’s manzanita  +
Arctostaphylos stanfordiana subsp. decumbens +Rincon manzanita  +
Arctostaphylos stanfordiana subsp. raichei +Raiche’s manzanita  +
Arctostaphylos tomentosa +Woollyleaf manzanita  +
Arctostaphylos tomentosa subsp. daciticola +Dacite manzanita  +
Arctostaphylos uva-ursi +Bearberry  +, kinnikinnik  +, bousserole  +,
Arctostaphylos virgata +Marin manzanita  +
Arctostaphylos viridissima +Whitehair manzanita  +
Arctostaphylos viscida +Sticky whiteleaf manzanita  +
Arctostaphylos viscida subsp. mariposa +Mariposa manzanita  +
Arctotheca +Capeweed  +
Arctotis +African-daisy  +
Arctotis fastuosa +Monarch-of-the-veld  +
Arctotis stoechadifolia +Blue-eyed African-daisy  +
Arctous +Alpine bearberry  +
Arctous alpina +Torpedoberry  +
Arctous rubra +Red bearberry or manzanita  +, busserole rouge  +
Ardisia +Marlberry  +
Ardisia crenata +Coral ardisia  +, coral-berry  +, spice-berry  +,
Ardisia elliptica +Shoebutton ardisia  +
Ardisia escallonioides +Island marlberry  +
Arecaceae +Palm Family  +
Arenaria +Sandwort  +, sabline  +
Arenaria benthamii +Hilly sandwort  +
Arenaria humifusa +Creeping sandwort  +, sabline rampante  +
Arenaria lanuginosa +Spreading sandwort  +
Arenaria livermorensis +Livermore sandwort  +
Arenaria longipedunculata +Longstem sandwort  +
Arenaria ludens +Trans-Pecos sandwort  +
Arenaria paludicola +Marsh sandwort  +
Arenaria serpyllifolia +Thymeleaf sandwort  +, sabline á feuilles de serpolet  +
Arethusa +Arethusa  +, dragon’s-mouth  +, aréthuse  +
Argemone +Prickly-poppy  +
Argyranthemum +Marguerite  +
Argythamnia +Silverbush  +, wild-mercury  +
Argythamnia adenophora +Glandular silverbush  +
Argythamnia aphoroides +Hill country silverbush  +
Argythamnia argothamnoides +Blodgett’s silverbush  +
Argythamnia argyraea +Silky silverbush  +, silvery wild-mercury  +
Argythamnia brandegeei +Sonoran or Brandegee’s silverbush  +
Argythamnia claryana +Desert silverbush  +
Argythamnia cyanophylla +Charleston Mountain silverbush  +, bruise leaf  +
Argythamnia humilis +Low silverbush  +
Argythamnia lanceolata +Narrowleaf silverbush  +
Argythamnia mercurialina +Tall silverbush  +
Argythamnia serrata +Yuma or New Mexico silverbush  +
Argythamnia simulans +Plateau silverbush  +
Arida +Desert tansy-aster  +
Arida arizonica +Desert tansy-aster  +
Arida blepharophylla +Gypsum tansy-aster  +
Arida carnosa +Shrubby alkali tansy-aster  +
Arida parviflora +Small-flower tansy-aster  +
Arida riparia +Chiricahua mountain tansy-aster  +, alkali aster  +
Ariocarpus fissuratus +Living-rock cactus  +, star cactus  +, chaute  +,
Arisaema +Jack-in-the-pulpit  +
Arisaema dracontium +Green-dragon  +, dragon-root  +
Arisaema triphyllum +Jack-in-the-pulpit  +, Indian-turnip  +, petit-prêcheur  +
Aristida adscensionis +Sixweeks threeawn  +
Aristida arizonica +Arizona threeawn  +
Aristida basiramea +Forktip threeawn  +, Aristide à rameaux basilaires  +
Aristida californica +Mojave threeawn  +
Aristida condensata +Big threeawn  +
Aristida desmantha +Curly threeawn  +
Aristida dichotoma +Churchmouse threeawn  +
Aristida divaricata +Poverty grass  +
Aristida floridana +Florida threeawn  +
Aristida gypsophila +Gypsum threeawn  +
Aristida gyrans +Corkscrew threeawn  +
Aristida havardii +Havard’s threeawn  +
Aristida lanosa +Wooly threeawn  +
Aristida longespica var. geniculata +Kearney's threeawn  +
Aristida longespica var. longespica +Slimspike threeawn  +
Aristida mohrii +Mohr's threeawn  +
Aristida oligantha +Oldfield threeawn  +
Aristida palustris +Longleaf threeawn  +
Aristida pansa +Wooton's threeawn  +
Aristida patula +Tall threeawn  +
Aristida purpurascens var. purpurascens +Arrowfeather threeawn  +
Aristida purpurea var. fendleriana +Fendler's threeawn  +
Aristida purpurea var. longiseta +Red threeawn  +
Aristida purpurea var. nealleyi +Nealley's threeawn  +
Aristida purpurea var. parishii +Parish's threeawn  +
Aristida purpurea var. perplexa +Jornada threeawn  +
Aristida purpurea var. purpurea +Purple threeawn  +
Aristida purpurea var. wrightii +Wright's threeawn  +
Aristida ramosissima +S-curve threeawn  +
Aristida schiedeana +Single threeawn  +
Aristida simpliciflora +Southern threeawn  +
Aristida spiciformis +Bottlebrush threeawn  +
Aristida stricta +Wiregrass  +, Pineland threeawn  +
Aristida ternipes var. gentilis +Hook threeawn  +
Aristida ternipes var. ternipes +Spidergrass  +
Aristida tuberculosa +Seaside threeawn  +
Aristocapsa +Valley spinycape  +
Aristolochia +Dutchman's-pipe  +, aristoloche  +
Aristolochia californica +California snakeroot  +
Aristolochia clematitis +Birthwort  +, aristoloche clématite  +, asarabacca  +
Aristolochia coryi +Cory's Dutchman's-pipe  +
Aristolochia erecta +Swanflower  +
Aristolochia macrophylla +Dutchman's-pipe  +
Aristolochia maxima +Florida Dutchman's-pipe  +
Aristolochia pentandra +Marsh's Dutchman's-pipe  +
Aristolochia reticulata +Texas Dutchman's-pipe  +
Aristolochia serpentaria +Virginia snakeroot  +
Aristolochia tomentosa +Pipevine  +
Aristolochia watsonii +Indianroot  +
Aristolochia wrightii +Wright's Dutchman's-pipe  +
Aristolochiaceae +Dutchman's-Pipe Family  +
Arivela +Spiderflower  +
Arivela viscosa +Wild mustard  +, tickweed  +, yellow cleome  +
Armeria +Thrift  +
Armoracia +Horseradish  +
Arnica acaulis +Common leopardbane  +
Arnica angustifolia +Narrowleaf arnica  +
Arnica angustifolia subsp. angustifolia +Arnica à feuilles étroites  +
Arnica cernua +Serpentine arnica  +
Arnica chamissonis +Chamisso arnica  +, leafy arnica  +, arnica de Chamisso  +
Arnica cordifolia +Heartleaf arnica  +
Arnica dealbata +Mock leopardbane  +
Arnica discoidea +Rayless arnica  +
Arnica fulgens +Foothill arnica  +
Arnica gracilis +Smallhead arnica  +
Arnica griscomii +Snow arnica  +
Arnica griscomii subsp. frigida +Snow arnica  +
Arnica griscomii subsp. griscomii +Griscom’s arnica  +, arnica de Griscom  +
Arnica lanceolata subsp. lanceolata +Lanceleaf arnica  +, arnica à aigrettes brunes  +
Arnica lanceolata subsp. prima +Clasping arnica  +
Arnica latifolia +Broadleaf arnica  +
Arnica lessingii +Nodding arnica  +
Arnica lonchophylla +Longleaf arnica  +, northern arnica  +, arnica lonchophylle  +
Arnica longifolia +Spearleaf arnica  +
Arnica louiseana +Lake Louise arnica  +, snow arnica  +
Arnica mollis +Hairy arnica  +
Arnica nevadensis +Nevada arnica  +, Sierra arnica  +
Arnica ovata +Sticky leaf arnica  +
Arnica parryi +Parry’s arnica  +, nodding arnica  +
Arnica rydbergii +Rydberg’s arnica  +
Arnica sororia +Twin arnica  +
Arnica spathulata +Klamath arnica  +
Arnica unalaschcensis +Alaska arnica  +
Arnica venosa +Shasta County arnica  +
Arnica viscosa +Mt. Shasta arnica  +
Arnoglossum +Indian plantain  +
Aronia +Chokeberry  +
Aronia arbutifolia +Red chokeberry  +
Aronia melanocarpa +Black chokeberry  +
Arrhenatherum elatius +Tall oatgrass  +, Fenasse  +, Fromental  +
Artemisia +Felon-herb  +, mugwort  +, sagebrush  +,
Artemisia abrotanum +Southernwood  +, lad’s love  +, old man  +,
Artemisia absinthium +Common wormwood  +, armoise absinthe  +
Artemisia alaskana +Siberian wormwood  +
Artemisia aleutica +Aleutian wormwood  +
Artemisia annua +Sweet Annie  +, sweet sagewort  +, armoise annuelle  +
Artemisia arbuscula +Low sagebrush  +
Artemisia arbuscula subsp. thermopola +Hot Springs sagebrush  +
Artemisia biennis +Biennial wormwood  +, armoise bisannuelle  +
Artemisia bigelovii +Bigelow sagebrush  +
Artemisia borealis subsp. borealis +Boreal sage  +
Artemisia borealis subsp. richardsoniana +Richardson’s sagewort  +
Artemisia californica +California sagebrush  +
Artemisia campestris +Field sagewort  +, sand wormwood  +
Artemisia campestris subsp. canadensis +Armoise du Canada  +
Artemisia campestris subsp. caudata +Armoise caudée  +
Artemisia campestris subsp. pacifica +Western sagewort  +
Artemisia cana subsp. bolanderi +Bolander sagebrush  +
Artemisia cana subsp. cana +Silver wormwood  +
Artemisia cana subsp. viscidula +Sticky sagebrush  +
Artemisia carruthii +Carruth wormwood  +
Artemisia douglasiana +Northwest mugwort  +, Douglas sagewort  +
Artemisia dracunculus +Wild tarragon  +
Artemisia filifolia +Sand sage  +
Artemisia franserioides +Bursage mugwort  +
Artemisia frigida +Fringed sage  +, prairie sagewort  +, armoise douce  +
Artemisia glomerata +Congested sagewort  +
Artemisia laciniata subsp. parryi +Parry sagewort  +
Artemisia longifolia +Long-leaved sage  +
Artemisia ludoviciana +Silver wormwood  +, white or silver sage  +
Artemisia ludoviciana subsp. albula +White wormwood  +
Artemisia ludoviciana subsp. incompta +Mountain wormwood  +
Artemisia ludoviciana subsp. ludoviciana +Armoise de l’ouest  +
Artemisia ludoviciana subsp. mexicana +Mexican wormwood  +
Artemisia michauxiana +Lemon sagewort  +
Artemisia nesiotica +Island sagebrush  +
Artemisia norvegica +Alpine sagewort  +
Artemisia nova +Black sagebrush  +, black sage  +
Artemisia packardiae +Succor Creek mugwort  +
Artemisia palmeri +Palmer sagewort  +
Artemisia papposa +Owyhee sage  +
Artemisia pattersonii +Patterson sagewort  +
Artemisia pedatifida +Matted sagewort  +
Artemisia pontica +Roman wormwood  +, green-ginger  +, armoise de la mer Noire  +
Artemisia porteri +Porter mugwort  +
Artemisia pycnocephala +Coastal sagewort  +
Artemisia pygmaea +Pygmy sage  +
Artemisia rigida +Scabland sagebrush  +
Artemisia rothrockii +Rothrock or sticky sagebrush  +
Artemisia serrata +Serrate-leaved sage  +
Artemisia spiciformis +Snowfield sagebrush  +
Artemisia stelleriana +Beach wormwood  +, armoise de Steller  +
Artemisia suksdorfii +Suksdorf sagewort  +
Artemisia tridentata subsp. parishii +Mojave sagebrush  +
Artemisia tridentata subsp. tridentata +Great Basin sagebrush  +, big sage  +
Artemisia tridentata subsp. vaseyana +Mountain sagebrush  +
Artemisia tridentata subsp. wyomingensis +Wyoming sagebrush  +
Artemisia tripartita +Three-tipped sagebrush  +
Artemisia vulgaris +Common mugwort  +, felon-herb  +, green-ginger  +,
Arthraxon hispidus +Jointhead  +, Small carpetgrass  +
Aruncus +Goat’s-beard  +, bride’s-feathers  +, barbe-de-bouc  +
Arundinaria appalachiana +Hill cane  +
Arundinaria gigantea +River cane  +, Giant cane  +
Arundo donax +Giant reed  +
Asanthus squamulosus +Mule Mountain false brickellbush  +
Asarum +Wild-ginger  +, asaret  +, gingembre sauvage  +
Asarum canadense +Asaret du canada  +, gingembre sauvage  +
Asimina +Pawpaw  +
Asimina incana +Polecat-bush  +, flag-pawpaw  +
Asimina longifolia +Polecat-bush  +
Asimina obovata +Flag-pawpaw  +
Asimina parviflora +Small-flowered pawpaw  +, small-fruited pawpaw  +, dwarf pawpaw  +
Asimina pygmaea +Gopher-berry  +, dwarf pawpaw  +
Asimina reticulata +Flag-pawpaw  +
Asimina tetramera +Four-petaled pawpaw  +
Asimina triloba +Pawpaw  +, dog-banana  +, Indian-banana  +,
Asparagus +Asparagus-fern  +, asperge  +, espárrago  +
Asparagus aethiopicus +Sprenger asparagus-fern  +, emerald-fern  +
Asparagus asparagoides +Smilax asparagus  +
Asparagus officinalis +Garden asparagus  +, common asparagus  +
Asparagus setaceus +Climbing asparagus-fern  +, lace-fern  +
Asphodelus +Asphodel  +
Asphodelus fistulosus +Onion-weed  +
Aspidotis +Lace ferns  +, aspidote  +
Aspidotis californica +California lace fern  +
Aspidotis densa +Indian's dream  +, aspidote touffue  +
Aspleniaceae +Spleenwort Family  +
Asplenium +Spleenwort  +
Asplenium abscissum +Abscised spleenwort  +
Asplenium adiantum-nigrum +Black spleenwort  +
Asplenium adulterinum +Adulterated spleenwort  +
Asplenium auritum +Eared spleenwort  +
Asplenium bradleyi +Bradley's spleenwort  +
Asplenium cristatum +Hemlock spleenwort  +
Asplenium dalhousiae +Countess Dalhousie's spleenwort  +
Asplenium ebenoides +Scott's spleenwort  +
Asplenium exiguum +Little spleenwort  +
Asplenium heterochroum +Varicolored spleenwort  +
Asplenium monanthes +Single-sorus fern  +
Asplenium montanum +Mountain spleenwort  +
Asplenium palmeri +Palmer's spleenwort  +
Asplenium pinnatifidum +Lobed spleenwort  +
Asplenium platyneuron +Ebony spleenwort  +, doradille ébène  +
Asplenium plenum +Ruffled spleenwort  +
Asplenium pumilum +Triangle spleenwort  +, hairy spleenwort  +
Asplenium resiliens +Black-stemmed spleenwort  +
Asplenium rhizophyllum +Walking fern  +, doradille ambulante  +
Asplenium ruta-muraria +Wall rue  +, doradille des murailles  +
Asplenium scolopendrium var. americanum +American hart's-tongue  +
Asplenium septentrionale +Forked spleenwort  +
Asplenium serratum +New World bird's-nest fern  +, American bird's-nest fern  +
Asplenium trichomanes +Maidenhair spleenwort  +, doradille chevelue  +
Asplenium trichomanes-ramosum +Green spleenwort  +, doradille verte  +
Asplenium vespertinum +Western spleenwort  +
Asplenium ×biscayneanum +Biscayne spleenwort  +
Asplenium ×curtissii +Curtiss's spleenwort  +
Asplenium ×heteroresiliens +Morzenti's spleenwort  +
Aster +Aster  +
Aster alpinus +Alpine aster  +
Aster tataricus +Tatarian aster  +
Asteraceae +Composite Family  +
Astilbe +False goatsbeard or spiraea  +, feather-tree  +
Astraea lobata +Lobed croton  +
Astranthium +Western-daisy  +
Astranthium ciliatum +Comanche western-daisy  +
Astranthium integrifolium +Eastern western-daisy  +
Astranthium robustum +Texas western-daisy  +
Astrolepis +Star-scaled cloak ferns  +
Astrophytum asterias +Star-peyote  +, star cactus  +, se a-urchin cactus  +
Atamisquea emarginata +Palo-zorillo  +
Athyrium +Lady fern  +
Athyrium distentifolium var. americanum +American alpine lady fern  +, athyrie alpestre sous-espèce américaine  +
Athyrium filix-femina +Lady fern  +, athyrie fougère-femelle  +
Athyrium filix-femina var. angustum +Northern lady fern  +
Athyrium filix-femina var. asplenioides +Southern lady fern  +, lowland lady fern  +
Athyrium filix-femina var. californicum +Southwestern lady fern  +
Athyrium filix-femina var. cyclosorum +Northwestern lady fern  +
Atrichoseris +Tobacco-weed  +, gravel-ghost  +, parachute plant  +
Atriplex +Orach  +, saltbush  +
Atriplex acanthocarpa +Burscale  +
Atriplex acanthocarpa var. coahuilensis +Coahuila orach  +
Atriplex amnicola +Swamp saltbush  +
Atriplex argentea +Silver orach  +
Atriplex argentea var. hillmanii +Hillman’s orach  +
Atriplex argentea var. longitrichoma +Pahrump orach  +
Atriplex argentea var. mohavensis +Mohave orach  +
Atriplex argentea var. rydbergii +Rydberg’s orach  +
Atriplex californica +California orach  +
Atriplex canescens +Four-wing saltbu sh  +
Atriplex canescens var. gigantea +Lynndyl fourwing  +
Atriplex canescens var. laciniata +Caleb saltbush  +
Atriplex canescens var. macilenta +Salton saltbush  +
Atriplex confertifolia +Shadscale  +
Atriplex cordulata +Heart-leaf orach  +
Atriplex cordulata var. erecticaulis +Earlimart orach  +
Atriplex coronata +Wedgescale  +, crownscale  +
Atriplex coronata var. notatior +San Jacinto Valley crownscale  +
Atriplex coronata var. vallicola +Valley crownscale  +
Atriplex corrugata +Mat-saltbush  +, mat-atriplex  +, matscale  +
Atriplex coulteri +Coulter’s orach  +
Atriplex covillei +Coville’s orach  +
Atriplex dioica +Thickleaf orach  +
Atriplex elegans +White-scale saltbush  +, wheelscale orach  +
Atriplex elegans var. fasciculata +Mecca orach  +
Atriplex fruticulosa +Little oak orach  +
Atriplex gardneri +Gardner’s saltbush  +
Atriplex gardneri var. aptera +Nelson’s saltbush  +
Atriplex gardneri var. bonnevillensis +Bonneville saltbush  +
Atriplex gardneri var. cuneata +Castle Valley saltbush  +
Atriplex gardneri var. falcata +Jones’ saltbush  +
Atriplex gardneri var. utahensis +Basin saltbush  +
Atriplex gardneri var. welshii +Welsh’s saltbush  +
Atriplex garrettii +Garrett’s saltbush  +
Atriplex garrettii var. navajoensis +Navajo Bridge saltbush  +
Atriplex glabriuscula +Glabrous orach  +
Atriplex glabriuscula var. acadiensis +Acadian orach  +
Atriplex glabriuscula var. franktonii +Frankton’s orach  +
Atriplex gmelinii +Gmelin’s orach  +
Atriplex gmelinii var. alaskensis +Alaska orach  +
Atriplex graciliflora +Blue Valley orach  +
Atriplex heterosperma +Russian atriplex  +
Atriplex holocarpa +Pop saltbush  +
Atriplex hortensis +Garden orach  +
Atriplex hymenelytra +Desert holly  +
Atriplex joaquiniana +San Joaquin orach  +
Atriplex klebergorum +Kleberg orach  +
Atriplex laciniata +Belgian orach  +
Atriplex leucophylla +Whiteleaf orach  +
Atriplex lindleyi +Lindley’s saltbush  +
Atriplex linearis +Slenderleaf saltbush  +
Atriplex littoralis +Narrow-leaved atriplex  +
Atriplex mucronata +Quelite  +
Atriplex nudicaulis +Nude orach  +
Atriplex nummularia +Old man saltbush  +
Atriplex oblongifolia +Oblong-leaf orach  +
Atriplex obovata +New Mexico saltbush  +, broadscale  +
Atriplex pacifica +Pacific orach  +
Atriplex parishii var. depressa +Depressed orach  +
Atriplex parishii var. minuscula +Lesser orach  +
Atriplex parishii var. parishii +Parishes’ orach  +
Atriplex parishii var. persistens +Refuge orach  +
Atriplex parishii var. subtilis +Subtle orach  +
Atriplex parryi +Parry’s saltbush  +
Atriplex patula +Spear orach  +, spearscal e  +
Atriplex pentandra +Seas hore orach  +
Atriplex phyllostegia +Truckee orach  +
Atriplex pleiantha +Four-corners orach  +
Atriplex polycarpa +Desert saltbush  +, cattle-spinach  +
Atriplex powellii +Powell’s orach  +
Atriplex powellii var. minuticarpa +Smallbract orach  +
Atriplex prostrata +Thinleaf orach  +, fat-hen  +
Atriplex pusilla +Dwarf orach  +
Atriplex rosea +Tumbling orach  +
Atriplex saccaria +Stalked orach  +
Atriplex saccaria var. asterocarpa +Starbract orach  +
Atriplex saccaria var. cornuta +Flat-horn orach  +
Atriplex semibaccata +Creeping saltbush  +, berry saltbush  +
Atriplex serenana +Stinking orach  +, bracteate orach  +
Atriplex serenana var. davidsonii +Davidson’s orach  +
Atriplex spinifera +Spiny saltbush  +
Atriplex suberecta +Sprawling saltbush  +
Atriplex suckleyi +Suckley’s orach  +
Atriplex tatarica +Tatarian orach  +
Atriplex torreyi +Torrey’s saltbush  +
Atriplex torreyi var. griffithsii +Griffiths’ saltbush  +
Atriplex truncata +Wedge orach  +
Atriplex tularensis +Tulare orach  +
Atriplex watsonii +Watson’s orach  +
Atriplex wolfii +Slender orach  +
Atriplex wolfii var. wolfii +Wolf’s orach  +
Atriplex wrightii +Wright’s orach  +
Aucuba japonica +Aucuba  +, Japanese-laurel  +, spotted-laurel  +
Aureolaria +Yellow false foxglove  +
Aureolaria flava +Smooth yellow false foxglove  +
Aureolaria grandiflora +Large-flower yellow false foxglove  +
Aureolaria levigata +Entire-leaf yellow false foxglove  +
Aureolaria patula +Spreading yellow false foxglove  +
Aureolaria pectinata +Combleaf yellow false foxglove  +
Aureolaria pedicularia +Fernleaf yellow false foxglove  +
Aureolaria virginica +Downy yellow false foxglove  +
Aurinia +Goldentuft  +, rock-alyssum  +
Aurinia saxatilis +Basket-of-gold  +, gold-dust  +, rock-madwort  +
Austrostipa elegantissima +Australian feathergrass  +
Austrostipa ramosissima +Pillar-of-smoke  +, Australian plumegrass  +, Stout bamboograss  +
Avena barbata +Slender oats  +, Slender wild oats  +
Avena fatua +Wild oats  +, Folle avoine  +
Avena occidentalis +Western oats  +
Avena sativa +Oats  +, Cultivated oats  +, Naked oats  +,
Avena sterilis +Animated oats  +, Avoine sterile  +
Avenula hookeri +Spike oatgrass  +
Avenula pubescens +Downy alpine oatgrass  +
Axonopus compressus +Broadleaf carpetgrass  +
Axonopus fissifolius +Common carpetgrass  +
Axonopus furcatus +Big carpetgrass  +
Axonopus scoparius +Carpetgrass  +
Axyris +Russian pigweed  +
Axyris amaranthoides +Upright axyris  +
Ayenia compacta +California ayenia  +
Ayenia euphrasiifolia +Dwarf or eyebright ayenia  +
Ayenia filiformis +Trans-Pecos ayenia  +
Ayenia limitaris +Texas or Rio Grande ayenia  +, Tamaulipan kidney petal  +, kidney petal  +
Ayenia microphylla +Dense or little-leaf ayenia  +
Ayenia pilosa +Dwarf ayenia  +
Azollaceae +Azolla Family  +
B
Baccharis +Groundsel-tree  +
Baccharis angustifolia +Saltwater false willow  +, narrowleaf baccharis  +
Baccharis bigelovii +Bigelow’s false willow  +
Baccharis brachyphylla +Shortleaf baccharis or false willow  +
Baccharis dioica +Broombush falsewillow  +
Baccharis douglasii +Saltmarsh baccharis  +, Douglas’s falsewillow  +
Baccharis glomeruliflora +Silverling  +
Baccharis halimifolia +Sea-myrtle  +, consumption-weed  +, eastern baccharis  +
Baccharis havardii +Havard’s false willow  +
Baccharis malibuensis +Malibu baccharis or coyote brush  +
Baccharis neglecta +Roosevelt or New Deal weed  +, linear-leaved false willow  +
Baccharis pilularis +Chaparral broom  +, coyote brush  +, dwarf chaparral false willow  +
Baccharis plummerae subsp. glabrata +San Simeon or smooth baccharis  +
Baccharis plummerae subsp. plummerae +Plummer’s baccharis  +
Baccharis pteronioides +Yerba de pasmo  +
Baccharis salicifolia +Mule’s or mule fat  +, seepwillow  +, water wally  +
Baccharis salicina +Willow-baccharis  +, Great Plains false willow  +
Baccharis sarothroides +Greasewood  +, rosin-brush  +, groundsel  +,
Baccharis sergiloides +Desert baccharis  +, squaw false willow  +
Baccharis texana +Prairie baccharis or false willow  +
Baccharis thesioides +Arizona baccharis  +
Baccharis vanessae +Encinitas false willow or baccharis  +
Baccharis wrightii +Wright’s baccharis or false willow  +
Bacopa +Water-hyssop  +
Bacopa caroliniana +Blue water-hyssop  +, lemon bacopa  +
Bacopa egensis +Brazilian water-hyssop  +
Bacopa eisenii +Western hydranthele  +, Gila River water-hyssop  +
Bacopa innominata +Tropical water-hyssop  +
Bacopa monnieri +Brahmi  +, Indian pennywort  +, herb of grace  +
Bacopa repens +Creeping water-hyssop  +
Bacopa rotundifolia +Round leaf water-hyssop  +
Bahiopsis laciniata +San Diego sunflower  +, San Diego County viguiera  +
Bahiopsis reticulata +Death Valley goldeneye  +
Baileya multiradiata +Desert marigold  +
Balsamorhiza +Balsamroot  +
Bambusa bambos +Giant thorny bamboo  +
Bambusa oldhamii +Oldham's bamboo  +
Bambusa vulgaris +Common bamboo  +
Barbarea +Wintercress  +, scurvygrass  +, rocket  +,
Barbarea verna +Early winter or Belle Isle or American or land cress  +, scurvygrass  +
Barbarea vulgaris +Cress  +, yellow-rocket  +, cressy-greens  +
Barkleyanthus +Jarilla  +
Bartsia alpina +Velvet bells  +, alpine bartsia  +, tornarsup-narsue  +,
Basellaceae +Tandon  +, Madeira-vine Family  +
Basiphyllaea corallicola +Carter’s orchid  +
Bataceae +Saltwort Family  +
Batesimalva +Bates’s mallow  +
Batis +Saltwort  +
Batis maritima +Vidrillos  +
Bebbia +Sweetbush  +
Beckmannia syzigachne +American sloughgrass  +, Beckmannie à écailles unies  +
Begonia cucullata +Wax begonia  +
Begonia hirtella +Brazilian begonia  +
Bejaria +Rose of the Andes  +
Bejaria racemosa +Tar-flower  +, fly-catcher  +, fly-weed  +
Belamcanda +Blackberry-lily  +
Bellardia +Lineseed  +
Bellardia latifolia +Broadleaf glandweed or parentucellia  +
Bellardia trixago +Mediterranean lineseed  +
Bellardia viscosa +Yellow glandweed or parentucellia or bartsia  +, sticky parentucellia  +
Bellis +Daisy  +, pâquerette  +
Bellis perennis +English daisy  +, pâquerette commune  +
Berberidaceae +Barberry Family  +
Berberis +Barberry  +, Oregon-grape  +, berbéris  +,
Berberis aquifolium +Oregon-grape  +
Berberis haematocarpa +Algerita  +
Berberis thunbergii +Japanese barberry  +
Berberis trifoliolata +Algerita  +, agarito  +, currant-of-Texas  +,
Berberis vulgaris +Common barberry  +, épine-vinette  +, berbéris vulgaire  +
Berchemia +Rattan  +
Berchemia scandens +Alabama supplejack  +, American rattan  +
Bergerocactus +Snakecactus  +
Bergerocactus emoryi +Golden clubcactus  +, golden cereus  +, golden snakecactus  +
Bergia +Water-fire  +
Bergia texana +Texas water-fire  +
Berlandiera lyrata +Chocolate flower  +
Berlandiera subacaulis +Green eyes  +, Florida-dandelion  +
Bernardia +Myrtlecroton  +, oreja de raton  +
Berteroa +Hoary-alyssum  +
Beta +Beet  +, chard  +
Beta vulgaris subsp. maritima +Sea beet  +
Beta vulgaris subsp. vulgaris +Spinach chard  +, Swiss cha rd  +, mangel-wurzel  +,
Betula +Birch  +
Betula alleghaniensis +Yellow birch  +, merisier  +, bouleau jaune  +
Betula cordifolia +Heartleaf birch  +, mountain white birch  +, bouleau &agrave  +,
Betula glandulosa +Dwarf birch  +, resin birch  +, bouleau glanduleux  +
Betula kenaica +Kenai birch  +
Betula lenta +Sweet birch  +, cherry birch  +
Betula michauxii +Newfoundland dwarf birch  +, Michaux's birch  +, bouleau de Michaux  +
Betula minor +Dwarf birch  +, bouleau mineur  +
Betula murrayana +Murray's birch  +
Betula nana +Arctic dwarf birch  +, bouleau nain  +
Betula nana subsp. exilis +Arctic dwarf birch  +
Betula nana subsp. nana +Arctic dwarf birch  +
Betula neoalaskana +Resin birch  +, paper birch  +
Betula nigra +River birch  +, red birch  +
Betula occidentalis +Water birch  +, river birch  +
Betula papyrifera +Paper birch  +, canoe birch  +, white birch  +,
Betula pendula +Weeping birch  +, European white birch  +, silver birch  +,
Betula populifolia +Gray birch  +, white birch  +, fire birch  +,
Betula pubescens subsp. pubescens +European white birch  +, downy birch  +
Betula pumila +Bog birch  +, dwarf birch  +, bouleau nain  +
Betula uber +Virginia roundleaf birch  +
Betulaceae +Birch Family  +
Bidens +Beggar-ticks  +, bident  +, fourchette  +
Bidens beckii +Bident de Beck  +
Bidens cernua +Bident penché  +
Bidens connata +Bident conné  +
Bidens discoidea +Bident discoïde  +
Bidens eatonii +Bident d’Eaton  +
Bidens frondosa +Bident feuillu  +
Bidens heterodoxa +Bident différent  +
Bidens hyperborea +Bident hyperboréal  +
Bidens pilosa +Bident poilu  +
Bidens tripartita +Bident à trois divisions  +
Bidens vulgata +Bident vulgaire  +
Bigelowia +Rayless-goldenrod  +
Bigelowia nudata +Pineland rayless-goldenrod  +
Bigelowia nuttallii +Nuttall’s rayless-goldenrod  +
Billieturnera helleri +Copper sida  +
Bischofia +Bishopwood  +, javawood  +, toog  +
Bistorta +Bistort  +
Bistorta bistortoides +Western or American bistort  +, smokeweed  +
Bistorta officinalis +European bistort  +
Bistorta vivipara +Alpine bistort  +
Blechnaceae +Chain Fern Family  +
Blechnum +Deer ferns  +
Blechnum occidentale var. minor +Hammock fern  +, New World midsorus fern  +
Blechnum serrulatum +Swamp fern  +, marsh fern  +, dentate midsorus fern  +
Blechnum spicant +Deer fern  +
Blepharidachne bigelovii +Bigelow’s desertgrass  +
Blepharidachne kingii +King’s eyelash grass  +
Blepharoneuron tricholepis +Hairy dropseed  +
Bletia patula +Haitian pine-pink  +
Bletia purpurea +Pine-pink  +, purple bletia  +, sharp-petaled bletia  +
Bloomeria +Golden star  +
Bloomeria clevelandii +San Diego golden star  +
Bloomeria crocea +Common golden star  +
Bloomeria crocea var. montana +Mountain golden star  +, inland golden star  +
Bloomeria humilis +Dwarf golden star  +
Blutaparon +Silverhead  +
Blutaparon vermiculare +Silverweed  +, saltweed  +, samphire  +
Blysmopsis +Blysmopsis  +
Blysmopsis rufa +Saltmarsh flat -sedge  +, red clubrush  +, blysmopsis roux  +,
Boehmeria +False-nettle  +
Boehmeria cylindrica +False-nettle  +
Boehmeria nivea +Ramie  +
Boerhavia +Spiderling  +
Boerhavia coccinea +Red spiderling  +, scarlet spiderling  +, hierba del cancer  +,
Boerhavia diffusa +Spreading hogweed  +, red spiderling  +
Boerhavia erecta +Erect spiderling  +
Boerhavia gracillima +Slimstalk spiderling  +
Bolboschoenus +Tuberous bulrush  +
Bolboschoenus fluviatilis +River bulrush  +, bolboschoenus fluviatile  +, scirpe fluviatile  +
Bolboschoenus maritimus +Salt-marsh bulrush  +, alkali bulrush  +, bayonet-grass  +,
Bolboschoenus maritimus subsp. paludosus +Bolboschoenus des marais salés  +, scirpe des marais salés  +
Bolboschoenus robustus +Seacoast bulrush  +
Boltonia +Doll’s-daisy  +
Boltonia apalachicolensis +Apalachicola doll’s-daisy  +
Boltonia asteroides +White doll’s-daisy  +, asterlike boltonia  +
Boltonia caroliniana +Carolina doll’s-daisy  +
Boltonia decurrens +Clasping-leaf doll’s-daisy  +, decurrent false aster  +
Boltonia diffusa +Smallhead doll’s-daisy  +
Bonellia macrocarpa +Cudjoe-wood  +
Bontia daphnoides +White alling  +
Borrichia +Sea oxeye daisy  +, seaside tansy or oxeye  +
Boschniakia +Ground-cone  +
Boschniakia rossica +Northern ground-cone  +, poque  +
Bothriochloa alta +Tall bluestem  +
Bothriochloa barbinodis +Cane bluestem  +
Bothriochloa bladhii +Australian bluestem  +
Bothriochloa edwardsiana +Merrills bluestem  +
Bothriochloa exaristata +Awnless bluestem  +
Bothriochloa hybrida +Hybrid bluestem  +
Bothriochloa laguroides +Silver bluestem  +
Bothriochloa longipaniculata +Longspike silver bluestem  +
Bothriochloa pertusa +Pitted bluestem  +
Bothriochloa springfieldii +Springfield bluestem  +
Bothriochloa wrightii +Wright's bluestem  +
Botrychium +Grapefern  +, moonwort  +, botryche  +
Botrychium acuminatum +Pointed moonwort  +
Botrychium ascendens +Upswept moonwort  +
Botrychium biternatum +Sparse-lobed grapefern  +, southern grapefern  +
Botrychium boreale +Northern moonwort  +
Botrychium campestre +Prairie moonwort  +, botryche champètre  +
Botrychium crenulatum +Dainty moonwort  +
Botrychium dissectum +Dissected grapefern  +, botryche découpé  +
Botrychium echo +Echo moonwort  +
Botrychium gallicomontanum +Frenchman's Bluff moonwort  +
Botrychium hesperium +Western moonwort  +
Botrychium jenmanii +Alabama grapefern  +
Botrychium lanceolatum +Triangle moonwort  +, botryche élancé  +
Botrychium lanceolatum subsp. angustisegmentum +Narrow triangle moonwort  +
Botrychium lunaria +Common moonwort  +, botryche lunaire  +
Botrychium lunarioides +Winter grapefern  +, prostrate grapefern  +
Botrychium matricariifolium +Daisy-leaf moonwort  +, botryche à feuille de matricaire  +
Botrychium minganense +Mingan moonwort  +, botryche de Mingan  +
Botrychium montanum +Western goblin  +
Botrychium mormo +Little goblin  +
Botrychium multifidum +Leather grapefern  +, botryche à feuille couchée  +
Botrychium oneidense +Blunt-lobed grapefern  +, botryche d'oneida  +
Botrychium pallidum +Pale moonwort  +, botryche pâle  +
Botrychium paradoxum +Paradox moonwort  +
Botrychium pedunculosum +Stalked moonwort  +
Botrychium pinnatum +Northwestern moonwort  +
Botrychium pseudopinnatum +False northwestern moonwort  +
Botrychium pumicola +Pumice moonwort  +
Botrychium rugulosum +St. Lawrence grapefern  +, botryche à limbe rugueux  +
Botrychium simplex +Least moonwort  +, botryche simple  +
Botrychium spathulatum +Spatulate moonwort  +, botryche à segments spatulés  +
Botrychium virginianum +Rattlesnake fern  +, common grapefern  +, botryche de virginie  +
Bouteloua aristidoides var. aristidoides +Needle grama  +
Bouteloua aristidoides var. arizonica +Arizona needle grama  +
Bouteloua barbata var. barbata +Sixweeks grama  +
Bouteloua barbata var. rothrockii +Rothrock's grama  +
Bouteloua breviseta +Gypsum grama  +
Bouteloua chondrosoides +Sprucetop grama  +
Bouteloua curtipendula +Sideoats grama  +
Bouteloua eludens +Elusive grama  +
Bouteloua eriopoda +Black grama  +
Bouteloua gracilis +Blue grama  +, Eyelash grass  +
Bouteloua hirsuta subsp. hirsuta +Hairy grama  +
Bouteloua hirsuta subsp. pectinata +Tall grama  +
Bouteloua kayi +Kay’s grama  +
Bouteloua parryi +Parry's grama  +
Bouteloua radicosa +Purple grama  +
Bouteloua ramosa +Chino grama  +
Bouteloua repens +Slender grama  +
Bouteloua rigidiseta +Texas grama  +
Bouteloua simplex +Mat grama  +
Bouteloua trifida +Red grama  +
Bouteloua uniflora +Neally's grama  +
Bouteloua warnockii +Warnock's grama  +
Boykinia aconitifolia +Brook saxifrage  +
Boykinia occidentalis +Coast boykinia  +
Boykinia richardsonii +Bear flower  +, Alaska boykinia  +
Brachyelytrum aristosum +Northern shorthusk  +
Brachyelytrum erectum +Southern shorthusk  +, Brachyelytrum dresse  +
Brachypodium distachyon +Purple falsebrome  +
Brachypodium phoenicoides +Thinleaf falsebrome  +
Brachypodium pinnatum +Heath falsebrome  +, Tor grass  +
Brachypodium rupestre +Tufted falsebrome  +
Brachypodium sylvaticum +Slender falsebrome  +
Brachystigma +Desert foxglove  +
Brachystigma wrightii +Arizona desert foxglove  +
Bradburia +Goldenaster  +
Bradburia pilosa +Soft goldenaster  +
Brandegea bigelovii +Desert starvine  +
Brasenia +Water-shield  +
Brasenia schreberi +Water-shield  +, purple wen-dock  +, brasénie de Schreber  +
Brassia +Spider orchid  +
Brassica +Cabbage  +, cole  +, mustard  +,
Brassica juncea +Chinese or brown or Indian or leaf mustard  +, mustard-greens  +
Brassica napus +Canola  +, oilseed rape  +, rape  +,
Brassica nigra +Black mustard  +
Brassica oleracea +Cabbage  +
Brassica rapa +Bird-rape  +, wild-rape  +, rapeseed  +,
Brassica tournefortii +Sahara mustard  +
Brassicaceae +Mustard Family  +
Breynia +Snowbush  +
Brickelliastrum fendleri +Fendler’s Brickellbush  +
Brintonia discoidea +Rayless mock goldenrod  +
Briza maxima +Big quakinggrass  +
Briza media +Perennial quakinggrass  +, Amourette commune  +, Amour du vent  +
Briza minor +Little quakinggrass  +
Brodiaea +Cluster-lily  +
Brodiaea coronaria subsp. rosea +Indian valley brodiaea  +
Brodiaea elegans +Harvest brodiaea  +, elegant cluster-lily  +
Brodiaea insignis +Kaweah brodiaea  +
Brodiaea jolonensis +Mesa brodiaea  +, chaparral cluster-lily  +
Brodiaea kinkiensis +San Clemente Island brodiaea  +
Brodiaea minor +Dwarf brodiaea  +
Brodiaea orcuttii +Orcutt’s brodiaea  +
Brodiaea pallida +Chinese Camp brodiaea  +
Brodiaea purdyi +Purdy’s brodiaea  +, Sierran cluster-lily  +
Brodiaea stellaris +Star brodiaea  +, star-flower cluster-lily  +
Brodiaea terrestris +Dwarf brodiaea  +
Bromeliaceae +Bromeliad or Pineapple Family  +
Bromus aleutensis +Aleut brome  +
Bromus anomalus +Mexican brome  +
Bromus arenarius +Australian brome  +
Bromus arizonicus +Arizona brome  +
Bromus arvensis +Field brome  +
Bromus berteroanus +Chilean chess  +
Bromus briziformis +Rattlesnake brome  +
Bromus carinatus var. carinatus +California brome  +
Bromus carinatus var. marginatus +Mountain brome  +
Bromus catharticus +Rescue grass  +
Bromus ciliatus +Fringed brome  +, Brome cilie  +
Bromus commutatus +Meadow brome  +, Hairy chess  +
Bromus danthoniae +Three-awned brome  +
Bromus diandrus +Great brome  +, Ripgut grass  +
Bromus erectus +Meadow brome  +, Upright brome  +, Brome dresse  +
Bromus frondosus +Weeping brome  +
Bromus grandis +Tall brome  +
Bromus hallii +Hall's brome  +
Bromus hordeaceus +Lopgrass  +, Brome mou  +
Bromus inermis +Smooth brome  +, Hungarian brome  +, Brome inerme  +
Bromus japonicus +Australian brome  +
Bromus kalmii +Kalm's brome  +, Brome de kalm  +
Bromus laevipes +Chinook brome  +
Bromus lanatipes +Wooly brome  +
Bromus lanceolatus +Lanceolate brome  +
Bromus latiglumis +Hairy woodbrome  +, Flanged brome  +, Brome a larges glumes  +
Bromus lepidus +Scaly brome  +
Bromus madritensis +Compact brome  +
Bromus maritimus +Maritime brome  +
Bromus mucroglumis +Sharpglume brome  +
Bromus nottowayanus +Virginia brome  +
Bromus orcuttianus +Orcutt's brome  +
Bromus pacificus +Pacific brome  +
Bromus polyanthus +Colorado brome  +, Great-basin brome  +
Bromus porteri +Nodding brome  +
Bromus pseudolaevipes +Woodland brome  +
Bromus pubescens +Canada brome  +
Bromus pumpellianus +Arctic brome  +
Bromus racemosus +Smooth brome  +, Brome a grappes  +
Bromus ramosus +Hairy brome  +
Bromus richardsonii +Richardson's brome  +
Bromus riparius +Meadow brome  +
Bromus rubens +Foxtail chess  +, Red brome  +
Bromus scoparius +Broom brome  +
Bromus secalinus +Ryebrome  +, Brome des seigles  +
Bromus sitchensis +Sitka brome  +, Alaska brome  +
Bromus squarrosus +Squarrose brome  +
Bromus sterilis +Barren brome  +
Bromus suksdorfii +Suksdorf's brome  +
Bromus tectorum +Cheatgrass  +, Downy chess  +
Bromus texensis +Texas brome  +
Bromus vulgaris +Common brome  +
Brosimum +Breadnut  +
Brosimum alicastrum +Breadnut  +
Broussonetia +Paper-mulberry  +
Broussonetia papyrifera +Paper-mulberry  +
Brunnichia +American buckwheat-vine  +, ladies’-eardrops  +, eardrop vine  +,
Bryonia +Bryony  +
Bryonia alba +White bryony  +
Bryonia dioica +Cretan or red bryony  +, wild hop  +
Bryophyllum daigremontianum +Maternity plant  +, devil’s backbone  +
Bryophyllum delagoense +Chandelier plant  +, tingo tingo  +
Bryophyllum fedtschenkoi +Lavender scallops  +
Bryophyllum gastonis-bonnieri +Mananasilaitra  +
Bryophyllum pinnatum +Air or life or curtain or Mexican love plant  +, live or good-luck or miracle or sprouting leaf  +, floppers  +,
Buchloë dactyloides +Buffalograss  +
Buchnera +Bluehearts  +
Buchnera americana +American bluehearts  +
Buchnera floridana +Florida bluehearts  +
Buckleya distichophylla +Buckleya  +, pirate-bush  +
Buddleja +Butterfly bush  +
Buddleja davidii +Summer-lilac  +
Buddleja indica +Oak-leaved butterfly bush  +, parlor-oak  +
Buddleja lindleyana +Lindley’s butterfly bush  +
Buddleja madagascariensis +Smoke bush  +
Buddleja marrubiifolia +Woolly butterfly bush  +
Buddleja racemosa +Wand butterfly bush  +
Buddleja saligna +Squarestem butterfly bush  +
Buddleja scordioides +Escobilla butterfly bush  +
Buddleja sessiliflora +Rio Grande butterfly bush  +
Buddleja utahensis +Panamint or Utah butterfly bush  +
Bulbophyllum pachyrachis +Rat-tail orchid  +
Bulbostylis +Bulbostyle  +
Bulbostylis capillaris +Bulbostyle capillaire  +
Bunias +Hill-mustard  +
Bunias orientalis +Turkish rocket  +
Burmanniaceae +Burmannia Family  +
Butomaceae +Flowering- Rrush Family  +
Butomus +Flowering-rush  +
Byrsonima lucida +Locustberry  +
C
Cabomba +Fanwort  +
Cabomba caroliniana +Fanwort  +
Cabombaceae +Water-shield Family  +
Cactaceae +Cactus Family  +
Cakile +Sea-rockets  +
Calamagrostis bolanderi +Bolander's reedgrass  +
Calamagrostis breweri +Shorthair reedgrass  +
Calamagrostis cainii +Cain's reedgrass  +
Calamagrostis canadensis +Bluejoint  +, Calamagrostide du canada  +
Calamagrostis canadensis var. macouniana +Macoun's reedgrass  +
Calamagrostis cinnoides +Small reedgrass  +
Calamagrostis deschampsioides +Circumpolar reedgrass  +, Calamagrostide fausse-deschampsie  +
Calamagrostis epigejos +Bushgrass  +, Chee reedgrass  +, Feathertop  +,
Calamagrostis foliosa +Leafy reedgrass  +
Calamagrostis howellii +Hovell's reedgrass  +
Calamagrostis koelerioides +Dense-pine reedgrass  +
Calamagrostis lapponica +Lapland reedgrass  +, Calamagrostide de lapponie  +
Calamagrostis montanensis +Plains reedgrass  +
Calamagrostis muiriana +Mum's reedgrass  +
Calamagrostis nutkaensis +Pacific reedgrass  +
Calamagrostis ophitidis +Serpentine reedgrass  +
Calamagrostis perplexa +Wood reedgrass  +
Calamagrostis pickeringii +Pickering's reed bentgrass  +, Calamagrostide de pickering  +
Calamagrostis porteri +Porter's reedgrass  +
Calamagrostis porteri subsp. insperata +Bartley's reedgrass  +
Calamagrostis purpurascens +Purple reedgrass  +, Calamagrostide pourpre  +
Calamagrostis rubescens +Pinegrass  +, Pine reedgrass  +
Calamagrostis scopulorum +Jones' reedgrass  +, Ditch reedgrass  +
Calamagrostis sesquiflora +One-and-a-half-flowered reedgrass  +
Calamagrostis stricta +Slimstem reedgrass  +
Calamagrostis stricta subsp. inexpansa +Northern reedgrass  +, Calamagrostide contractee  +
Calamagrostis stricta subsp. stricta +Calamagrostide dressee  +
Calamagrostis tacomensis +Rainier reedgrass  +
Calamagrostis tweedyi +Cascade reedgrass  +, Tweedy's reedgrass  +
Calamagrostis ×acutiflora +Foerster's reedgrass  +, Feather reedgrass  +
Calamovilfa arcuata +Cumberland sandreed  +
Calamovilfa brevipilis +Pine-barren sandreed  +
Calamovilfa curtissii +Florida sandreed  +
Calamovilfa gigantea +Giant sandreed  +
Calamovilfa longifolia +Prairie sandreed  +
Calandrinia ciliata +Red maids  +
Calendula +Pot marigold  +
Calla +Water arum arum  +, wild calla  +
Calla palustris +Water arum  +, wild calla  +
Callirhoë +Poppy mallow  +, wine cup  +, wild hollyhock  +
Callirhoë alcaeoides +Light or pale or plains poppy mallow  +, plains wine cup  +
Callirhoë bushii +Bush’s poppy mallow  +
Callirhoë digitata +Fringed or finger poppy mallow  +, finger wine cup  +
Callirhoë involucrata var. lineariloba +Cowboy rose  +
Callirhoë leiocarpa +Annual or tall wine cup  +, tall poppy mallow  +
Callirhoë papaver +Woods poppy mallow  +
Callirhoë scabriuscula +Texas poppy mallow  +
Callirhoë triangulata +Clustered or purple poppy mallow  +, sand poppy  +, triangular-leaf mallow  +
Callitriche +Water-starwort  +
Callitriche brutia var. hamulata +Narrowleaf water-starwort  +
Callitriche fassettii +Fassett’s water-starwort  +
Callitriche hermaphroditica +Autumnal or northern water-starwort  +, callitriche hermaphrodiate  +
Callitriche longipedunculata +Longstock water-starwort  +
Callitriche marginata +Winged water-starwort  +
Callitriche palustris +Vernal water-starwort  +, callitriche des marais  +
Callitriche pedunculosa +Nuttall’s water-starwort  +
Callitriche stagnalis +Pond water-starwort  +, callitriche des eau× stagnantes  +
Callitriche terrestris +Terrestrial water-starwort  +
Callitriche trochlearis +Effluent water-starwort  +
Callitris +Cypress-pine  +
Callitris glaucophylla +White cypress-pine  +
Calluna +Heather  +, Scotch heather  +, ling  +,
Calocedrus decurrens +Incense-cedar  +, cedro incienso  +
Calochortus albus +White globe-lily  +, fairy lantern  +
Calochortus amabilis +Diogenes’ lantern  +
Calochortus catalinae +Catalina mariposa-lily  +
Calochortus clavatus var. avius +Pleasant Valley mariposa-lily  +
Calochortus clavatus var. gracilis +Slender mariposa-lily  +
Calochortus clavatus var. recurvifolius +Arroyo de la Cruz mariposa-lily  +
Calochortus coeruleus +Beavertail-grass  +
Calochortus concolor +Goldenbowl mariposa-lily  +
Calochortus coxii +Cox’s mariposa-lily  +
Calochortus dunnii +Dunn’s mariposa-lily  +
Calochortus elegans +Cat’s ear  +
Calochortus excavatus +Inyo County star-tulip  +
Calochortus greenei +Greene’s mariposa-lily  +
Calochortus longebarbatus +Long-haired star- tulip  +
Calochortus monanthus +Single-flowered mariposa-lily  +
Calochortus monophyllus +Yellow star- tulip  +
Calochortus nudus +Shasta star-tulip  +
Calochortus nuttallii +Sego-lily  +
Calochortus obispoensis +San Luis mariposa-lily  +
Calochortus palmeri var. munzii +Munz’s mariposa-lily  +
Calochortus palmeri var. palmeri +Palmer’s mariposa-lily  +
Calochortus panamintensis +Panamint mariposa-lily  +
Calochortus persistens +Siskiyou mariposa-lily  +
Calochortus plummerae +Plummer’s mariposa-lily  +
Calochortus pulchellus +Mount Diablo fairy lantern  +
Calochortus raichei +Cedars fairy lantern  +
Calochortus simulans +San Luis Obispo mariposa-lily  +
Calochortus striatus +Alkali mariposa-lily  +
Calochortus tiburonensis +Tiburon mariposa-lily  +
Calochortus tolmiei +Pussy ears  +
Calochortus umbellatus +Oakland star-tulip  +
Calochortus umpquaensis +Umpqua mariposa-lily  +
Calochortus uniflorus +Large-flowered star-tulip  +
Calochortus westonii +Shirley Meadows star-tulip  +, mariposa-lily  +
Calophyllum +Alexandrian laurel  +
Calophyllum inophyllum +Mastwood  +
Calopogon +Grass pink  +, calopogon  +
Calopogon barbatus +Bearded grass-pink  +
Calopogon multiflorus +Many-flowered grass-pink  +
Calopogon pallidus +Pale grass-pink  +
Calopogon tuberosus var. tuberosus +Calopogon tubéreux  +
Caltha +Marsh-marigold  +, populage  +
Caltha palustris +Cowslip  +, cowflock  +, kingcup  +,
Calycanthaceae +Strawberry Shrub Family  +
Calycanthus +Strawberry-shrub  +, sweetshrub  +, spicebush  +
Calycanthus floridus +Carolina-allspice  +, sweetshrub  +
Calycanthus occidentalis +California spicebush  +, sweetshrub  +
Calycocarpum +Cupseed  +
Calycocarpum lyonii +Cupseed  +
Calycoseris +Tack-stem  +
Calycoseris parryi +Yellow tack-stem  +
Calycoseris wrightii +White tack-stem  +
Calydorea coelestina +Celestial-lily  +, Bartram’s ixia  +
Calypso +Calypso  +, fairy-slipper  +
Camassia +Camas  +, quamash  +
Camassia angusta +Prairie camas  +
Camassia cusickii +Cusick camas  +
Camassia howellii +Howell camas  +
Camassia scilloides +Eastern camas  +, wild hyacinth  +
Camelina +Flaxweed  +, false-flax  +, gold-of-pleasure  +
Campylocentrum pachyrrhizum +Leafless bentspur orchid  +
Campyloneurum +Strap ferns  +
Campyloneurum angustifolium +Narrow strap fern  +
Campyloneurum costatum +Tailed strap fern  +
Campyloneurum latum +Wide strap fern  +
Campyloneurum phyllitidis +Long strap fern  +
Canadanthus +Aster  +
Canadanthus modestus +Great northern or western bog aster  +, aster modeste  +
Canbya +Pygmy-poppy  +
Canbya aurea +Yellow pygmy-poppy  +
Canbya candida +White pygmy-poppy  +
Canella +Canella or wild-cinnamon  +, Latin canella  +, cinnamon  +,
Canella winterana +Canella  +, wild-cinnamon  +, cinnamon-bark  +
Canellaceae +Canella or Wild-Cinnamon Family  +
Canna flaccida +Golden canna  +, bandana-of-the-everglades  +
Canna glauca +Louisiana canna  +
Canna indica +Indian-shot  +, platanillo  +
Cannabaceae +Hemp Family  +
Cannabis +Hemp  +, Indian hemp  +, marijuana  +,
Cannabis sativa +Hemp  +, marihuana (marijuana)  +, pot  +,
Cannaceae +Canna Family  +
Canotia holacantha +Crucifixion thorn  +
Caperonia +False croton  +
Caperonia castaneifolia +Chestnutleaf false croton  +
Caperonia palustris +Sacatrapo  +, Texasweed  +
Capparaceae +Caper Family  +
Capraria +Goat’s head  +
Capsella +Shepherd’s-purse  +
Cardamine +Bittercress  +
Cardionema +Sandcarpet  +
Carduus +Plumeless thistle  +, chardon  +
Carduus acanthoides +Plumeless or welted thistle  +, chardon épineux  +
Carduus crispus +Welted or curled thistle  +, chardon crépu  +
Carduus nutans +Musk or nodding thistle  +, chardon penché  +
Carduus pycnocephalus +Italian thistle  +
Carduus tenuiflorus +Slender-flowered thistle  +
Carex +Carex  +, laîche  +
Carex adelostoma +Carex à bec obscur  +
Carex adusta +Carex brûlé  +
Carex aestivalis +Summer sedge  +
Carex albida +White sedge  +
Carex albursina +Carex du lac à l’Ours-Blanc  +
Carex alopecoidea +Carex alopécoïde  +
Carex annectens +Carex à gaine tronguée  +
Carex appalachica +Carex des Appalaches  +
Carex aquatilis var. aquatilis +Carex aquatique  +
Carex aquatilis var. substricta +Carex subétroit  +
Carex arcta +Carex dru  +
Carex arctata +Drooping woodland sedge  +, carex comprimé  +
Carex argyrantha +Silvery-flowered sedge  +, carex argenté  +
Carex assiniboinensis +Assiniboia sedge  +
Carex atherodes +Carex épi-de-blé  +
Carex atlantica subsp. capillacea +Carex atlantique  +
Carex atratiformis +Carex atratiforme  +
Carex atrofusca +Carex brun foncé  +
Carex aurea +Carex doré  +
Carex backii +Back’s sedge  +, carex de Back  +
Carex baileyi +Carex de Bailey  +
Carex bebbii +Carex de Bebb  +
Carex bicolor +Carex bicolore  +
Carex bigelowii subsp. bigelowii +Carex de Bigelow  +
Carex blanda +Carex lisse  +
Carex brevior +Carex à têtes  +
Carex brunnescens subsp. sphaerostachya +Carex à épis globulaires  +
Carex buxbaumii +Carex de Buxbaum  +
Carex canescens subsp. canescens +Carex blanchâtre  +
Carex canescens subsp. disjuncta +Carex disjoint  +
Carex capillaris +Carex capillaire  +
Carex capitata +Carex capité  +
Carex castanea +Chestnut sedge  +, carex châtain  +
Carex cephaloidea +Carex céphaloïde  +
Carex cephalophora +