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Revision as of 17:20, 2 November 2020



 Whole organism growth formTaxon rankSpecial status
Abies amabilistreespeciesEndemic
Abies balsameatreespeciesIllustrated
Endemic
Abies bifoliatreespeciesEndemic
Abies bracteatatreespeciesEndemic
Conservation concern
Abies concolortreespeciesIllustrated
Abies fraseritreespeciesEndemic
Conservation concern
Abies grandistreespeciesIllustrated
Endemic
Abies lasiocarpatreespeciesEndemic
Abies lowianatreespeciesEndemic
Abies magnificatreespeciesEndemic
Abies proceratreespeciesEndemic
Acrocomia totaiplant
shrub
tree
speciesIntroduced
Illustrated
Acroptilon repenstree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Alnus glutinosatreespeciesW1
Alnus incanashrub
tree
species
Alnus maritimatree
shrub
speciesEndemic
Illustrated
Alnus oblongifoliatreespecies
Alnus rhombifoliatreespeciesEndemic
Alnus rubratreespeciesW1
Endemic
Illustrated
Alvaradoa amorphoidestree
shrub
speciesIllustrated
Amberboa moschatatree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Amelanchier arboreatree
shrub
speciesEndemic
Amelanchier interiortree
shrub
speciesEndemic
Amelanchier intermediatree
shrub
speciesEndemic
Amelanchier laevistree
shrub
speciesEndemic
Illustrated
Amelanchier sanguineatree
shrub
speciesEndemic
Illustrated
Annona glabratree
shrub
speciesIllustrated
Annona squamosatree
shrub
speciesIntroduced
Aphanostephus pilosustree
shrub
subshrub
speciesEndemic
Aphanostephus ramosissimustree
shrub
subshrub
speciesIllustrated
Aphanostephus riddelliitree
shrub
subshrub
species
Aphanostephus skirrhobasistree
shrub
subshrub
species
Arbutus arizonicatreespecies
Arbutus menziesiitree
shrub
speciesIllustrated
Endemic
Arbutus xalapensistree
shrub
species
Arctostaphylos andersoniitree
shrub
speciesEndemic
Conservation concern
Arctostaphylos catalinaetree
shrub
speciesEndemic
Conservation concern
Arctostaphylos columbianatree
shrub
speciesIllustrated
Endemic
Arctostaphylos gabilanensistree
shrub
species
Arctostaphylos glaucatree
mound-forming
shrub
speciesIllustrated
Arctostaphylos hooveritree
shrub
speciesEndemic
Conservation concern
Arctostaphylos lucianatree
shrub
speciesEndemic
Conservation concern
Arctostaphylos manzanitatree
shrub
speciesEndemic
Arctostaphylos nortensistree
shrub
speciesEndemic
Conservation concern
Arctostaphylos obispoensistree
shrub
speciesEndemic
Arctostaphylos regismontanatree
shrub
speciesEndemic
Conservation concern
Arctotis fastuosatree
vine
shrub
subshrub
speciesIntroduced
Arctotis stoechadifoliatree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Ardisia escallonioidestree
subshrub
speciesWeedy
Introduced
Asimina obovatatree
shrub
speciesEndemic
Illustrated
Asimina parvifloratree
shrub
speciesEndemic
Asimina trilobatree
shrub
speciesW1
Endemic
Illustrated
Aster alpinustree
shrub
subshrub
speciesIllustrated
Astranthium ciliatumtree
shrub
subshrub
speciesIllustrated
Astranthium integrifoliumtree
shrub
subshrub
speciesEndemic
Astranthium robustumtree
shrub
subshrub
speciesEndemic
Atamisquea emarginatatree
shrub
speciesIllustrated
Baccharis glutinosatree
shrub
subshrub
species
Baccharis halimifoliatree
shrub
speciesIllustrated
Bellis perennistree
shrub
subshrub
speciesIntroduced
Illustrated
Benitoa occidentalistree
shrub
subshrub
speciesIllustrated
Endemic
Betula alleghaniensistreespeciesEndemic
Illustrated
Betula cordifoliatree
shrub
speciesEndemic
Betula kenaicatreespeciesEndemic
Betula lentatreespeciesEndemic
Betula murrayanatreespeciesConservation concern
Endemic
Betula neoalaskanatreespeciesEndemic
Betula nigratreespeciesW1
Endemic
Illustrated
Betula papyriferatreespeciesEndemic
Illustrated
Betula pendulatreespecies
Betula populifoliatreespeciesW1
Endemic
Illustrated
Betula pubescensshrub
tree
species
Betula ubertreespeciesConservation concern
Endemic
Bischofia javanicatreespeciesIntroduced
Illustrated
Blennosperma bakerivine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Blennosperma nanumvine
tree
shrub
subshrub
speciesIllustrated
Endemic
Bonellia macrocarpatree
shrub
species
Bradburia hirtellatree
shrub
subshrub
speciesEndemic
Bradburia pilosatree
shrub
subshrub
speciesIllustrated
Endemic
Brintonia discoideatree
shrub
subshrub
speciesIllustrated
Endemic
Brosimum alicastrumtreespeciesIllustrated
Introduced
Broussonetia papyriferatreespeciesW1
Illustrated
Introduced
Buddleja salignatree
shrub
speciesIntroduced
Buddleja sessilifloratree
shrub
species
Byrsonima lucidatree
shrub
speciesIllustrated
Cacaliopsis nardosmiavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Calendula arvensistree
shrub
speciesIntroduced
Calendula officinalistree
shrub
speciesIntroduced
Illustrated
Callitris glaucophyllatree
shrub
speciesIntroduced
Illustrated
Calocedrus decurrenstreespeciesIllustrated
Calophyllum inophyllumtreespeciesIllustrated
Introduced
Canella winteranatreespeciesIllustrated
Canotia holacanthatree
shrub
speciesIllustrated
Carduus acanthoidestree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Carduus crispustree
vine
shrub
subshrub
speciesIntroduced
Carduus nutanstree
vine
shrub
subshrub
speciesIntroduced
Carduus pycnocephalustree
vine
shrub
subshrub
speciesIntroduced
Carduus tenuiflorustree
vine
shrub
subshrub
speciesIntroduced
Carlina vulgaristree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Carnegiea giganteatreespeciesIllustrated
Carpinus carolinianatreespeciesIllustrated
Endemic
Carya aquaticatreespeciesEndemic
Illustrated
Carya cordiformistreespeciesEndemic
Illustrated
Carya floridanashrub
tree
speciesEndemic
Carya glabratreespeciesW1
Endemic
Carya illinoinensistreespecies
Carya laciniosatreespeciesEndemic
Carya myristiciformistreespecies
Carya ovatatreespeciesIllustrated
Carya pallidatreespeciesEndemic
Carya texanatreespeciesEndemic
Carya tomentosatreespeciesEndemic
Illustrated
Caryota mitisplant
shrub
tree
speciesIntroduced
Illustrated
Caryota urensplant
shrub
tree
speciesIntroduced
Castanea dentatatreespeciesEndemic
Castanea ozarkensisshrub
tree
speciesEndemic
Castanea pumilatree
shrub
speciesEndemic
Illustrated
Casuarina cunninghamianatreespeciesW1
Introduced
Illustrated
Casuarina equisetifoliatreespeciesW1
Introduced
Casuarina glaucatreespeciesW1
Illustrated
Introduced
Celtis laevigatatreespeciesIllustrated
Celtis lindheimeritreespeciesConservation concern
Celtis occidentalisshrub
tree
speciesIllustrated
Celtis reticulatashrub
tree
species
Celtis tenuifoliatree
shrub
speciesEndemic
Centaurea benedictatree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Centaurea calcitrapatree
vine
shrub
subshrub
speciesIntroduced
Centaurea cyanustree
vine
shrub
subshrub
speciesIntroduced
Centaurea depressatree
vine
shrub
subshrub
species
Centaurea diffusatree
vine
shrub
subshrub
speciesIntroduced
Centaurea dilutatree
vine
shrub
subshrub
speciesIntroduced
Centaurea ibericatree
vine
shrub
subshrub
speciesIntroduced
Centaurea jaceatree
vine
shrub
subshrub
speciesIntroduced
Centaurea macrocephalatree
vine
shrub
subshrub
speciesIntroduced
Centaurea melitensistree
vine
shrub
subshrub
speciesIntroduced
Centaurea montanatree
vine
shrub
subshrub
speciesIntroduced
Centaurea nigratree
vine
shrub
subshrub
speciesIntroduced
Centaurea nigrescenstree
vine
shrub
subshrub
speciesIntroduced
Centaurea phrygiatree
vine
shrub
subshrub
speciesIntroduced
Centaurea scabiosatree
vine
shrub
subshrub
speciesIntroduced
Centaurea solstitialistree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Centaurea stoebetree
vine
shrub
subshrub
species
Centaurea sulphureatree
vine
shrub
subshrub
speciesIntroduced
Centaurea virgatatree
vine
shrub
subshrub
speciesWeedy
Introduced
Centaurea ×moncktoniitree
vine
shrub
subshrub
species
Cercocarpus betuloidestree
shrub
speciesIllustrated
Cercocarpus ledifoliustree
shrub
species
Chaetopappa asteroidestree
shrub
subshrub
speciesIllustrated
Chaetopappa bellidifoliatree
shrub
subshrub
speciesEndemic
Chaetopappa bellioidestree
shrub
subshrub
species
Chaetopappa effusatree
shrub
subshrub
speciesEndemic
Chaetopappa ericoidestree
shrub
subshrub
speciesIllustrated
Chaetopappa hersheyitree
shrub
subshrub
speciesEndemic
Chaetopappa imberbistree
shrub
subshrub
speciesEndemic
Chaetopappa parryitree
shrub
subshrub
species
Chamaecyparis lawsonianatreespeciesEndemic
Chamaecyparis nootkatensistreespeciesEndemic
Chamaecyparis thyoidestreespeciesIllustrated
Endemic
Chrysanthemoides moniliferatree
shrub
speciesIntroduced
Illustrated
Chrysobalanus icacotree
shrub
speciesIllustrated
Chrysolepis chrysophyllashrub
tree
speciesEndemic
Chrysophyllum oliviformetreespeciesIllustrated
Cinnamomum camphoratreespeciesIllustrated
Introduced
Cirsium altissimumtree
vine
shrub
subshrub
speciesEndemic
Cirsium andersoniitree
vine
shrub
subshrub
speciesEndemic
Cirsium andrewsiitree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium arizonicumtree
vine
shrub
subshrub
speciesIllustrated
Cirsium arvensetree
vine
shrub
subshrub
speciesIntroduced
Cirsium barnebyitree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium brevifoliumtree
vine
shrub
subshrub
speciesEndemic
Cirsium brevistylumtree
vine
shrub
subshrub
speciesEndemic
Cirsium canescenstree
vine
shrub
subshrub
speciesEndemic
Cirsium carolinianumtree
vine
shrub
subshrub
speciesEndemic
Cirsium ciliolatumtree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium clavatumtree
vine
shrub
subshrub
speciesEndemic
Cirsium crassicauletree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium cymosumtree
vine
shrub
subshrub
speciesEndemic
Cirsium discolortree
vine
shrub
subshrub
speciesIllustrated
Endemic
Cirsium douglasiitree
vine
shrub
subshrub
speciesIllustrated
Endemic
Cirsium drummondiitree
vine
shrub
subshrub
speciesEndemic
Cirsium eatoniitree
vine
shrub
subshrub
speciesIllustrated
Endemic
Cirsium eduletree
vine
shrub
subshrub
speciesEndemic
Cirsium engelmanniitree
vine
shrub
subshrub
speciesEndemic
Cirsium flodmaniitree
vine
shrub
subshrub
speciesEndemic
Cirsium foliosumtree
vine
shrub
subshrub
speciesEndemic
Cirsium fontinaletree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium grahamiitree
vine
shrub
subshrub
species
Cirsium helenioidestree
vine
shrub
subshrub
speciesConservation concern
Cirsium hookerianumtree
vine
shrub
subshrub
speciesEndemic
Cirsium horridulumtree
vine
shrub
subshrub
speciesIllustrated
Cirsium hydrophilumtree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium inamoenumtree
vine
shrub
subshrub
speciesEndemic
Cirsium joannaetree
vine
shrub
subshrub
species
Cirsium kamtschaticumtree
vine
shrub
subshrub
species
Cirsium leconteitree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium longistylumtree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium mohavensetree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium muticumtree
vine
shrub
subshrub
speciesEndemic
Cirsium neomexicanumtree
vine
shrub
subshrub
species
Cirsium nuttalliitree
vine
shrub
subshrub
speciesEndemic
Cirsium occidentaletree
vine
shrub
subshrub
speciesIllustrated
Endemic
Cirsium ochrocentrumtree
vine
shrub
subshrub
species
Cirsium ownbeyitree
vine
shrub
subshrub
speciesEndemic
Cirsium palustretree
vine
shrub
subshrub
speciesIntroduced
Cirsium parryitree
vine
shrub
subshrub
speciesEndemic
Cirsium perplexanstree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium pitcheritree
vine
shrub
subshrub
speciesEndemic
Cirsium praeterienstree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium pulcherrimumtree
vine
shrub
subshrub
speciesEndemic
Cirsium pumilumtree
vine
shrub
subshrub
speciesEndemic
Cirsium quercetorumtree
vine
shrub
subshrub
speciesEndemic
Cirsium remotifoliumtree
vine
shrub
subshrub
speciesIllustrated
Endemic
Cirsium repandumtree
vine
shrub
subshrub
speciesEndemic
Cirsium rhothophilumtree
vine
shrub
subshrub
speciesEndemic
Conservation concern
Cirsium rydbergiitree
vine
shrub
subshrub
speciesEndemic
Cirsium scariosumtree
vine
shrub
subshrub
speciesIllustrated
Cirsium texanumtree
vine
shrub
subshrub
species
Cirsium tracyitree
vine
shrub
subshrub
speciesEndemic
Cirsium turneritree
vine
shrub
subshrub
species
Cirsium undulatumtree
vine
shrub
subshrub
species
Cirsium vinaceumtree
vine
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Cirsium virginianumtree
vine
shrub
subshrub
speciesEndemic
Cirsium vulgaretree
vine
shrub
subshrub
speciesIntroduced
Cirsium wheeleritree
vine
shrub
subshrub
species
Cirsium wrightiitree
vine
shrub
subshrub
species
Cocos nuciferaplant
shrub
tree
speciesIntroduced
Illustrated
Colubrina arborescenstree
shrub
species
Colubrina asiaticatree
shrub
speciesIntroduced
Colubrina cubensistree
shrub
species
Colubrina ellipticatree
shrub
species
Colubrina texensistree
shrub
speciesIllustrated
Endemic
Comarostaphylis diversifoliatree
shrub
speciesIllustrated
Condalia globosatree
shrub
species
Condalia hookeritree
shrub
speciesIllustrated
Consolea corallicolatreespeciesIllustrated
Endemic
Conservation concern
Cornus alternifoliatree
shrub
speciesEndemic
Cornus drummondiitree
shrub
speciesEndemic
Cornus floridatreespeciesWeedy
Illustrated
Cornus kousatreespeciesIntroduced
Cornus mastree
shrub
speciesIntroduced
Cornus nuttalliitree
shrub
speciesWeedy
Endemic
Cornus sessilistree
shrub
speciesIllustrated
Endemic
Corylus cornutatree
shrub
speciesIllustrated
Endemic
Cotoneaster crispiitree
shrub
speciesIntroduced
Cotoneaster frigidustree
shrub
speciesIntroduced
Cotoneaster gambleitree
shrub
speciesIntroduced
Cotoneaster lacteustree
shrub
speciesIntroduced
Cotoneaster monopyrenustree
shrub
speciesIntroduced
Cotoneaster salicifoliustree
shrub
speciesIntroduced
Cotoneaster transenstree
shrub
speciesIntroduced
Cotoneaster villosulustree
shrub
speciesIntroduced
Crataegus aemulatree
shrub
speciesEndemic
Crataegus aestivalistree
shrub
speciesEndemic
Crataegus alabamensistree
shrub
speciesEndemic
Crataegus annosatreespeciesEndemic
Crataegus attritatree
shrub
speciesEndemic
Crataegus berberifoliatree
shrub
speciesEndemic
Crataegus brachyacanthatree
shrub
speciesEndemic
Illustrated
Crataegus brainerdiitree
shrub
speciesEndemic
Crataegus brazoriatree
shrub
speciesConservation concern
Endemic
Crataegus buckleyitree
shrub
speciesEndemic
Crataegus calpodendrontree
shrub
speciesEndemic
Crataegus coccineatree
shrub
speciesEndemic
Crataegus coccinioidestree
shrub
speciesEndemic
Crataegus condignatree
shrub
speciesEndemic
Crataegus croceatree
shrub
speciesEndemic
Illustrated
Crataegus crus-gallitree
shrub
speciesEndemic
Crataegus cupressocollinatree
shrub
speciesEndemic
Illustrated
Crataegus dispartree
shrub
speciesEndemic
Crataegus dodgeitree
shrub
speciesEndemic
Illustrated
Crataegus egensplant
tree
shrub
speciesEndemic
Illustrated
Crataegus egregiatreespeciesEndemic
Crataegus enderbyensistree
shrub
speciesEndemic
Crataegus erythropodatree
shrub
speciesEndemic
Crataegus eximiatree
shrub
speciesConservation concern
Endemic
Crataegus fecundatreespeciesConservation concern
Endemic
Crataegus flabellatatree
shrub
speciesEndemic
Crataegus flavatree
shrub
speciesConservation concern
Endemic
Crataegus florenstree
shrub
speciesEndemic
Crataegus floriferatree
shrub
speciesEndemic
Crataegus fluviatilistree
shrub
speciesEndemic
Crataegus formosatree
shrub
speciesConservation concern
Endemic
Crataegus furtivatree
shrub
speciesEndemic
Crataegus gattingeritree
shrub
speciesEndemic
Crataegus gilvatree
shrub
speciesEndemic
Crataegus greggianatree
shrub
speciesConservation concern
Crataegus harbisoniitree
shrub
speciesConservation concern
Endemic
Crataegus holmesianatree
shrub
speciesEndemic
Crataegus incilistree
shrub
speciesEndemic
Crataegus integratree
shrub
speciesEndemic
Crataegus iracundatree
shrub
speciesEndemic
Crataegus jesupiitree
shrub
speciesConservation concern
Endemic
Crataegus jonesiaetree
shrub
speciesConservation concern
Endemic
Crataegus lacrimatatree
shrub
speciesEndemic
Crataegus laevigatatree
shrub
speciesIntroduced
Crataegus lanceitree
shrub
speciesEndemic
Crataegus lassatree
shrub
speciesEndemic
Illustrated
Crataegus leonensistreespeciesEndemic
Crataegus lumariatree
shrub
speciesEndemic
Crataegus macrospermatree
shrub
speciesEndemic
Crataegus magnifloratree
shrub
speciesEndemic
Crataegus marshalliitree
shrub
speciesEndemic
Crataegus mendosatree
shrub
speciesEndemic
Illustrated
Crataegus meridianatree
shrub
speciesEndemic
Crataegus mollistree
shrub
speciesEndemic
Illustrated
Crataegus monogynatree
shrub
speciesIntroduced
Crataegus nitidatreespeciesConservation concern
Endemic
Crataegus okennoniitree
shrub
speciesEndemic
Crataegus opacatreespeciesEndemic
Illustrated
Crataegus opimatree
shrub
speciesEndemic
Crataegus ouachitensistree
shrub
speciesConservation concern
Endemic
Crataegus padifoliatree
shrub
speciesConservation concern
Endemic
Crataegus pennsylvanicatree
shrub
speciesEndemic
Crataegus persimilistree
shrub
speciesEndemic
Crataegus phaenopyrumtreespeciesEndemic
Crataegus phippsiitree
shrub
speciesEndemic
Crataegus pinetorumtree
shrub
speciesEndemic
Crataegus populneatree
shrub
speciesEndemic
Crataegus pronatree
shrub
speciesEndemic
Crataegus pruinosatree
shrub
speciesEndemic
Illustrated
Crataegus punctatatree
shrub
speciesEndemic
Illustrated
Crataegus purpurellatree
shrub
speciesEndemic
Crataegus quaesitatree
shrub
speciesEndemic
Crataegus rivularistree
shrub
speciesEndemic
Illustrated
Crataegus rivuloadamensistree
shrub
speciesEndemic
Crataegus rivulopugnensistree
shrub
speciesEndemic
Crataegus roribaccatreespeciesConservation concern
Endemic
Crataegus sargentiitree
shrub
speciesEndemic
Crataegus schuetteitree
shrub
speciesEndemic
Illustrated
Crataegus segnistree
shrub
speciesEndemic
Crataegus sentatree
shrub
speciesEndemic
Crataegus spathulatatree
shrub
speciesIllustrated
Endemic
Crataegus spes-aestatumtree
shrub
speciesConservation concern
Endemic
Crataegus submollistree
shrub
speciesEndemic
Crataegus suborbiculatatree
shrub
speciesConservation concern
Endemic
Crataegus succulentatree
shrub
speciesEndemic
Crataegus tectatree
shrub
speciesEndemic
Crataegus terestree
shrub
speciesEndemic
Crataegus texanatree
shrub
speciesEndemic
Crataegus tracyitree
shrub
speciesEndemic
Crataegus turnerorumtree
shrub
speciesEndemic
Crataegus venustatree
shrub
speciesEndemic
Crataegus viridistree
shrub
speciesEndemic
Illustrated
Crataegus visendatree
shrub
speciesEndemic
Crataegus wattianatreespeciesIntroduced
Crataegus ×atrorubenstree
shrub
speciesEndemic
Crataegus ×bicknelliitree
shrub
speciesEndemic
Crataegus ×collicolatree
shrub
speciesEndemic
Crataegus ×dispermatree
shrub
speciesEndemic
Crataegus ×dispessatreespeciesEndemic
Crataegus ×fretalistree
shrub
speciesEndemic
Crataegus ×incaeduatree
shrub
speciesEndemic
Crataegus ×kelloggiitreespeciesEndemic
Crataegus ×latebrosatreespeciesEndemic
Crataegus ×lucorumtree
shrub
speciesEndemic
Crataegus ×rufulatree
shrub
speciesEndemic
Crocidium multicaulevine
tree
shrub
subshrub
speciesIllustrated
Endemic
Croptilon divaricatumtree
shrub
subshrub
speciesIllustrated
Endemic
Croptilon hookerianumtree
shrub
subshrub
speciesEndemic
Croptilon rigidifoliumtree
shrub
subshrub
species
Crossopetalum rhacomatree
shrub
species
Crossosoma californicumtree
shrub
speciesConservation concern
Cupressus arizonicatree
shrubby
species
Cupressus bakeritreespeciesIllustrated
Endemic
Conservation concern
Cupressus govenianatree
shrub
speciesEndemic
Cupressus guadalupensisshrub
tree
speciesConservation concern
Cupressus macnabianatree
shrubby
speciesIllustrated
Endemic
Cupressus macrocarpatreespeciesEndemic
Conservation concern
Cupressus sargentiitree
shrubby
speciesEndemic
Cydonia oblongatreespeciesIllustrated
Introduced
Cylindropuntia abyssishrub
tree
speciesEndemic
Cylindropuntia acanthocarpashrub
tree
speciesIllustrated
Cylindropuntia arbusculashrub
tree
species
Cylindropuntia bigeloviishrub
tree
speciesIllustrated
Cylindropuntia echinocarpashrub
tree
species
Cylindropuntia fulgidatreespeciesIllustrated
Cylindropuntia imbricatashrub
tree
speciesIllustrated
Cylindropuntia leptocaulistree
shrub
speciesIllustrated
Cylindropuntia munziishrub
arboreous
tree
species
Cylindropuntia proliferatree
shrub
species
Cylindropuntia ramosissimashrub
tree
speciesIllustrated
Cylindropuntia spinosiortreespecies
Cylindropuntia versicolorshrub
tree
species
Cylindropuntia whippleishrub
matlike
tree
speciesEndemic
Cylindropuntia ×kelvinensistreespecies
Cynara cardunculustree
vine
shrub
subshrub
speciesWeedy
Introduced
Illustrated
Dendromecon harfordiishrub
tree
speciesEndemic
Dichaetophora campestristree
shrub
subshrub
speciesIllustrated
Dieteria asteroidestree
shrub
subshrub
species
Dieteria bigeloviitree
shrub
subshrub
speciesIllustrated
Endemic
Dieteria canescenstree
shrub
subshrub
speciesIllustrated
Dimeresia howelliitree
shrub
subshrub
speciesIllustrated
Endemic
Dimorphotheca pluvialistree
shrub
speciesIntroduced
Dimorphotheca sinuatatree
shrub
speciesIntroduced
Illustrated
Diospyros ebenumtreespeciesIntroduced
Diospyros maritimatree
shrub
species
Diospyros texanatree
shrub
speciesIllustrated
Diospyros virginianatreespeciesIllustrated
Endemic
Drypetes diversifoliatreespecies
Drypetes laterifloratreespeciesIllustrated
Dypsis lutescensplant
shrub
tree
speciesIntroduced
Illustrated
Echinops ritrotree
vine
shrub
subshrub
species
Elaeis guineensisplant
shrub
tree
speciesIntroduced
Illustrated
Elliottia racemosatree
shrub
speciesEndemic
Conservation concern
Emilia fosbergiivine
tree
shrub
subshrub
species
Erechtites glomeratusvine
tree
shrub
subshrub
speciesIntroduced
Erechtites hieraciifoliusvine
tree
shrub
subshrub
speciesIllustrated
Erechtites minimusvine
tree
shrub
subshrub
speciesIntroduced
Erigeron abajoensistree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron acomanustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron acristree
shrub
subshrub
species
Erigeron aequifoliustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron algidustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron aliceaetree
shrub
subshrub
speciesEndemic
Erigeron allocotustree
shrub
subshrub
speciesEndemic
Erigeron alpiniformistree
shrub
subshrub
species
Erigeron anchanatree
shrub
subshrub
species
Erigeron annuustree
shrub
subshrub
speciesEndemic
Erigeron aphanactistree
shrub
subshrub
speciesEndemic
Erigeron arenarioidestree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron argentatustree
shrub
subshrub
speciesEndemic
Erigeron arisoliustree
shrub
subshrub
species
Erigeron arizonicustree
shrub
subshrub
species
Erigeron asperugineustree
shrub
subshrub
speciesEndemic
Erigeron aureustree
shrub
subshrub
speciesEndemic
Erigeron barbellulatustree
shrub
subshrub
speciesEndemic
Erigeron basalticustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron bellidiastrumtree
shrub
subshrub
speciesIllustrated
Erigeron bigeloviitree
shrub
subshrub
species
Erigeron biolettiitree
shrub
subshrub
speciesEndemic
Erigeron blochmaniaetree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron bloomeritree
shrub
subshrub
speciesEndemic
Erigeron breweritree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron caespitosustree
shrub
subshrub
speciesEndemic
Erigeron calvustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron canaanitree
shrub
subshrub
speciesEndemic
Erigeron canustree
shrub
subshrub
species
Erigeron cascadensistree
shrub
subshrub
speciesEndemic
Erigeron cavernensistree
shrub
subshrub
species
Erigeron cervinustree
shrub
subshrub
speciesEndemic
Erigeron chrysopsidistree
shrub
subshrub
speciesEndemic
Erigeron clokeyitree
shrub
subshrub
speciesEndemic
Erigeron compactustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron compositustree
shrub
subshrub
speciesIllustrated
Erigeron concinnustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron consimilistree
shrub
subshrub
speciesEndemic
Erigeron corymbosustree
shrub
subshrub
speciesEndemic
Erigeron coulteritree
shrub
subshrub
speciesEndemic
Erigeron cronquistiitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron davisiitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron denaliitree
shrub
subshrub
speciesEndemic
Erigeron disparipilustree
shrub
subshrub
speciesEndemic
Erigeron divergenstree
shrub
subshrub
species
Erigeron eatoniitree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron elatiortree
shrub
subshrub
speciesEndemic
Erigeron elatustree
shrub
subshrub
speciesEndemic
Erigeron elegantulustree
shrub
subshrub
speciesEndemic
Erigeron elmeritree
shrub
subshrub
speciesEndemic
Erigeron engelmanniitree
shrub
subshrub
speciesEndemic
Erigeron evermanniitree
shrub
subshrub
speciesEndemic
Erigeron eximiustree
shrub
subshrub
speciesEndemic
Erigeron filifoliustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron flabellifoliustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron flagellaristree
shrub
subshrub
species
Erigeron flettiitree
shrub
subshrub
speciesEndemic
Erigeron formosissimustree
shrub
subshrub
speciesEndemic
Erigeron garrettiitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron geiseritree
shrub
subshrub
speciesEndemic
Erigeron glabellustree
shrub
subshrub
speciesEndemic
Erigeron glacialistree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron glaucustree
shrub
subshrub
speciesEndemic
Erigeron goodrichiitree
shrub
subshrub
speciesEndemic
Erigeron gracilistree
shrub
subshrub
speciesEndemic
Erigeron grandiflorustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron greeneitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron heliographistree
shrub
subshrub
species
Erigeron hessiitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron howelliitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron humilistree
shrub
subshrub
species
Erigeron hyperboreustree
shrub
subshrub
speciesEndemic
Erigeron hyssopifoliustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron inornatustree
shrub
subshrub
speciesEndemic
Erigeron jonesiitree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron kachinensistree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron karvinskianustree
shrub
subshrub
speciesIntroduced
Illustrated
Erigeron klamathensistree
shrub
subshrub
speciesEndemic
Erigeron kuscheitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron lackschewitziitree
shrub
subshrub
speciesEndemic
Erigeron lanatustree
shrub
subshrub
speciesEndemic
Erigeron lassenianustree
shrub
subshrub
speciesEndemic
Erigeron latustree
shrub
subshrub
speciesEndemic
Erigeron leibergiitree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron leiomerustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron lemmoniitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron linearistree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron lobatustree
shrub
subshrub
speciesIllustrated
Erigeron lonchophyllustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron maguireitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron mancustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron maniopotamicustree
shrub
subshrub
species
Erigeron mariposanustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron melanocephalustree
shrub
subshrub
speciesEndemic
Erigeron misertree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron modestustree
shrub
subshrub
species
Erigeron muiriitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron multicepstree
shrub
subshrub
speciesConservation concern
Erigeron nanustree
shrub
subshrub
speciesEndemic
Erigeron nauseosustree
shrub
subshrub
speciesEndemic
Erigeron nematophyllustree
shrub
subshrub
speciesEndemic
Erigeron neomexicanustree
shrub
subshrub
speciesIllustrated
Erigeron nivalistree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron ochroleucustree
shrub
subshrub
speciesEndemic
Erigeron oreganustree
shrub
subshrub
speciesEndemic
Erigeron oreophilustree
shrub
subshrub
species
Erigeron ovinustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron oxyphyllustree
shrub
subshrub
species
Erigeron pallenstree
shrub
subshrub
speciesEndemic
Erigeron parishiitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron parryitree
shrub
subshrub
species
Erigeron peregrinustree
shrub
subshrub
speciesEndemic
Erigeron petrophilustree
shrub
subshrub
speciesEndemic
Erigeron philadelphicustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron pinnatisectustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron piperianustree
shrub
subshrub
speciesEndemic
Erigeron piscaticustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron poliospermustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron porsildiitree
shrub
subshrub
speciesEndemic
Erigeron pringleitree
shrub
subshrub
species
Erigeron procumbenstree
shrub
subshrub
speciesIllustrated
Erigeron pulchellustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron pulcherrimustree
shrub
subshrub
speciesEndemic
Erigeron pumilustree
shrub
subshrub
speciesEndemic
Erigeron purpuratustree
shrub
subshrub
speciesEndemic
Erigeron pygmaeustree
shrub
subshrub
speciesEndemic
Erigeron quercifoliustree
shrub
subshrub
species
Erigeron radicatustree
shrub
subshrub
speciesEndemic
Erigeron reductustree
shrub
subshrub
speciesEndemic
Erigeron religiosustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron rhizomatustree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Erigeron robustiortree
shrub
subshrub
speciesEndemic
Erigeron rybiustree
shrub
subshrub
speciesEndemic
Erigeron rydbergiitree
shrub
subshrub
speciesEndemic
Erigeron salishiitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron salmonensistree
shrub
subshrub
speciesEndemic
Erigeron sanctarumtree
shrub
subshrub
speciesEndemic
Erigeron saxatilistree
shrub
subshrub
species
Erigeron sceptrifertree
shrub
subshrub
species
Erigeron scopulinustree
shrub
subshrub
species
Erigeron serpentinustree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron sionistree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Erigeron sivinskiitree
shrub
subshrub
species
Erigeron sparsifoliustree
shrub
subshrub
speciesEndemic
Erigeron speciosustree
shrub
subshrub
species
Erigeron strigosustree
shrub
subshrub
speciesEndemic
Erigeron subglabertree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron subtrinervistree
shrub
subshrub
speciesEndemic
Erigeron supplextree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron tenellustree
shrub
subshrub
species
Erigeron tenertree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron tenuistree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron tracyitree
shrub
subshrub
speciesIllustrated
Erigeron trifidustree
shrub
subshrub
speciesEndemic
Erigeron tweedyitree
shrub
subshrub
speciesEndemic
Erigeron uintahensistree
shrub
subshrub
speciesEndemic
Erigeron uncialistree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Erigeron uniflorustree
shrub
subshrub
species
Erigeron untermanniitree
shrub
subshrub
speciesEndemic
Conservation concern
Erigeron ursinustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron utahensistree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron vagustree
shrub
subshrub
speciesEndemic
Erigeron velutipestree
shrub
subshrub
species
Erigeron vernustree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron versicolortree
shrub
subshrub
species
Erigeron vetensistree
shrub
subshrub
speciesEndemic
Erigeron vicinustree
shrub
subshrub
species
Erigeron vreelandiitree
shrub
subshrub
speciesIllustrated
Erigeron watsoniitree
shrub
subshrub
speciesIllustrated
Endemic
Erigeron wilkeniitree
shrub
subshrub
species
Erigeron yukonensistree
shrub
subshrub
speciesEndemic
Eriobotrya japonicatree
shrub
speciesIllustrated
Introduced
Eucephalus breweritree
shrub
subshrub
speciesEndemic
Eucephalus eleganstree
shrub
subshrub
speciesIllustrated
Endemic
Eucephalus engelmanniitree
shrub
subshrub
speciesIllustrated
Endemic
Eucephalus glabratustree
shrub
subshrub
speciesEndemic
Eucephalus glaucescenstree
shrub
subshrub
speciesEndemic
Conservation concern
Eucephalus gormaniitree
shrub
subshrub
speciesEndemic
Eucephalus ledophyllustree
shrub
subshrub
speciesEndemic
Eucephalus paucicapitatustree
shrub
subshrub
speciesEndemic
Eucephalus tomentellustree
shrub
subshrub
speciesEndemic
Eucephalus vialistree
shrub
subshrub
speciesEndemic
Conservation concern
Eucommia ulmoidestreespeciesIntroduced
Illustrated
Euonymus atropurpureustree
shrub
speciesWeedy
Endemic
Euonymus europaeustree
shrub
speciesWeedy
Introduced
Fagus grandifoliatreespeciesEndemic
Illustrated
Ficus americanatreespeciesIntroduced
Ficus aureatreespeciesIllustrated
Ficus benghalensistreespeciesIllustrated
Introduced
Ficus benjaminatreespeciesIllustrated
Introduced
Ficus caricatree
shrub
speciesW1
Illustrated
Introduced
Ficus citrifoliatree
shrub
species
Ficus elasticatreespeciesIntroduced
Ficus microcarpatreespeciesIllustrated
Introduced
Ficus religiosatreespeciesIntroduced
Firmiana simplextreespeciesIllustrated
Introduced
Flacourtia indicashrub
tree
speciesIntroduced
Illustrated
Frangula alnustree
shrub
speciesIntroduced
Frangula betulifoliatree
shrub
speciesIllustrated
Frangula carolinianatree
shrub
speciesEndemic
Frangula purshianatree
shrub
speciesEndemic
Franklinia alatamahatreespeciesIllustrated
Endemic
Garrya ellipticatree
shrub
speciesEndemic
Garrya lindheimeritree
shrub
species
Garrya veatchiitree
shrub
speciesIllustrated
Garrya wrightiitree
shrub
speciesIllustrated
Gazania linearistree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Ginkgo bilobatreespecies
Gordonia lasianthustreespeciesIllustrated
Endemic
Guaiacum angustifoliumtree
shrub
speciesIllustrated
Guaiacum sanctumtreespeciesConservation concern
Guapira discolorshrub
tree
speciesIllustrated
Guapira obtusatashrub
tree
species
Guizotia abyssinicatree
shrub
subshrub
speciesIntroduced
Illustrated
Gyminda latifoliatree
shrub
speciesIllustrated
Gymnanthes lucidatree
shrub
speciesIllustrated
Gynura aurantiacavine
tree
shrub
subshrub
speciesIntroduced
Illustrated
Halesia carolinatree
shrub
speciesIllustrated
Endemic
Halesia dipteratree
shrub
speciesIllustrated
Endemic
Hamamelis virginianatree
suckering
shrub
speciesEndemic
Illustrated
Heteromeles arbutifoliatree
shrub
speciesIllustrated
Heterosavia bahamensistree
shrub
speciesIllustrated
Heterotheca camporumtree
shrub
subshrub
speciesEndemic
Heterotheca canescenstree
shrub
subshrub
speciesEndemic
Heterotheca fulcratatree
shrub
subshrub
species
Heterotheca grandifloratree
shrub
subshrub
speciesEndemic
Heterotheca jonesiitree
shrub
subshrub
speciesEndemic
Conservation concern
Heterotheca marginatatree
shrub
subshrub
species
Heterotheca monarchensistree
shrub
subshrub
species
Heterotheca oregonatree
shrub
subshrub
speciesEndemic
Heterotheca pumilatree
shrub
subshrub
speciesEndemic
Heterotheca rutteritree
shrub
subshrub
speciesConservation concern
Heterotheca sessilifloratree
shrub
subshrub
speciesIllustrated
Heterotheca shevockiitree
shrub
subshrub
speciesEndemic
Conservation concern
Heterotheca stenophyllatree
shrub
subshrub
speciesEndemic
Heterotheca subaxillaristree
shrub
subshrub
speciesIllustrated
Heterotheca villosatree
shrub
subshrub
speciesIllustrated
Endemic
Heterotheca viscidatree
shrub
subshrub
speciesEndemic
Heterotheca zionensistree
shrub
subshrub
speciesEndemic
Conservation concern
Hibiscus clypeatustree
shrub
subshrub
herb
species
Hibiscus mutabilistree
shrub
subshrub
speciesIntroduced
Hibiscus rosa-sinensistree
shrub
speciesIntroduced
Hibiscus schizopetalustree
shrub
speciesIntroduced
Hibiscus striatustree
shrub
subshrub
herb
species
Hippomane mancinellatreespeciesIllustrated
Hovenia dulcistreespeciesIntroduced
Illustrated
Hura crepitanstreespeciesIntroduced
Illustrated
Hydrangea paniculatatree
shrub
speciesIntroduced
Hymenopappus artemisiifoliustree
shrub
subshrub
speciesEndemic
Hymenopappus biennistree
shrub
subshrub
speciesEndemic
Hymenopappus carrizoanustree
shrub
subshrub
speciesEndemic
Conservation concern
Hymenopappus filifoliustree
shrub
subshrub
speciesIllustrated
Hymenopappus flavescenstree
shrub
subshrub
species
Hymenopappus mexicanustree
shrub
subshrub
species
Hymenopappus newberryitree
shrub
subshrub
speciesIllustrated
Endemic
Hymenopappus radiatustree
shrub
subshrub
speciesEndemic
Hymenopappus scabiosaeustree
shrub
subshrub
species
Hymenopappus tenuifoliustree
shrub
subshrub
speciesEndemic
Illicium floridanumtree
shrub
speciesIllustrated
Illicium parviflorumtree
shrub
speciesConservation concern
Endemic
Jacquinia arboreatree
shrub
species
Jacquinia keyensistree
shrub
speciesIllustrated
Jatropha curcastreespeciesIntroduced
Jatropha multifidatree
shrub
speciesIntroduced
Jaumea carnosatree
shrub
subshrub
speciesIllustrated
Juglans californicatree
shrub
speciesEndemic
Illustrated
Juglans cinereatreespeciesConservation concern
Endemic
Illustrated
Juglans hindsiitreespeciesConservation concern
Endemic
Illustrated
Juglans majortree
shrub
speciesIllustrated
Juglans microcarpatree
shrub
speciesIllustrated
Juglans nigratreespeciesEndemic
Illustrated
Juniperus asheitreespeciesIllustrated
Juniperus californicatree
shrub
species
Juniperus coahuilensistree
shrub
species
Juniperus communistree
shrub
speciesIllustrated
Juniperus deppeanashrub
tree
species
Juniperus flaccidashrub
tree
species
Juniperus monospermatree
shrub
speciesIllustrated
Endemic
Juniperus occidentalistreespeciesEndemic
Juniperus osteospermatree
shrub
speciesEndemic
Juniperus pinchotiitree
shrubby
shrub
species
Juniperus scopulorumtreespecies
Juniperus virginianatreespeciesIllustrated
Endemic
Kalmia latifoliatree
shrub
speciesEndemic
Karwinskia humboldtianatree
shrub
speciesIllustrated
Krugiodendron ferreumtree
shrub
speciesIllustrated
Larix laricinatreespeciesEndemic
Larix lyalliitreespeciesEndemic
Larix occidentalistreespeciesIllustrated
Endemic
Laënnecia coulteritree
shrub
subshrub
species
Laënnecia eriophyllatree
shrub
subshrub
species
Laënnecia filaginoidestree
shrub
subshrub
species
Laënnecia schiedeanatree
shrub
subshrub
species
Laënnecia sophiifoliatree
shrub
subshrub
species
Laënnecia turnerorumtree
shrub
subshrub
species
Leitneria floridanatree
shrub
speciesConservation concern
Endemic
Illustrated
Licaria triandratreespeciesIllustrated
Lindera benzointree
shrub
speciesEndemic
Liquidambar styracifluatreespeciesW1
Illustrated
Liriodendron tulipiferatreespeciesW1
Endemic
Illustrated
Lithocarpus densiflorustree
shrub
speciesIllustrated
Endemic
Luina hypoleucavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Luina serpentinavine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Lyonia ferrugineatree
shrub
speciesIllustrated
Endemic
Machaeranthera tagetinatree
shrub
subshrub
species
Machaeranthera tanacetifoliatree
shrub
subshrub
speciesIllustrated
Maclura pomiferatreespeciesW1
Endemic
Illustrated
Magnolia acuminatatreespeciesEndemic
Magnolia asheitreespeciesConservation concern
Endemic
Illustrated
Magnolia fraseritreespeciesEndemic
Illustrated
Magnolia grandifloratreespeciesEndemic
Magnolia macrophyllatreespeciesEndemic
Illustrated
Magnolia pyramidatatreespeciesEndemic
Illustrated
Magnolia tripetalatreespeciesEndemic
Magnolia virginianatree
shrub
speciesEndemic
Malpighia glabratree
shrub
speciesIllustrated
Malus angustifoliashrub
tree
speciesEndemic
Malus baccatatreespeciesIntroduced
Malus coronariashrub
tree
speciesEndemic
Malus fuscashrub
tree
speciesEndemic
Malus hallianatree
shrub
speciesIntroduced
Malus hupehensistreespeciesIntroduced
Malus ioensisshrub
tree
speciesEndemic
Illustrated
Malus prunifoliatreespeciesIntroduced
Malus pumilatreespeciesIntroduced
Malus toringoshrub
tree
speciesIntroduced
Mammea americanatreespeciesIllustrated
Introduced
Manihot grahamiitree
shrub
speciesIntroduced
Illustrated
Manilkara jaimiquitree
shrub
speciesIllustrated
Manilkara zapotatreespeciesIntroduced
Mantisalca salmanticatree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Maxonia apiifoliatree
climbing
plant
species
Maytenus boariatreespeciesIntroduced
Maytenus phyllanthoidestree
shrub
speciesIllustrated
Mespilus germanicatree
shrub
speciesIllustrated
Introduced
Monoptilon bellidiformetree
shrub
subshrub
speciesIllustrated
Endemic
Monoptilon bellioidestree
shrub
subshrub
species
Morus albatree
shrub
speciesW1
Introduced
Morus microphyllatree
shrub
species
Morus rubratree
shrub
speciesW1
Endemic
Illustrated
Muntingia calaburatree
shrub
speciesIllustrated
Introduced
Myoporum acuminatumtree
shrub
speciesWeedy
Introduced
Myoporum laetumtree
shrub
speciesWeedy
Introduced
Illustrated
Myrica californicatree
shrub
speciesEndemic
Myrica ceriferatree
shrub
speciesW1
Illustrated
Myrica heterophyllatree
shrub
speciesEndemic
Myrica inodoratree
shrub
speciesEndemic
Myrica pensylvanicatree
colonial
shrub
speciesEndemic
Illustrated
Weedy
Myrsine cubanatree
shrub
species
Nectandra coriaceatreespeciesIllustrated
Nopalea cochenilliferatree
shrub
speciesIntroduced
Illustrated
Nyssa aquaticatreespeciesEndemic
Nyssa bifloratreespeciesEndemic
Nyssa ogechetreespeciesEndemic
Nyssa sylvaticatreespeciesIllustrated
Nyssa ursinatree
shrub
speciesEndemic
Conservation concern
Oemleria cerasiformistree
shrub
speciesEndemic
Illustrated
Onopordum acanthiumtree
vine
shrub
subshrub
speciesWeedy
Introduced
Opuntia aureispinatree
shrub
species
Opuntia chloroticashrub
tree
speciesIllustrated
Opuntia engelmanniitree
shrub
species
Opuntia ficus-indicatreespeciesIntroduced
Opuntia oricolashrub
tree
species
Opuntia rufidatree
shrub
species
Opuntia santa-ritatree
shrub
species
Opuntia ×curvispinatree
shrubby
species
Opuntia ×spinosibaccatree
shrub
species
Oreochrysum parryitree
shrub
subshrub
speciesIllustrated
Ostrya chisosensistreespeciesConservation concern
Endemic
Ostrya knowltoniitreespeciesEndemic
Ostrya virginianatreespeciesEndemic
Illustrated
Packera anonymavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Packera antennariifoliavine
tree
shrub
subshrub
speciesEndemic
Packera aureavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Packera bernardinavine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Packera bolanderivine
tree
shrub
subshrub
speciesEndemic
Packera brewerivine
tree
shrub
subshrub
speciesEndemic
Packera canavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Packera cardaminevine
tree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Packera castoreusvine
tree
shrub
subshrub
speciesEndemic
Packera clevelandiivine
tree
shrub
subshrub
speciesEndemic
Packera conterminavine
tree
shrub
subshrub
speciesEndemic
Packera crocatavine
tree
shrub
subshrub
speciesEndemic
Packera cymbalariavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Packera cynthioidesvine
tree
shrub
subshrub
speciesEndemic
Packera debilisvine
tree
shrub
subshrub
speciesEndemic
Packera dimorphophyllavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Packera eurycephalavine
tree
shrub
subshrub
speciesEndemic
Packera fendlerivine
tree
shrub
subshrub
speciesEndemic
Packera flettiivine
tree
shrub
subshrub
speciesEndemic
Packera franciscanavine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Packera ganderivine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Packera glabellavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Packera greeneivine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Packera hartianavine
tree
shrub
subshrub
speciesEndemic
Packera hesperiavine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Packera hyperborealisvine
tree
shrub
subshrub
speciesEndemic
Packera indecoravine
tree
shrub
subshrub
speciesEndemic
Packera ionophyllavine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Packera layneaevine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Packera macouniivine
tree
shrub
subshrub
speciesEndemic
Packera malmsteniivine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Packera millefoliumvine
tree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Packera millelobatavine
tree
shrub
subshrub
species
Packera multilobatavine
tree
shrub
subshrub
speciesEndemic
Packera musiniensisvine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Packera neomexicanavine
tree
shrub
subshrub
species
Packera obovatavine
tree
shrub
subshrub
species
Packera ogotorukensisvine
tree
shrub
subshrub
speciesEndemic
Packera paucifloravine
tree
shrub
subshrub
speciesEndemic
Packera pauperculavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Packera plattensisvine
tree
shrub
subshrub
speciesEndemic
Packera porterivine
tree
shrub
subshrub
speciesEndemic
Packera pseudaureavine
tree
shrub
subshrub
speciesEndemic
Packera quercetorumvine
tree
shrub
subshrub
speciesEndemic
Packera sanguisorboidesvine
tree
shrub
subshrub
speciesEndemic
Packera schweinitzianavine
tree
shrub
subshrub
speciesEndemic
Packera spellenbergiivine
tree
shrub
subshrub
speciesEndemic
Conservation concern
Packera streptanthifoliavine
tree
shrub
subshrub
speciesEndemic
Packera subnudavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Packera tampicanavine
tree
shrub
subshrub
species
Packera texensisvine
tree
shrub
subshrub
species
Packera tomentosavine
tree
shrub
subshrub
speciesEndemic
Packera tridenticulatavine
tree
shrub
subshrub
speciesEndemic
Packera werneriifoliavine
tree
shrub
subshrub
speciesEndemic
Parasenecio auriculatusvine
tree
shrub
subshrub
speciesIllustrated
Paulownia tomentosatreespeciesWeedy
Introduced
Illustrated
Pereskia grandifoliashrub
scrambling
tree
speciesIntroduced
Pericallis hybridavine
tree
shrub
subshrub
species
Persea borboniatreespeciesEndemic
Illustrated
Persea humilistree
shrub
speciesEndemic
Persea palustristreespecies
Petradoria pumilatree
shrub
subshrub
speciesIllustrated
Endemic
Phoenix canariensisplant
shrub
tree
speciesIntroduced
Phoenix reclinataplant
shrub
tree
speciesIntroduced
Illustrated
Photinia davidianatree
shrub
speciesIllustrated
Introduced
Phyllanthus acidustreespeciesIntroduced
Phyllanthus liebmannianustree
shrub
herb
speciesConservation concern
Phyllanthus urinariatree
shrub
herb
speciesWeedy
Introduced
Picea abiestreespeciesIntroduced
Picea brewerianatreespeciesIllustrated
Endemic
Picea engelmanniitreespeciesIllustrated
Picea glaucatreespeciesIllustrated
Endemic
Picea marianatreespeciesEndemic
Picea pungenstreespeciesEndemic
Picea rubenstreespeciesIllustrated
Endemic
Picea sitchensistreespeciesIllustrated
Endemic
Picramnia pentandratree
shrub
speciesIllustrated
Pinus albicaulistreespeciesEndemic
Pinus aristatatreespeciesIllustrated
Endemic
Pinus attenuatatree
shrub
species
Pinus balfourianatreespeciesEndemic
Conservation concern
Pinus banksianatreespeciesIllustrated
Endemic
Pinus cembroidestree
shrub
species
Pinus clausatreespeciesIllustrated
Endemic
Pinus contortatree
shrub
species
Pinus coulteritreespecies
Pinus echinatatreespeciesEndemic
Pinus edulistree
shrub
species
Pinus elliottiitreespeciesEndemic
Pinus engelmanniitreespecies
Pinus flexilistreespeciesEndemic
Pinus glabratreespeciesEndemic
Pinus jeffreyitreespecies
Pinus lambertianatreespecies
Pinus leiophyllashrub
tree
speciesIllustrated
Pinus longaevatreespeciesEndemic
Pinus monophyllatreespeciesIllustrated
Pinus monticolatreespeciesEndemic
Pinus muricatatreespeciesConservation concern
Pinus palustristreespeciesEndemic
Pinus ponderosatreespeciesIllustrated
Pinus pungenstreespeciesIllustrated
Endemic
Pinus quadrifoliatreespecies
Pinus radiatatreespeciesConservation concern
Pinus resinosatreespeciesIllustrated
Endemic
Pinus rigidatreespeciesEndemic
Pinus sabinianatreespeciesIllustrated
Endemic
Pinus serotinatreespeciesEndemic
Pinus strobiformistreespecies
Pinus strobustreespeciesIllustrated
Pinus sylvestrisshrub
tree
speciesIntroduced
Pinus taedatreespeciesIllustrated
Endemic
Pinus torreyanatreespeciesEndemic
Conservation concern
Pinus virginianatreespeciesEndemic
Pinus washoensistreespeciesEndemic
Conservation concern
Piper aduncumtree
shrub
speciesIntroduced
Illustrated
Pisonia capitatatree
shrub
species
Pisonia rotundatatree
shrub
speciesConservation concern
Pityopsis asperatree
shrub
subshrub
speciesEndemic
Pityopsis falcatatree
shrub
subshrub
speciesEndemic
Pityopsis flexuosatree
shrub
subshrub
speciesEndemic
Pityopsis graminifoliatree
shrub
subshrub
speciesIllustrated
Pityopsis oliganthatree
shrub
subshrub
speciesEndemic
Pityopsis pinifoliatree
shrub
subshrub
speciesEndemic
Pityopsis ruthiitree
shrub
subshrub
speciesEndemic
Conservation concern
Planera aquaticatreespeciesEndemic
Illustrated
Platanus occidentalistreespeciesIllustrated
Platanus racemosatreespeciesIllustrated
Platanus wrightiitreespeciesIllustrated
Pleradenophora bilocularistree
shrub
speciesIllustrated
Pluchea baccharistree
shrub
subshrub
species
Pluchea camphoratatree
shrub
subshrub
speciesEndemic
Pluchea foetidatree
shrub
subshrub
species
Pluchea longifoliatree
shrub
subshrub
speciesEndemic
Pluchea odoratatree
shrub
subshrub
speciesIllustrated
Pluchea sagittalistree
shrub
subshrub
speciesIntroduced
Pluchea sericeatree
shrub
speciesIllustrated
Pluchea yucatanensistree
shrub
subshrub
speciesIntroduced
Polymnia canadensistree
shrub
subshrub
speciesIllustrated
Endemic
Polymnia cossatotensistree
shrub
subshrub
speciesEndemic
Polymnia laevigatatree
shrub
subshrub
speciesEndemic
Pouteria campechianatreespeciesIntroduced
Illustrated
Prunus americanatree
suckering
shrub
speciesEndemic
Prunus angustifoliatree
suckering
shrub
speciesEndemic
Prunus armeniacatree
not suckering
speciesIntroduced
Prunus aviumtree
not suckering
speciesIntroduced
Prunus carolinianatree
not suckering
shrub
speciesEndemic
Prunus cerasiferatree
suckering
speciesIntroduced
Prunus cerasustree
suckering
shrub
speciesIntroduced
Prunus domesticatree
suckering
shrub
speciesIntroduced
Prunus dulcistree
not suckering
speciesIntroduced
Prunus emarginatatree
suckering
shrub
species
Prunus hortulanatree
suckering
speciesEndemic
Illustrated
Prunus ilicifoliatree
suckering
shrub
speciesIllustrated
Prunus laurocerasustree
suckering
shrub
speciesIntroduced
Prunus lusitanicatree
not suckering
shrub
speciesIntroduced
Prunus mahalebtree
not suckering
shrub
speciesIntroduced
Prunus mexicanatree
suckering
species
Prunus myrtifoliatree
not suckering
species
Prunus nigratree
suckering
shrub
speciesEndemic
Prunus padustree
not suckering
speciesIntroduced
Prunus pensylvanicatree
suckering
shrub
speciesEndemic
Illustrated
Prunus persicatree
not suckering
speciesIntroduced
Prunus rivularistree
suckering
shrub
speciesEndemic
Prunus serotinatree
not suckering
shrub
species
Prunus speciosatree
not suckering
speciesIntroduced
Prunus subcordatatree
suckering
shrub
speciesEndemic
Prunus subhirtellatree
not suckering
speciesIntroduced
Prunus umbellatatree
suckering
shrub
speciesEndemic
Prunus virginianatree
suckering
shrub
species
Prunus yedoensistree
not suckering
speciesIntroduced
Psacalium decompositumvine
tree
shrub
subshrub
speciesIllustrated
Pseudocydonia sinensistree
shrub
speciesIllustrated
Introduced
Pseudophoenix sargentiiplant
shrub
tree
speciesIllustrated
Pseudotsuga macrocarpatreespeciesEndemic
Pseudotsuga menziesiitreespeciesIllustrated
Psilactis asteroidestree
shrub
subshrub
speciesIllustrated
Psilactis brevilingulatatree
shrub
subshrub
species
Psilactis gentryitree
shrub
subshrub
species
Psilactis heterocarpatree
shrub
subshrub
speciesEndemic
Conservation concern
Psilactis tenuistree
shrub
subshrub
speciesIllustrated
Ptychosperma elegansplant
shrub
tree
speciesIntroduced
Ptychosperma macarthuriiplant
shrub
tree
speciesIntroduced
Illustrated
Pulicaria paludosatree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Quadrella jamaicensistree
shrub
species
Quercus acerifoliashrub
tree
speciesConservation concern
Endemic
Illustrated
Quercus agrifoliatreespeciesIllustrated
Quercus ajoensistree
shrub
speciesIllustrated
Quercus albatreespeciesW1
Endemic
Illustrated
Quercus arizonicatreespeciesIllustrated
Quercus arkansanatreespeciesEndemic
Illustrated
Quercus austrinatreespeciesEndemic
Illustrated
Quercus bicolortreespeciesEndemic
Illustrated
Quercus boyntoniitree
shrub
speciesConservation concern
Endemic
Illustrated
Quercus buckleyitreespeciesEndemic
Illustrated
Quercus carmenensistree
shrub
speciesConservation concern
Illustrated
Quercus chihuahuensistree
shrub
speciesIllustrated
Quercus chrysolepisshrub
tree
speciesIllustrated
Quercus coccineatreespeciesEndemic
Illustrated
Quercus douglasiitreespeciesEndemic
Illustrated
Quercus ellipsoidalistreespeciesEndemic
Illustrated
Quercus emoryishrub
tree
speciesIllustrated
Quercus engelmanniitreespeciesIllustrated
Quercus falcatatreespeciesW1
Endemic
Illustrated
Quercus fusiformisshrub
tree
speciesW1
Illustrated
Quercus gambeliitree
shrub
speciesW2
Endemic
Illustrated
Quercus garryanashrub
tree
speciesEndemic
Illustrated
Quercus geminatashrub
tree
speciesW1
Illustrated
Quercus georgianatreespeciesEndemic
Illustrated
Quercus graciliformistreespeciesConservation concern
Endemic
Illustrated
Quercus gravesiitreespeciesIllustrated
Quercus griseatree
shrub
speciesIllustrated
Quercus hemisphaericatreespeciesEndemic
Illustrated
Quercus hypoleucoidesshrub
tree
speciesIllustrated
Quercus ilicifoliashrub
tree
speciesEndemic
Illustrated
Quercus imbricariatreespeciesEndemic
Illustrated
Quercus incanatreespeciesW1
Endemic
Illustrated
Quercus kelloggiitreespeciesEndemic
Illustrated
Quercus laceyitreespeciesIllustrated
Quercus laevisshrub
tree
speciesW1
Endemic
Illustrated
Quercus laurifoliatreespeciesW1
Endemic
Illustrated
Quercus lobatatreespeciesEndemic
Illustrated
Quercus lyratatreespeciesEndemic
Illustrated
Quercus macrocarpatreespeciesEndemic
Illustrated
Quercus margarettaeshrub
tree
speciesEndemic
Illustrated
Quercus marilandicatreespeciesW1
Endemic
Illustrated
Quercus michauxiitreespeciesEndemic
Illustrated
Quercus mohrianatree
shrub
speciesIllustrated
Quercus montanatreespeciesEndemic
Illustrated
Quercus muehlenbergiishrub
tree
speciesIllustrated
Quercus myrtifoliashrub
tree
speciesW1
Endemic
Illustrated
Quercus nigratreespeciesW1
Endemic
Illustrated
Quercus oblongifoliatreespeciesIllustrated
Quercus oglethorpensistreespeciesConservation concern
Endemic
Illustrated
Quercus pacificatree
shrub
speciesConservation concern
Endemic
Illustrated
Quercus pagodatreespeciesEndemic
Illustrated
Quercus palmerishrub
tree
speciesIllustrated
Quercus palustristreespeciesW1
Endemic
Illustrated
Quercus phellostreespeciesW1
Endemic
Illustrated
Quercus polymorphatreespeciesIllustrated
Quercus pungenstree
shrub
speciesIllustrated
Quercus roburtreespeciesIntroduced
Quercus robustatreespeciesConservation concern
Endemic
Illustrated
Quercus rubratreespeciesEndemic
Illustrated
Quercus rugosatree
shrub
speciesIllustrated
Quercus shumardiitreespeciesEndemic
Illustrated
Quercus similistreespeciesEndemic
Illustrated
Quercus sinuatashrub
tree
speciesIllustrated
Quercus stellatatreespeciesW1
Endemic
Illustrated
Quercus tardifoliatreespeciesConservation concern
Illustrated
Quercus texanatreespeciesEndemic
Illustrated
Quercus tomentellatreespeciesIllustrated
Quercus toumeyitree
shrub
speciesIllustrated
Quercus turbinellatree
shrub
speciesW1
Illustrated
Quercus vaseyanatree
shrub
speciesIllustrated
Quercus velutinatreespeciesEndemic
Illustrated
Quercus vimineatreespeciesIllustrated
Quercus virginianashrub
tree
speciesW1
Endemic
Illustrated
Quercus wislizeniishrub
tree
speciesEndemic
Illustrated
Rainiera strictavine
tree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Ratibida columniferatree
shrub
subshrub
species
Ratibida peduncularistree
shrub
subshrub
species
Ratibida pinnatatree
shrub
subshrub
speciesIllustrated
Endemic
Ratibida tagetestree
shrub
subshrub
species
Rayjacksonia annuatree
shrub
subshrub
speciesEndemic
Rayjacksonia aureatree
shrub
subshrub
speciesEndemic
Conservation concern
Rayjacksonia phyllocephalatree
shrub
subshrub
speciesIllustrated
Reynosia septentrionalistree
shrub
speciesIllustrated
Rhamnus argutatree
shrub
speciesIntroduced
Rhamnus catharticatree
shrub
speciesIntroduced
Rhamnus davuricatree
shrub
speciesIntroduced
Illustrated
Rhamnus ilicifoliatree
shrub
speciesIllustrated
Rhamnus japonicatree
shrub
speciesIntroduced
Rhamnus utilistree
shrub
speciesIntroduced
Rhizophora mangletree
shrub
speciesWeedy
Illustrated
Rhododendron arborescenstree
shrub
speciesEndemic
Rhododendron austrinumtree
shrub
speciesEndemic
Rhododendron calendulaceumtree
shrub
speciesEndemic
Rhododendron canescenstree
shrub
speciesEndemic
Rhododendron catawbiensetree
shrub
speciesEndemic
Rhododendron columbianumtree
shrub
species
Rhododendron eastmaniitree
shrub
species
Rhododendron macrophyllumtree
shrub
speciesEndemic
Rhododendron maximumtree
shrub
speciesIllustrated
Endemic
Rhododendron occidentaletree
shrub
speciesEndemic
Rhododendron prunifoliumtree
shrub
speciesEndemic
Conservation concern
Rhododendron viscosumtree
shrub
speciesIllustrated
Endemic
Rigiopappus leptocladustree
shrub
subshrub
speciesIllustrated
Endemic
Roystonea regiaplant
shrub
tree
speciesIllustrated
Rugelia nudicaulisvine
tree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Salix alaxensistree
shrub
speciesIllustrated
Salix albatreespeciesWeedy
Introduced
Salix amygdaloidestreespeciesIllustrated
Endemic
Salix arbusculoidestree
shrub
speciesIllustrated
Endemic
Salix babylonicatreespeciesWeedy
Introduced
Salix bebbianatree
shrub
speciesIllustrated
Salix bonplandianatreespeciesIllustrated
Salix capreatree
shrub
speciesWeedy
Introduced
Salix carolinianatreespeciesWeedy
Illustrated
Salix daphnoidestree
shrub
species
Salix euxinatreespecies
Salix exiguatree
shrub
speciesWeedy
Illustrated
Endemic
Salix famelicatree
shrub
species
Salix floridanatree
shrub
speciesIllustrated
Endemic
Conservation concern
Salix gooddingiitreespeciesWeedy
Salix hookerianatree
shrub
speciesEndemic
Salix humboldtianatree
shrub
species
Salix interiortree
shrub
speciesWeedy
Illustrated
Salix laevigatatreespeciesWeedy
Illustrated
Salix lasiandratree
shrub
speciesEndemic
Salix lasiolepistree
shrub
speciesWeedy
Illustrated
Salix lucidatree
shrub
speciesIllustrated
Endemic
Salix myrsinifoliatree
shrub
species
Salix nigratreespeciesWeedy
Illustrated
Salix pentandratree
shrub
speciesWeedy
Introduced
Salix planifoliatree
shrub
speciesEndemic
Salix scoulerianatree
shrub
speciesIllustrated
Salix sitchensistree
shrub
speciesIllustrated
Endemic
Salix taxifoliatree
shrub
species
Salix thurberitree
shrub
species
Salix triandratree
shrub
species
Salix ×fragilistreespecies
Salix ×jesupiitreespecies
Salix ×pendulinatreespecies
Salix ×sepulcralistreespecies
Salix ×smithianatree
shrub
species
Santalum albumtreespeciesIntroduced
Illustrated
Sassafras albidumtreespeciesW1
Endemic
Illustrated
Saussurea amaratree
vine
shrub
subshrub
speciesIntroduced
Schaefferia frutescenstree
shrub
species
Schoepfia schreberitree
shrub
speciesIllustrated
Sequoia sempervirenstreespeciesIllustrated
Endemic
Sequoiadendron giganteumtreespeciesIllustrated
Endemic
Sideroxylon alachuensetreespeciesEndemic
Conservation concern
Sideroxylon celastrinumtree
shrub
species
Sideroxylon foetidissimumtreespecies
Sideroxylon lanuginosumtree
shrub
species
Sideroxylon lycioidestree
shrub
speciesIllustrated
Endemic
Sideroxylon reclinatumtree
shrub
speciesEndemic
Sideroxylon salicifoliumtree
shrub
species
Sideroxylon tenaxtree
shrub
speciesEndemic
Sideroxylon thorneitree
shrub
speciesEndemic
Conservation concern
Silybum marianumtree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Sinosenecio newcombeivine
tree
shrub
subshrub
speciesIllustrated
Endemic
Sorbus americanatree
shrub
speciesEndemic
Illustrated
Sorbus aucupariatreespeciesIntroduced
Sorbus decoratree
shrub
speciesEndemic
Illustrated
Sorbus hybridatreespeciesIntroduced
Sorbus intermediatreespeciesIntroduced
Sorbus torminalistreespeciesIntroduced
Stewartia malacodendrontree
shrub
speciesIllustrated
Endemic
Stewartia ovatatree
shrub
speciesIllustrated
Endemic
Styrax americanustree
not suckering
shrub
speciesIllustrated
Endemic
Styrax grandifoliustree
suckering
shrub
speciesIllustrated
Endemic
Styrax japonicustree
not suckering
shrub
species
Syagrus romanzoffianaplant
shrub
tree
speciesIntroduced
Illustrated
Symphyotrichum adnatumtree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum anomalumtree
shrub
subshrub
speciesEndemic
Symphyotrichum anticostensetree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum ascendenstree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum borealetree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum bracteolatumtree
shrub
subshrub
species
Symphyotrichum campestretree
shrub
subshrub
speciesEndemic
Symphyotrichum chapmaniitree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Symphyotrichum chilensetree
shrub
subshrub
speciesEndemic
Symphyotrichum ciliatumtree
shrub
subshrub
speciesIllustrated
Symphyotrichum ciliolatumtree
shrub
subshrub
speciesEndemic
Symphyotrichum concolortree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum cordifoliumtree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum cusickiitree
shrub
subshrub
speciesEndemic
Symphyotrichum defoliatumtree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum depauperatumtree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum drummondiitree
shrub
subshrub
species
Symphyotrichum dumosumtree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum elliottiitree
shrub
subshrub
speciesEndemic
Symphyotrichum ericoidestree
shrub
subshrub
species
Symphyotrichum eulaetree
shrub
subshrub
speciesEndemic
Symphyotrichum falcatumtree
shrub
subshrub
species
Symphyotrichum fendleritree
shrub
subshrub
speciesEndemic
Symphyotrichum firmumtree
shrub
subshrub
speciesEndemic
Symphyotrichum foliaceumtree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum fontinaletree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum frondosumtree
shrub
subshrub
species
Symphyotrichum georgianumtree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum grandiflorumtree
shrub
subshrub
speciesEndemic
Symphyotrichum greataetree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum halliitree
shrub
subshrub
speciesEndemic
Symphyotrichum hendersoniitree
shrub
subshrub
speciesEndemic
Symphyotrichum jessicaetree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum laevetree
shrub
subshrub
species
Symphyotrichum lanceolatumtree
shrub
subshrub
speciesIllustrated
Symphyotrichum lateriflorumtree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum laurentianumtree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum lentumtree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum molletree
shrub
subshrub
speciesEndemic
Symphyotrichum nahanniensetree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum novae-angliaetree
shrub
subshrub
speciesEndemic
Symphyotrichum novi-belgiitree
shrub
subshrub
speciesEndemic
Symphyotrichum oblongifoliumtree
shrub
subshrub
species
Symphyotrichum ontarionistree
shrub
subshrub
speciesEndemic
Symphyotrichum oolentangiensetree
shrub
subshrub
species
Symphyotrichum parvicepstree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum patenstree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum phlogifoliumtree
shrub
subshrub
speciesEndemic
Symphyotrichum pilosumtree
shrub
subshrub
speciesEndemic
Symphyotrichum plumosumtree
shrub
subshrub
speciesEndemic
Symphyotrichum porteritree
shrub
subshrub
speciesEndemic
Symphyotrichum potosinumtree
shrub
subshrub
speciesConservation concern
Symphyotrichum praealtumtree
shrub
subshrub
speciesEndemic
Symphyotrichum pratensetree
shrub
subshrub
speciesEndemic
Symphyotrichum prenanthoidestree
shrub
subshrub
speciesIllustrated
Endemic
Symphyotrichum priceaetree
shrub
subshrub
speciesEndemic
Symphyotrichum puniceumtree
shrub
subshrub
species
Symphyotrichum pygmaeumtree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum racemosumtree
shrub
subshrub
speciesEndemic
Symphyotrichum retroflexumtree
shrub
subshrub
speciesEndemic
Symphyotrichum rhiannontree
shrub
subshrub
species
Symphyotrichum robynsianumtree
shrub
subshrub
speciesEndemic
Symphyotrichum sericeumtree
shrub
subshrub
species
Symphyotrichum shortiitree
shrub
subshrub
speciesEndemic
Symphyotrichum simmondsiitree
shrub
subshrub
speciesEndemic
Symphyotrichum spathulatumtree
shrub
subshrub
species
Symphyotrichum subspicatumtree
shrub
subshrub
speciesEndemic
Symphyotrichum subulatumtree
shrub
subshrub
species
Symphyotrichum tenuifoliumtree
shrub
subshrub
species
Symphyotrichum tradescantiitree
shrub
subshrub
speciesEndemic
Symphyotrichum turbinellumtree
shrub
subshrub
speciesEndemic
Symphyotrichum undulatumtree
shrub
subshrub
speciesEndemic
Symphyotrichum urophyllumtree
shrub
subshrub
speciesEndemic
Symphyotrichum walteritree
shrub
subshrub
speciesEndemic
Symphyotrichum welshiitree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum yukonensetree
shrub
subshrub
speciesEndemic
Conservation concern
Symphyotrichum ×amethystinumtree
shrub
subshrub
species
Symplocos paniculatatree
shrub
species
Symplocos tinctoriatree
shrub
speciesIllustrated
Endemic
Talipariti tiliaceumtreespeciesIllustrated
Introduced
Tamarix africanatree
shrub
speciesIntroduced
Tamarix aphyllatreespeciesIllustrated
Introduced
Weedy
Tamarix canariensistree
shrub
speciesIntroduced
Tamarix chinensistree
shrub
speciesIntroduced
Weedy
Tamarix gallicatree
shrub
speciesIntroduced
Weedy
Tamarix parvifloratree
shrub
speciesIllustrated
Introduced
Weedy
Tamarix ramosissimatree
shrub
speciesIllustrated
Introduced
Weedy
Tamarix tetragynatree
shrub
speciesIntroduced
Taxodium distichumtreespeciesIllustrated
Taxus brevifoliatree
shrub
speciesEndemic
Taxus floridanatree
shrub
speciesEndemic
Conservation concern
Tephroseris frigidavine
tree
shrub
subshrub
species
Tephroseris kjellmaniivine
tree
shrub
subshrub
species
Tephroseris lindstroemiivine
tree
shrub
subshrub
species
Tephroseris palustrisvine
tree
shrub
subshrub
speciesIllustrated
Tephroseris tundricolavine
tree
shrub
subshrub
species
Tephroseris yukonensisvine
tree
shrub
subshrub
speciesEndemic
Thespesia populneatreespeciesIllustrated
Introduced
Thuja occidentalistreespeciesIllustrated
Endemic
Thuja plicatatreespeciesEndemic
Thurovia trifloratree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Tilia americanatreespeciesIllustrated
Toiyabea alpinatree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Tonestus eximiustree
shrub
subshrub
speciesEndemic
Tonestus graniticustree
shrub
subshrub
speciesEndemic
Conservation concern
Tonestus lyalliitree
shrub
subshrub
speciesIllustrated
Endemic
Tonestus pygmaeustree
shrub
subshrub
speciesEndemic
Torreya californicatreespeciesIllustrated
Endemic
Torreya taxifoliatreespeciesEndemic
Conservation concern
Townsendia annuatree
shrub
subshrub
speciesEndemic
Townsendia apricatree
shrub
subshrub
speciesEndemic
Conservation concern
Townsendia condensatatree
shrub
subshrub
speciesEndemic
Townsendia eximiatree
shrub
subshrub
species
Townsendia exscapatree
shrub
subshrub
speciesIllustrated
Townsendia fendleritree
shrub
subshrub
species
Townsendia floriferatree
shrub
subshrub
species
Townsendia formosatree
shrub
subshrub
species
Townsendia glabellatree
shrub
subshrub
species
Townsendia grandifloratree
shrub
subshrub
speciesEndemic
Townsendia gypsophilatree
shrub
subshrub
species
Townsendia hookeritree
shrub
subshrub
speciesIllustrated
Endemic
Townsendia incanatree
shrub
subshrub
speciesEndemic
Townsendia jonesiitree
shrub
subshrub
speciesEndemic
Townsendia leptotestree
shrub
subshrub
speciesEndemic
Townsendia mensanatree
shrub
subshrub
speciesEndemic
Conservation concern
Townsendia microcephalatree
shrub
subshrub
speciesEndemic
Townsendia minimatree
shrub
subshrub
speciesEndemic
Conservation concern
Townsendia montanatree
shrub
subshrub
speciesEndemic
Townsendia parryitree
shrub
subshrub
speciesEndemic
Townsendia rothrockiitree
shrub
subshrub
species
Townsendia scapigeratree
shrub
subshrub
speciesEndemic
Townsendia smithiitree
shrub
subshrub
speciesEndemic
Conservation concern
Townsendia spathulatatree
shrub
subshrub
speciesEndemic
Townsendia strigosatree
shrub
subshrub
speciesEndemic
Townsendia texensistree
shrub
subshrub
speciesEndemic
Tracyina rostratatree
shrub
subshrub
speciesIllustrated
Endemic
Trema lamarckianashrub
tree
speciesEndemic
Triadica sebiferatreespeciesWeedy
Introduced
Illustrated
Triniteurybia aberranstree
shrub
subshrub
speciesIllustrated
Endemic
Tsuga canadensistreespeciesIllustrated
Endemic
Tsuga carolinianatreespeciesEndemic
Tsuga heterophyllatreespeciesEndemic
Tsuga mertensianatreespeciesEndemic
Tussilago farfaravine
tree
shrub
subshrub
speciesIntroduced
Illustrated
Ulmus alatatreespeciesW1
Endemic
Illustrated
Ulmus americanatreespeciesEndemic
Illustrated
Ulmus crassifoliatreespecies
Ulmus glabratreespeciesIntroduced
Ulmus parvifoliatreespeciesIntroduced
Ulmus proceratreespeciesIntroduced
Ulmus pumilatreespeciesW1
Ulmus rubratreespeciesEndemic
Illustrated
Ulmus serotinatreespeciesEndemic
Illustrated
Ulmus thomasiitreespeciesEndemic
Illustrated
Umbellularia californicashrub
tree
speciesIllustrated
Vaccinium arboreumtree
shrub
speciesEndemic
Vauquelinia californicatree
shrub
speciesIllustrated
Vauquelinia corymbosatree
shrub
speciesEndemic
Vernicia fordiitreespeciesWeedy
Introduced
Illustrated
Volutaria muricatatree
vine
shrub
subshrub
speciesIntroduced
Illustrated
Ximenia americanatree
shrub
speciesIllustrated
Yermo xanthocephalusvine
tree
shrub
subshrub
speciesIllustrated
Endemic
Conservation concern
Ziziphus celatatree
shrub
speciesEndemic
Conservation concern
Ziziphus divaricatatree
shrub
speciesIllustrated
Ziziphus jujubatree
shrub
speciesIntroduced
Ziziphus mauritianatree
shrub
speciesIntroduced