So far you have made the following choices...
Let's narrow our choices by looking for thorns or spines.
lacks
spines or thorns
has
spines or thorns
 |
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Possible matches:
| Abutilon palmeri - Palmer's Indian mallow |
| Acacia berlandieri - guajillo |
| Acacia constricta - whitethorn acacia |
| Acacia farnesiana - sweet acacia |
| Acacia greggii - catclaw acacia |
| Adenostoma fasciculatum - chamise |
| Adenostoma sparsifolium - redshanks |
| Ailanthus altissima - tree-of-Heaven |
| Albizia julibrissin - mimosa |
| Alnus cordata - Italian alder |
| Alnus glutinosa - European black alder |
| Alnus incana ssp. rugosa - speckled alder |
| Alnus incana ssp. tenuifolia - thinleaf alder |
| Alnus oblongifolia - Arizona alder |
| Alnus rhombifolia - white alder |
| Alnus rubra - red alder |
| Alnus serrulata - hazel alder |
| Alnus viridis ssp. sinuata - Sitka alder |
| Ambrosia ambrosioides - canyon ragweed |
| Ambrosia chenopodiifolia - San Diego bursage |
| Ambrosia deltoidea - triangleleaf bursage |
| Amelanchier alnifolia - Pacific serviceberry |
| Amelanchier arborea - downy serviceberry |
| Amelanchier laevis - Alleghany serviceberry |
| Amelanchier utahensis - Utah serviceberry |
| Amorpha fruticosa - desert false indigo |
| Andromeda polifolia - bog rosemary |
| Annona glabra - pond apple |
| Aralia spinosa - Devil's walking stick |
| Araucaria heterophylla - Norfolk pine |
| Arbutus arizonica - Arizona madrone |
| Arbutus menziesii - Pacific madrone |
| Arbutus xalapensis - Texas madrone |
| Arctostaphylos columbiana - hairy manzanita |
| Arctostaphylos densiflora - Vine Hill manzanita |
| Arctostaphylos glauca - bigberry manzanita |
| Arctostaphylos patula - green manzanita |
| Arctostaphylos pungens - pointleaf manzanita |
| Arctostaphylos uva-ursi - kinnikinick |
| Arctostaphylos viscida - whiteleaf manzanita |
| Artemisia californica - coastal sagebrush |
| Artemisia tridentata - big sagebrush |
| Asimina parviflora - dwarf pawpaw |
| Asimina triloba - pawpaw |
| Atriplex canescens - four-wing saltbush |
| Atriplex confertifolia - shadscale |
| Baccharis halimifolia - eastern baccharis |
| Baccharis pilularis - coyotebrush |
| Baccharis pteronioides - yerba de pasmo |
| Baccharis salicifolia - mule fat |
| Baccharis sarothroides - desertbroom |
| Berberis thunbergii - Japanese barberry |
| Betula alleghaniensis - yellow birch |
| Betula lenta - sweet birch |
| Betula nana - bog birch |
| Betula nigra - river birch |
| Betula occidentalis - water birch |
| Betula papyrifera - paper birch |
| Betula pendula - European weeping birch |
| Betula populifolia - gray birch |
| Betula uber - roundleaf birch |
| Betula utilis - Himalayan white birch |
| Borrichia arborescens - tree seaside tansy |
| Bougainvillea spp. - bougainvillea |
| Bucida buceras - black olive |
| Buddleja davidii - butterfly-bush |
| Bursera fagaroides - fragrant bursera |
| Bursera hindsiana - copal |
| Bursera microphylla - elephant tree |
| Bursera simaruba - gumbo-limbo |
| Caesalpinia pulcherrima - pride-of-Barbados |
| Calliandra californica - Baja fairy duster |
| Calliandra eriophylla - fairy duster |
| Callistemon spp. - bottlebrush tree |
| Camellia japonica - Japanese camellia |
| Caragana arborescens - pea tree |
| Carpinus betulus - Eurpean hornbeam |
| Carpinus caroliniana - hornbeam |
| Carpinus japonica - Japanese hornbeam |
| Carya alba - mockernut hickory |
| Carya aquatica - water hickory |
| Carya cordiformis - bitternut hickory |
| Carya glabra - pignut hickory |
| Carya illinoinensis - pecan |
| Carya laciniosa - shellbark hickory |
| Carya ovalis - red hickory |
| Carya ovata - shagbark hickory |
| Carya pallida - sand hickory |
| Castanea dentata - American chestnut |
| Castanea mollissima - Chinese chestnut |
| Castanea pumila - Alleghany chinkapin |
| Castela emoryi - crucifixion thorn |
| Ceanothus americanus - New Jersey tea |
| Ceanothus cordulatus - whitethorn ceanothus |
| Ceanothus impressus - Santa Barbara ceanothus |
| Ceanothus integerrimus - deerbrush |
| Ceanothus sanguineus - redstem ceanothus |
| Ceanothus spinosus - greenbark ceanothus |
| Ceanothus thyrsiflorus - blueblossom |
| Ceanothus velutinus - snowbrush |
| Cedrus deodara - Deodar cedar |
| Celtis africana - white stinkwood |
| Celtis ehrenbergiana - spiny hackberry |
| Celtis laevigata var. laevigata - sugarberry |
| Celtis laevigata var. reticulata - netleaf hackberry |
| Celtis occidentalis - hackberry |
| Cercis canadensis - eastern redbud |
| Cercis chinensis - Chinese redbud |
| Cercis orbiculata - western redbud |
| Cercocarpus ledifolius - curlleaf mountain-mahogany |
| Cercocarpus montanus - mountain-mahogany |
| Chaenomeles speciosa - common floweringquince |
| Chamaebatia foliolosa - mountain misery |
| Chamaebatiaria millefolium - fernbush |
| Chamaedaphne calyculata - leatherleaf |
| Chilopsis linearis - desert-willow |
| Chimaphila maculata - striped pipsissewa |
| Chimaphila umbellata - prince's pine |
| Chionanthus virginicus - fringetree |
| Chrysobalanus icaco - cocoplum |
| Chrysolepis chrysophylla - golden chinkapin |
| Cinnamomum camphora - camphortree |
| Citrus spp. - citrus |
| Cladrastis kentukea - yellowwood |
| Cleome isomeris - bladderpod spiderflower |
| Clethra alnifolia - summersweet clethra |
| Cliftonia monophylla - buckwheat tree |
| Coccoloba uvifera - seagrape |
| Coleogyne ramosissima - blackbrush |
| Comptonia peregrina - sweetfern |
| Condalia globosa - bitter condalia |
| Conocarpus erectus - buttonwood |
| Cornus alternifolia - alternate-leaf dogwood |
| Corylopsis glabrescens - fragrant winterhazel |
| Corylopsis pauciflora - buttercup winterhazel |
| Corylopsis sinensis - Chinese winterhazel |
| Corylus americana - American hazel |
| Corylus avellana - common filbert |
| Corylus colurna - Turkish hazel |
| Corylus cornuta - beaked hazel |
| Cotinus coggygria - European smoketree |
| Cotinus obovatus - American smoketree |
| Cotoneaster spp. - cotoneaster |
| Crataegus douglasii - black hawthorn |
| Crataegus monogyna - oneseed hawthorn |
| Crataegus spp. - hawthorn |
| Croton alabamensis - Alabama croton |
| Cryptomeria japonica - Japanese cryptomeria |
| Cunninghamia lanceolata - common Chinafir |
| Cyrilla racemiflora - swamp cyrilla |
| Cytisus scoparius - Scotch broom |
| Dasiphora fruticosa - shrubby cinquefoil |
| Davidia involucrata - dove tree |
| Delonix regia - flamboyant tree |
| Dendromecon rigida - tree poppy |
| Diospyros texana - Texas persimmon |
| Diospyros virginiana - common persimmon |
| Ditrysinia fruticosa - Gulf Sebastian-bush |
| Dodonaea viscosa - hopbush |
| Ebenopsis confinis - ejoton |
| Ebenopsis ebano - Texas ebony |
| Ehretia anacua - sandpaper tree |
| Elaeagnus angustifolia - Russian-olive |
| Elaeagnus pungens - thorny-olive |
| Elaeagnus umbellata - autumn-olive |
| Encelia californica - California brittlebrush |
| Encelia farinosa - brittlebush |
| Epigaea repens - trailing arbutus |
| Ericameria laricifolia - turpentine bush |
| Ericameria linearifolia - narrowleaf goldenbush |
| Ericameria nauseosa - gray rabbitbrush |
| Ericameria palmeri - Palmer's goldenbush |
| Eriogonum cinereum - coastal buckwheat |
| Eriogonum fasciculatum - flat-top buckwheat |
| Erythrina corallodendron - coral tree |
| Eubotrys racemosa - swamp doghobble |
| Eucalyptus caesia - gungurru |
| Eucalyptus camaldulensis - river red gum |
| Eucalyptus cladocalyx - sugar gum |
| Eucalyptus globulus - blue gum |
| Eucalyptus nitens - shining gum |
| Eucalyptus polyanthemos - silver dollar gum |
| Eucalyptus sideroxylon - red ironbark |
| Eucalyptus torelliana - cadagi |
| Eucalyptus woodwardii - lemon-flowered gum |
| Euphorbia misera - cliff spurge |
| Eysenhardtia orthocarpa - kidneywood |
| Eysenhardtia texana - Texas kidneywood |
| Fagus grandifolia - American beech |
| Fagus sylvatica - European beech |
| Faidherbia albida - winter thorn |
| Fallugia paradoxa - Apache plume |
| Ficus aurea - strangler fig |
| Ficus carica - common fig |
| Ficus macrophylla - Moreton Bay fig |
| Firmiana simplex - Chinese parasoltree |
| Fothergilla gardenii - dwarf fothergilla |
| Fouquieria columnaris - boojum tree |
| Fouquieria splendens - ocotillo |
| Frangula alnus - glossy buckthorn |
| Frangula californica - California buckthorn |
| Frangula caroliniana - Carolina buckthorn |
| Frangula purshiana - Cascara buckthorn |
| Franklinia alatamaha - Franklin tree |
| Gambelia juncea - baja bush snapdragon |
| Gaultheria procumbens - teaberry |
| Gaultheria shallon - salal |
| Gaylussacia spp. - huckleberry |
| Ginkgo biloba - ginkgo |
| Gleditsia aquatica - waterlocust |
| Gleditsia triacanthos - honeylocust |
| Gordonia lasianthus - loblolly bay |
| Gymnocladus dioicus - Kentucky coffeetree |
| Halesia diptera - two-wing silverbell |
| Halesia tetraptera - silverbell |
| Hamamelis vernalis - vernal witch-hazel |
| Hamamelis virginiana - witch-hazel |
| Hamamelis xintermedia - witch-hazel |
| Heteromeles arbutifolia - toyon |
| Hibiscus syriacus - rose-of-sharon |
| Holodiscus discolor - oceanspray |
| Holodiscus dumosus - bush oceanspray |
| Hovenia dulcis - Japanese raisintree |
| Ilex amelanchier - sarvis holly |
| Ilex cassine - dahoon |
| Ilex coriacea - large gallberry |
| Ilex cornuta - Chinese holly |
| Ilex crenata - Japanese holly |
| Ilex decidua - deciduous holly |
| Ilex glabra - inkberry |
| Ilex montana - mountain holly |
| Ilex myrtifolia - myrtle holly |
| Ilex opaca - American holly |
| Ilex purpurea - Oriental holly |
| Ilex verticillata - winterberry holly |
| Ilex vomitoria - yaupon |
| Ilex xattenuata - Foster's holly |
| Illicium floridanum - Florida anise tree |
| Itea virginica - sweetspire |
| Iva hayesiana - San Diego povertyweed |
| Jacaranda mimosifolia - jacaranda |
| Jatropha cuneata - limberbush |
| Juglans californica - California black walnut |
| Juglans cinerea - butternut |
| Juglans hindsii - Hind's black walnut |
| Juglans major - Arizona walnut |
| Juglans microcarpa - little walnut |
| Juglans nigra - black walnut |
| Juglans regia - English walnut |
| Kalmia latifolia - mountain laurel |
| Koeberlinia spinosa - allthorn |
| Koelreuteria paniculata - goldenraintree |
| Krameria grayi - white ratany |
| Laburnum xwatereri - goldenchain tree |
| Lagunaria patersonii - Norfolk Island hibiscus |
| Larix decidua - European larch |
| Larix kaempferi - Japanese larch |
| Larix laricina - tamarack |
| Larix lyallii - subalpine larch |
| Larix occidentalis - western larch |
| Larix xmarschlinsii - Dunkeld larch |
| Laurus nobilis - laurel |
| Lavatera assurgentiflora - island mallow |
| Ledum groenlandicum - Labrador tea |
| Leitneria floridana - corkwood |
| Leucaena retusa - littleleaf leadtree |
| Leucothoe axillaris - coast leucothoe |
| Lindera benzoin - spicebush |
| Liquidambar styraciflua - sweetgum |
| Liriodendron tulipifera - yellow-poplar |
| Lithocarpus densiflorus - tanoak |
| Lupinus arboreus - yellow bush lupine |
| Lycium andersonii - Anderson boxthorn |
| Lycium brevipes - Baja desert-thorn |
| Lycium fremontii - Fremont's desert-thorn |
| Lyonia ferruginea - staggerbush |
| Lyonia ligustrina - maleberry |
| Lyonia lucida - fetterbush lyonia |
| Lysiloma candidum - palo blanco |
| Lysiloma watsonii - desertfern |
| Maclura pomifera - osage-orange |
| Magnolia acuminata - cucumbertree |
| Magnolia ashei - Ashe magnolia |
| Magnolia fraseri - Fraser magnolia |
| Magnolia grandiflora - southern magnolia |
| Magnolia macrophylla - bigleaf magnolia |
| Magnolia pyramidata - pyramid magnolia |
| Magnolia stellata - star magnolia |
| Magnolia tripetala - umbrella magnolia |
| Magnolia virginiana - sweetbay magnolia |
| Magnolia xsoulangiana - saucer magnolia |
| Mahonia aquifolium - tall Oregon-grape |
| Mahonia fremontii - Fremont barberry |
| Mahonia haematocarpa - red barberry |
| Mahonia nervosa - dwarf Oregon-grape |
| Mahonia nevinii - Nevine's barberry |
| Mahonia repens - creeping mahonia |
| Malosma laurina - laurel sumac |
| Malus fusca - Oregon crabapple |
| Malus spp. - apple |
| Melaleuca quinquenervia - melaleuca |
| Melia azedarach - Chinaberry |
| Menziesia ferruginea - false azalea |
| Mimosa aculeaticarpa - catclaw mimosa |
| Morella californica - Pacific waxmyrtle |
| Morella cerifera - waxmyrtle |
| Morella inodora - odorless bayberry |
| Morella pensylvanica - northern bayberry |
| Morus alba - white mulberry |
| Morus microphylla - Texas mulberry |
| Morus rubra - red mulberry |
| Myrica gale - sweetgale |
| Nandina domestica - heavenly bamboo |
| Nicotiana rustica - Aztec tobacco |
| Nyssa aquatica - water tupelo |
| Nyssa biflora - swamp tupelo |
| Nyssa ogeche - Ogeechee tupelo |
| Nyssa sylvatica - blackgum |
| Oemleria cerasiformis - Indian-plum |
| Olneya tesota - desert ironwood |
| Oplopanax horridus - Devilsclub |
| Osteomeles anthyllidifolia - Hawaii hawthorne |
| Ostrya virginiana - hophornbeam |
| Oxydendrum arboreum - sourwood |
| Pachycormus discolor - torote blanco |
| Pachysandra terminalis - Japanese pachysandra |
| Parkinsonia aculeata - Jerusalem thorn |
| Parkinsonia florida - blue paloverde |
| Parkinsonia microphylla - yellow paloverde |
| Parrotia persica - Persian ironwood |
| Parthenium argentatum - guayule |
| Persea borbonia - redbay |
| Persea palustris - swampbay |
| Petrophytum caespitosum - rockmat |
| Photinia melanocarpa - black chokeberry |
| Photinia pyrifolia - chokeberry |
| Photinia xfraseri - red tips |
| Physocarpus capitatus - ninebark |
| Physocarpus malvaceus - mallow ninebark |
| Physocarpus monogynus - mountain ninebark |
| Physocarpus opulifolius - common ninebark |
| Pieris floribunda - mountain pieris |
| Pieris japonica - Japanese pieris |
| Pistacia chinensis - Chinese pistache |
| Planera aquatica - water elm |
| Platanus hybrida - London plane tree |
| Platanus occidentalis - American sycamore |
| Platanus racemosa - California sycamore |
| Platanus wrightii - Arizona sycamore |
| Pluchea sericea - arrow-weed |
| Podocarpus macrophyllus - shrubby yew |
| Poncirus trifoliata - trifoliate orange |
| Populus alba - European white poplar |
| Populus angustifolia - narrowleaf cottonwood |
| Populus balsamifera ssp. balsamifera - balsam poplar |
| Populus balsamifera ssp. trichocarpa - black cottonwood |
| Populus deltoides - eastern cottonwood |
| Populus fremontii - Fremont cottonwood |
| Populus grandidentata - bigtooth aspen |
| Populus heterophylla - swamp cottonwood |
| Populus nigra var. Italica - Lombardy poplar |
| Populus tremuloides - quaking aspen |
| Prosopis glandulosa - honey mesquite |
| Prosopis pubescens - screwbean mesquite |
| Prosopis velutina - velvet mesquite |
| Prunus americana - American plum |
| Prunus angustifolia - Chickasaw plum |
| Prunus avium - sweet cherry |
| Prunus caroliniana - Carolina laurelcherry |
| Prunus cerasifera - purple leaf plum |
| Prunus cerasus - sour cherry |
| Prunus emarginata - bitter cherry |
| Prunus fremontii - desert apricot |
| Prunus ilicifolia - hollyleaf cherry |
| Prunus laurocerasus - cherrylaurel |
| Prunus maritima - beach plum |
| Prunus mexicana - Mexican plum |
| Prunus pensylvanica - fire cherry |
| Prunus persica - peach |
| Prunus sargentii - Sargent cherry |
| Prunus serotina - black cherry |
| Prunus serrulata - Kwanzan cherry |
| Prunus subcordata - Klamath plum |
| Prunus subhirtella - Higan cherry |
| Prunus virginiana - choke cherry |
| Prunus xyedoensis - Yoshino cherry |
| Pseudocydonia sinensis - Chinese-quince |
| Psilostrophe cooperi - paper-daisy |
| Psorothamnus fremontii - Fremont's dalea |
| Psorothamnus schottii - Schott indigobush |
| Psorothamnus spinosus - desert smoke tree |
| Ptelea trifoliata - hoptree |
| Punica granatum - pomegranate |
| Purshia tridentata - bitterbrush |
| Pyracantha coccinea - scarlet firethorn |
| Pyrularia pubera - buffalo nut |
| Pyrus calleryana - Callery pear |
| Pyrus communis - common pear |
| Quercus acutissima - sawtooth oak |
| Quercus agrifolia - coast live oak |
| Quercus alba - white oak |
| Quercus arizonica - Arizona white oak |
| Quercus berberidifolia - scrub oak |
| Quercus bicolor - swamp white oak |
| Quercus chrysolepis - canyon live oak |
| Quercus coccinea - scarlet oak |
| Quercus douglasii - blue oak |
| Quercus emoryi - Emory oak |
| Quercus engelmannii - Engelmann oak |
| Quercus falcata - southern red oak |
| Quercus fusiformis - Texas live oak |
| Quercus gambelii - Gambel oak |
| Quercus garryana - Oregon white oak |
| Quercus grisea - gray oak |
| Quercus hemisphaerica - Darlington oak |
| Quercus hypoleucoides - silverleaf oak |
| Quercus ilicifolia - bear oak |
| Quercus imbricaria - shingle oak |
| Quercus incana - bluejack oak |
| Quercus kelloggii - California black oak |
| Quercus laevis - turkey oak |
| Quercus laurifolia - laurel oak |
| Quercus lobata - valley oak |
| Quercus lyrata - overcup oak |
| Quercus macrocarpa - bur oak |
| Quercus margarettae - sand post oak |
| Quercus marilandica - blackjack oak |
| Quercus michauxii - swamp chestnut oak |
| Quercus minima - running oak |
| Quercus muehlenbergii - chinkapin oak |
| Quercus nigra - water oak |
| Quercus oblongifolia - Mexican blue oak |
| Quercus oglethorpensis - Oglethorpe oak |
| Quercus pagoda - cherrybark oak |
| Quercus palustris - pin oak |
| Quercus phellos - willow oak |
| Quercus prinus - chestnut oak |
| Quercus robur - English oak |
| Quercus rubra - northern red oak |
| Quercus rugosa - netleaf oak |
| Quercus shumardii - Shumard oak |
| Quercus sinuata - Durand white oak |
| Quercus stellata - post oak |
| Quercus suber - cork oak |
| Quercus texana - Nuttall oak |
| Quercus tomentella - island live oak |
| Quercus turbinella - shrub live oak |
| Quercus velutina - black oak |
| Quercus virginiana - live oak |
| Quercus wislizeni - interior live oak |
| Quillaja saponaria - soapbark |
| Rhamnus cathartica - common buckthorn |
| Rhamnus crocea - redberry |
| Rhododendron albiflorum - white rhododendron |
| Rhododendron atlanticum - dwarf azalea |
| Rhododendron austrinum - Florida azalea |
| Rhododendron calendulaceum - flame azalea |
| Rhododendron canescens - swamp azalea |
| Rhododendron catawbiense - Catawba rhododendron |
| Rhododendron macrophyllum - Pacific rhododendron |
| Rhododendron maximum - great rhododendron |
| Rhododendron occidentale - western azalea |
| Rhododendron periclymenoides - pink azalea |
| Rhus aromatica - fragrant sumac |
| Rhus copallinum - shining sumac |
| Rhus glabra - smooth sumac |
| Rhus integrifolia - lemonade sumac |
| Rhus kearneyi - Kearney's sumac |
| Rhus lancea - African sumac |
| Rhus lanceolata - prairie sumac |
| Rhus lentii - lentisco |
| Rhus microphylla - littleleaf sumac |
| Rhus ovata - sugar sumac |
| Rhus trilobata - skunkbush sumac |
| Rhus typhina - staghorn sumac |
| Rhus virens - New Mexico evergreen sumac |
| Ribes acerifolium - mapleleaf currant |
| Ribes aureum - golden currant |
| Ribes bracteosum - stink currant |
| Ribes cereum - wax currant |
| Ribes lacustre - prickly currant |
| Ribes montigenum - mountain gooseberry |
| Ribes roezlii - Sierra gooseberry |
| Ribes rotundifolium - Appalachian gooseberry |
| Ribes sanguineum - red-flowering currant |
| Ribes viburnifolium - evergreen currant |
| Ribes viscosissimum - sticky currant |
| Robinia hispida - bristly locust |
| Robinia neomexicana - New Mexican locust |
| Robinia pseudoacacia - black locust |
| Rosa canina - dog rose |
| Rosa gymnocarpa - little wood rose |
| Rosa minutifolia - small-leaved rose |
| Rosa multiflora - multiflora rose |
| Rosa nutkana - Nootka rose |
| Rosa pisocarpa - cluster rose |
| Rosa rugosa - rugosa rose |
| Rosa woodsii - Woods' rose |
| Rubus allegheniensis - Alleghany blackberry |
| Rubus argutus - prickly Florida blackberry |
| Rubus armeniacus - Himalaya blackberry |
| Rubus flagellaris - dewberry |
| Rubus idaeus - raspberry |
| Rubus laciniatus - evergreen blackberry |
| Rubus leucodermis - whitebark raspberry |
| Rubus occidentalis - black raspberry |
| Rubus odoratus - purple flowering raspberry |
| Rubus parviflorus - thimbleberry |
| Rubus phoenicolasius - wine raspberry |
| Rubus spectabilis - salmonberry |
| Rubus ursinus - wild blackberry |
| Salix alba - white willow |
| Salix babylonica - weeping willow |
| Salix bebbiana - Bebb's willow |
| Salix discolor - pussy willow |
| Salix exigua - sandbar willow |
| Salix gooddingii - Goodding's willow |
| Salix lasiolepis - arroyo willow |
| Salix lemmonii - Lemmon's willow |
| Salix lutea - yellow willow |
| Salix matsudana - corkscrew willow |
| Salix nigra - black willow |
| Salix purpurea - purpleosier willow |
| Salix scouleriana - Scouler willow |
| Salix sitchensis - Sitka willow |
| Sapindus saponaria - soapberry |
| Sassafras albidum - sassafras |
| Schinus molle - peppertree |
| Schinus terebinthifolius - Brazilian peppertree |
| Sciadopitys verticillata - umbrella pine |
| Senna hebecarpa - American senna |
| Sequoia sempervirens - redwood |
| Sequoiadendron giganteum - giant sequoia |
| Sesbania punicea - rattlebox |
| Sideroxylon lanuginosum - gum bumelia |
| Sideroxylon lycioides - buckthorn bumelia |
| Sophora secundiflora - mescal bean |
| Sorbus alnifolia - Korean mountain-ash |
| Sorbus americana - American mountain-ash |
| Sorbus aucuparia - European mountain-ash |
| Sorbus decora - showy mountain-ash |
| Sorbus scopulina - Greene's mountain-ash |
| Sorbus sitchensis - Sitka mountain-ash |
| Sphaeralcea ambigua - desert globemallow |
| Spiraea alba var. alba - narrowleaf spiraea |
| Spiraea alba var. latifolia - meadowsweet |
| Spiraea douglasii - Douglas spiraea |
| Spiraea japonica - Japanese spiraea |
| Spiraea splendens - rose meadowsweet |
| Stewartia spp. - stewartia |
| Styphnolobium affine - Texas sophora |
| Styphnolobium japonicum - Japanese pagoda tree |
| Styrax americanus - American snowbell |
| Styrax japonicus - Japanese snowbell |
| Swietenia mahagoni - West Indies mahogany |
| Symplocos tinctoria - common sweetleaf |
| Tamarix aphylla - athel tamarisk |
| Tamarix chinensis - saltcedar |
| Tamarix gallica - tamarisk |
| Tamarix parviflora - smallflower tamarisk |
| Taxodium ascendens - pondcypress |
| Taxodium distichum - baldcypress |
| Tilia americana - American basswood |
| Tilia cordata - littleleaf linden |
| Tilia petiolaris - silver linden |
| Torreya taxifolia - Florida torreya |
| Toxicodendron diversilobum - Pacific poisonoak |
| Toxicodendron pubescens - poison-oak |
| Toxicodendron radicans - poison-ivy |
| Toxicodendron vernix - poison sumac |
| Triadica sebifera - Chinese tallow tree |
| Ulex europaeus - common gorse |
| Ulmus alata - winged elm |
| Ulmus americana - American elm |
| Ulmus crassifolia - cedar elm |
| Ulmus parvifolia - Chinese elm |
| Ulmus procera - English elm |
| Ulmus pumila - Siberian elm |
| Ulmus rubra - slippery elm |
| Ulmus thomasii - rock elm |
| Umbellularia californica - California-laurel |
| Ungnadia speciosa - Mexican buckeye |
| Vaccinium arboreum - sparkleberry |
| Vaccinium cespitosum - dwarf bilberry |
| Vaccinium corymbosum - highbush blueberry |
| Vaccinium elliottii - Elliott's blueberry |
| Vaccinium macrocarpon - cranberry |
| Vaccinium membranaceum - big huckleberry |
| Vaccinium ovalifolium - ovalleaf huckleberry |
| Vaccinium ovatum - evergreen huckleberry |
| Vaccinium oxycoccos - small cranberry |
| Vaccinium pallidum - lowbush blueberry |
| Vaccinium parvifolium - red huckleberry |
| Vaccinium scoparium - grouse whortleberry |
| Vaccinium stamineum - deerberry |
| Vaccinium uliginosum - bog blueberry |
| Vaccinium vitis-idaea - lingonberry |
| Vauquelinia californica - Arizona rosewood |
| Vernicia fordii - tungoil tree |
| Viguiera laciniata - San Diego sunflower |
| Xanthorhiza simplicissima - yellowroot |
| Zanthoxylum clava-herculis - pricklyash |
| Zelkova serrata - Japanese zelkova |
| Ziziphus obtusifolia - lotebush |
