Site Index...
Species Name Common Name Family Name
Abelia x grandiflora  'Edward Goucher' Edward Goucher abelia Caprifoliaceae
Abies amabilis    Amabilis fir, Pacific silver fir Pinaceae
Abies balsamea    balsam fir Pinaceae
Abies cephalonica  'Meyer's Dwarf'   Meyer's Dwarf fir, dwarf Greek fir Pinaceae
Abies concolor    Colorado fir, white fir Pinaceae
Abies fraseri     Fraser fir Pinaceae
Abies grandis    grand fir Pinaceae
Abies koreana    Korean fir Pinaceae
Abies nordmanniana    Nordmann fir Pinaceae
Abutilon x hybridum  Chinese lantern, parlour maple Malvaceae
Acalypha hispida    chenille plant Euphorbiaceae
Acalypha pendula    chenille Euphorbiaceae
Acanthus mollis    common bear’s breeches Acanthaceae
Acer x freemanii  Freeman maple, columnar red maple Sapindaceae
Acer buergerianum    trident maple Sapindaceae
Acer circinatum     vine maple Sapindaceae
Acer glabrum  var.  douglasii  Douglas maple, Rocky Mountain maple Sapindaceae
Acer griseum    paperbark maple Sapindaceae
Acer japonicum  'Aconitifolium'   fernleaf maple Sapindaceae
Acer macrophyllum    bigleaf maple Sapindaceae
Acer negundo  'Variegatum'   variegated box elder Sapindaceae
Acer palmatum  Atropurpureum Group    red-leaf Japanese maple Sapindaceae
Acer palmatum  Dissectum Atropurpureum Group   dissected red Japanese maple Sapindaceae
Acer palmatum    Japanese maple Sapindaceae
Acer palmatum  'Shishio'   Chishio Japanese maple Sapindaceae
Acer palmatum  'Shojo Nomura'   Shojo Nomura maple Sapindaceae
Acer palmatum  'Tsuma Beni'   red nail maple Sapindaceae
Acer palmatum  'Koto No Ito'   Koto No Ito maple Sapindaceae
Acer pensylvanicum    moosewood maple Sapindaceae
Acer platanoides    Norway maple Sapindaceae
Acer platanoides  'Crimson King'   Crimson King Norway maple Sapindaceae
Acer platanoides  'Princeton Gold'   Princeton Gold Norway maple Sapindaceae
Acer platanoides  'Crimson Sentry'   Crimson Sentry maple Sapindaceae
Acer pseudoplatanus    sycamore maple Sapindaceae
Acer rubrum    red maple Sapindaceae
Acer rubrum  'Red Sunset'   Red Sunset maple Sapindaceae
Acer rubrum  'Bowhall'   Bowhall maple Sapindaceae
Acer saccharinum    silver maple Sapindaceae
Acer saccharum    sugar maple Sapindaceae
Acer shirasawanum  'Aureum'   gold full moon maple Sapindaceae
Acer tataricum  ssp. ginnala  Amur maple, Tatarian maple Sapindaceae
Acer tegmentosum  'Joe Witt'   Manchurian snakebark maple, Manchu striped maple, Joe Witt striped maple Sapindaceae
Achillea filipendulina  'Gold Plate'   Gold Plate yarrow Asteraceae
Achillea millefolium    common yarrow Asteraceae
Achillea millefolium  cvs.   yarrow cultivars Asteraceae
Aconitum carmichaelii  'Arendsii'   autumn monkshood Ranunculaceae
Aconitum napellus     monkshood Ranunculaceae
Acorus calamus  'Argenteostriatus'   variegated sweet flag Acoraceae
Acorus gramineus  'Variegatus'   variegated sweet flag, variegated Japanese flag Acoraceae
Actaea simplex (Atropurpurea Group)   dark-leaved bugbane, cimicifuga Ranunculaceae
Actinidia arguta    hardy kiwi Actinidiaceae
Actinidia deliciosa    fuzzy kiwi Actinidiaceae
Actinidia kolomikta    actinidia Actinidiaceae
Actinidia macrosperma    actinidia Actinidiaceae
Adiantum  spp.   maidenhair fern Pteridaceae
Adiantum pedatum    maidenhair fern Pteridaceae
Aechmea fasciata    silver urn plant, silver vase Bromeliaceae
Aegopodium podagraria ‘Variegatum’   goutweed, bishop's weed Apiaceae
Aeschynanthus  spp.   lipstick plant Gesneriaceae
Aesculus x carnea  'Briotii' ruby horse chestnut, red horse chestnut Sapindaceae
Aesculus chinensis    Chinese horse chestnut Sapindaceae
Aesculus flava     yellow buckeye Sapindaceae
Aesculus hippocastanum    common horse chestnut Sapindaceae
Agapanthus hybrids and cvs.   African lily Amaryllidaceae
Agastache  hybrid cvs.   anise-hyssop Lamiaceae
Agastache mexicana    agastache, Mexican hyssop Lamiaceae
Agave americana    century plant Asparagaceae
Agave filifera    threadleaf agave Asparagaceae
Ageratina altissima  'Chocolate'    white snakeroot Asteraceae
Ageratum houstonianum    ageratum, floss flower Asteraceae
Aglaonema  cvs.   Chinese evergreen Araceae
Agrostis canina    velvet bentgrass Poaceae
Agrostis capillaris    colonial bentgrass Poaceae
Agrostis stolonifera    creeping bentgrass Poaceae
Ailanthus altissima    tree of heaven Simaroubaceae
Ajuga x tenorii  'Chocolate Chip' Chocolate Chip carpet bugle Lamiaceae
Ajuga pyramidalis  'Metallica Crispa'   crisp leaf carpet bugle Lamiaceae
Ajuga reptans 'Catlin's Giant'   giant bugleweed Lamiaceae
Ajuga reptans    bugleweed, carpet bugleweed Lamiaceae
Ajuga reptans  'Black Scallop'   Black Scallop bugleweed Lamiaceae
Akebia quinata    chocolate vine Lardizabalaceae
Albizia julibrissin    mimosa, silk tree Fabaceae
Alcea rosea    hollyhock Malvaceae
Alchemilla mollis    lady's mantle Rosaceae
Allium   hybrid cvs.   hybrid ornamental onion Amaryllidaceae
Allium ampeloprasum    leek Amaryllidaceae
Allium cepa    bulb onion Amaryllidaceae
Allium cernuum    nodding onion Amaryllidaceae
Allium fistulosum    green onion, Welsh onion, Japanese bunching onion Amaryllidaceae
Allium hollandicum  hybrids and cvs.   ornamental onion, Persian onion Amaryllidaceae
Allium sativum    garlic Amaryllidaceae
Allium schoenoprasum    chives Amaryllidaceae
Allium sphaerocephalon    drumstick allium Amaryllidaceae
Allium tuberosum    garlic chives, Chinese chives Amaryllidaceae
Alnus rubra    red alder Betulaceae
Alocasia  'Amazonica'   African mask Araceae
Aloe vera    healing plant Xanthorrhoeaceae
Alstroemeria  cvs.   alstroemeria, Peruvian lily Alstroemeriaceae
Alstroemeria aurea    alstroemeria, Peruvian lily Alstroemeriaceae
Alyssum montanum  'Berggold'    mountain gold alyssum Brassicaceae
Amelanchier alnifolia    serviceberry, Saskatoon Rosaceae
Anagallis monelli    blue pimpernel Primulaceae
Anaphalis margaritacea    pearly everlasting Asteraceae
Andromeda polifolia    bog rosemary Ericaceae
Anemanthele lessoniana     New Zealand wind grass, wind grass, pheasant grass Poaceae
Anemone x hybrida  Japanese windflower Ranunculaceae
Anemone blanda    Greek windflower, blue wood anemone Ranunculaceae
Anemone coronaria    anemone Ranunculaceae
Anemone pulsatilla    pilsatilla, pasque flower Ranunculaceae
Anemone sylvestris    snowdrop anemone Ranunculaceae
Anethum graveolens    dill Apiaceae
Angelica gigas    giant angelica Apiaceae
Angelonia angustifolia    summer snapdragon Plantaginaceae
Antennaria dioica    pussy toes Asteraceae
Anthurium  sp.   anthurium Araceae
Antirrhinum majus    snapdragon Plantaginaceae
Aphelandra squarrosa    zebra plant Acanthaceae
Aquilegia  hybrids   hybrid columbine Ranunculaceae
Aquilegia vulgaris    European columbine Ranunculaceae
Arabis x arendsii  'Compinkie' Compinkie rock cress Brassicaceae
Arabis blepharophylla    coast rock cress Brassicaceae
Arabis caucasica    rock cress Brassicaceae
Aralia elata    Japanese angelica tree Araliaceae
Araucaria araucana    monkey puzzle tree Araucariaceae
Araucaria heterophylla    Norfolk Island pine Araucariaceae
Arbutus menziesii    arbutus, madrona Ericaceae
Arbutus unedo    strawberry tree Ericaceae
Arctostaphylos uva-ursi    bearberry, kinnikinnick Ericaceae
Arctotis  hybrid cvs.   African daisy Asteraceae
Arenaria montana    mountain sandwort Caryophyllaceae
Argyranthemum frutescens  cvs.   Marguerite daisy Asteraceae
Argyrocytisus battandieri    atlas broom, pineapple broom Fabaceae
Arisaema sikokianum    Japanese Jack-in-the-pulpit Araceae
Aristolochia macrophylla    Dutchman's pipe Aristolochiaceae
Armeria hybrid cvs.   hybrid thrift Plumbaginaceae
Armeria maritima    thrift Plumbaginaceae
Armeria pseudarmeria    perennial armeria Plumbaginaceae
Armoracia rusticana       horseradish Brassicaceae
Aronia melanocarpa    black chokeberry Rosaceae
Arrhenatherum elatius  var.  bulbosum  'Variegatum' variegated bulbous oat grass Poaceae
Artemisia  'Powis Castle'   Powis Castle artemisia Asteraceae
Artemisia dracunculus    French tarragon Asteraceae
Artemisia lactiflora  Guizhou Group   Guizhou white mugwort Asteraceae
Artemisia ludoviciana  'Valerie Finnis'   Valerie Finnis artemisia Asteraceae
Artemisia schmidtiana    silvermound, wormwood, silver mound Asteraceae
Artemisia stelleriana  'Silver Brocade'   Silver Brocade artemisia Asteraceae
Arum italicum  'Pictum'   painted arum Araceae
Aruncus dioicus    goat's beard Rosaceae
Asarum canadense    Canadian wild ginger Aristolochiaceae
Asarum caudatum    western wild ginger Aristolochiaceae
Asarum europaeum    European ginger Aristolochiaceae
Asimina triloba    pawpaw, Custard apple Annonaceae
Asparagus densiflorus  'Myersii'   foxtail fern Asparagaceae
Asparagus densiflorus  'Sprengeri'   Sprengeri asparagus fern Asparagaceae
Asparagus officinalis    asparagus Asparagaceae
Asparagus retrofractus    Ming fern Asparagaceae
Asparagus setaceus    plumosus fern Asparagaceae
Asparagus virgatus    tree fern Asparagaceae
Asplenium nidus    bird's-nest fern Aspleniaceae
Asplenium scolopendrium    Hart's tongue fern Aspleniaceae
Aster  spp. ( syn. Symphyotrichum ) common aster Asteraceae
Aster x frikartii  'Monch' Frikart aster Asteraceae
Aster alpinus    alpine aster Asteraceae
Astilbe x arendsii  hybrid astilbe, garden astilbe Saxifragaceae
Astilbe chinensis    Chinese astilbe Saxifragaceae
Astilboides tabularis    shieldleaf rodgersia Saxifragaceae
Astrantia major     masterwort, astrantia Apiaceae
Athyrium filix-femina    lady fern Athyriaceae
Athyrium niponicum  var. pictum  Japanese painted fern Athyriaceae
Aubrieta x cultorum  common rock cress Brassicaceae
Aucuba japonica 'Variegata'   variegated aucuba Cornaceae
Aucuba japonica    Japanese aucuba, Japanese laurel Cornaceae
Aurinia saxatilis    perennial alyssum, basket-of-gold, gold dust alyssum Brassicaceae
Azolla filiculoides     Fairy moss, mosquito fern Salviniaceae
Balantium antarcticum ( syn. Dicksonia ) Tasmanian tree fern Dicksoniaceae
Beaucarnea recurvata    ponytail palm Asparagaceae
Begonia x hybrida   Dragon Wing begonia, foliage begonia Begoniaceae
Begonia x tuberhybrida  tuberous begonia Begoniaceae
Begonia x hiemalis  Hiemalis begonia, Rieger begonia Begoniaceae
Begonia corallina  ( syn.  B. maculata ) angel wing begonia Begoniaceae
Begonia masoniana    iron cross begonia Begoniaceae
Begonia rex  hybrids and cvs.   rex begonia Begoniaceae
Begonia semperflorens  cultorum hybrids    wax begonia, fibrous begonia Begoniaceae
Bellis perennis    English daisy Asteraceae
Berberis x gladwynensis  'William Penn' William Penn barberry Berberidaceae
Berberis  spp.   barberry (GAZW) Berberidaceae
Berberis x stenophylla  narrow-leaf barberry Berberidaceae
Berberis  spp.   barberry (GAZE) Berberidaceae
Berberis buxifolia  'Nana'   dwarf Magellan barberry Berberidaceae
Berberis julianae    wintergreen barberry Berberidaceae
Berberis thunbergii     Japanese barberry Berberidaceae
Berberis thunbergii  var. atropurpurea  red leaf Japanese barberry Berberidaceae
Berberis thunbergii  'Golden Nugget'   Golden Nugget Japanese barberry Berberidaceae
Berberis verruculosa    warty barberry Berberidaceae
Bergenia cordifolia    heartleaf bergenia Saxifragaceae
Beta vulgaris  (Cicla Group)   Swiss chard Amaranthaceae
Beta vulgaris    beet Amaranthaceae
Betula albosinensis    Chinese paper birch Betulaceae
Betula alleghaniensis    yellow birch Betulaceae
Betula lenta    cherry birch, sweet birch, black birch Betulaceae
Betula nigra    river birch Betulaceae
Betula papyrifera    paper birch Betulaceae
Betula pendula    European white birch, silver birch Betulaceae
Betula utilis  var.  jacquemontii  Jacquemont birch Betulaceae
Bidens ferulifolia  hybrids and cvs.   bidens Asteraceae
Bistorta officinalis    European bisort Polygonaceae
Blechnum gibbum  'Silver Lady'   Silver Lady fern, dwarf tree fern Blechnaceae
Blechnum spicant    deer fern Blechnaceae
Bletilla striata    hardy orchid Orchidaceae
Boltonia asteroides  'Snowbank'   Snowbank aster Asteraceae
Bougainvillea  cv.   paper flower Nyctaginaceae
Brachyglottis  hybrids and cvs.   ragwort, daisy bush Asteraceae
Brachyscome iberidifolia    Swan River daisy Asteraceae
Brachyscome multifida    cut-leaf daisy, rock daisy Asteraceae
Bracteantha bracteata    strawflower Asteraceae
Brassica oleracea  (Italica Group)   broccoli Brassicaceae
Brassica oleracea  (Capitata Group)   cabbage, head cabbage Brassicaceae
Brassica oleracea  (Gemmifera Group)   Brussels sprout Brassicaceae
Brassica oleracea  (Botrytis Group)   cauliflower Brassicaceae
Brassica oleracea  (Acephala Group)   kale, collard Brassicaceae
Brassica rapa  var. rapa  turnip Brassicaceae
Briza media    quaking grass Poaceae
Brugmansia  spp.   angels' trumpets Solanaceae
Brunnera macrophylla    Siberian bugloss Boraginaceae
Bryophyta  (Division)   moss (various)
Buddleja  hybrid   hybrid butterfly bush Scrophulariaceae
Buddleja davidii    butterfly bush Scrophulariaceae
Buxus microphylla    Asian boxwood Buxaceae
Buxus sempervirens    common boxwood Buxaceae
Caladium bicolor    caladium, angel wings Araceae
Calamagrostis x acutiflora  feather reed grass Poaceae
Calathea makoyana    peacock plant Marantaceae
Calathea roseopicta    calathea Marantaceae
Calceolaria (Herbeohybrida Group)   pocketbook plant, pouch flower, lady's slipper Calceolariaceae
Calceolaria integrifolia     pouch flower Calceolariaceae
Calibrachoa x hybrida  calibrachoa, mini petunia, trailing petunia Solanaceae
Callicarpa bodinieri  var.  giraldii  'Profusion' beautyberry Lamiaceae
Calluna vulgaris    heather Ericaceae
Calocedrus decurrens    California incense cedar Cupressaceae
Caltha palustris    yellow marsh marigold Ranunculaceae
Calystegia sepium    morning glory, hedge bindweed Convolvulaceae
Camassia  spp. and cvs.   wild hyacinth, camas Asparagaceae
Camellia japonica  ssp.  quercifolia  'White Mermaid' White Mermaid camellia Theaceae
Camellia japonica    common camellia, Japanese camellia Theaceae
Camellia sasanqua    sasanqua camellia Theaceae
Campanula carpatica    Carpathian harebell, canterbury bells Campanulaceae
Campanula glomerata    clustered bellflower Campanulaceae
Campanula medium    Canterbury bells Campanulaceae
Campanula persicifolia    peach-leaved bellflower Campanulaceae
Campanula poscharskyana    Serbian campanula, Serbian bellflower Campanulaceae
Campanula punctata    spotted bellflower, Korean bellflower Campanulaceae
Campanula trachelium    nettle-leaved bellflower Campanulaceae
Campsis x tagliabuana  'Madam Galen' Madam Galam trumpet vine Bignoniaceae
Campsis radicans    common trumpet creeper, trumpet vine Bignoniaceae
Canna x generalis  canna Cannaceae
Cannabis sativa     medical marijuana Cannabaceae
Capsella bursa-pastoris     shepherd's purse Brassicaceae
Capsicum  spp. ( spicy hot cvs. )   spicy hot pepper, chili pepper Solanaceae
Capsicum annuum cv.   ornamental pepper Solanaceae
Capsicum annuum  var.  annuum  Grossum Group sweet bell pepper Solanaceae
Caragana arborescens    Siberian peashrub Fabaceae
Cardamine oligosperma    snapweed, little western bittercress Brassicaceae
Carex  spp.   sedge (unidentified species) Cyperaceae
Carex berggrenii    dwarf bronze creeping sedge Cyperaceae
Carex buchananii    leatherleaf sedge Cyperaceae
Carex comans  'Frosted Curls'   Frosted Curls sedge Cyperaceae
Carex comans  'Bronze'   New England hair sedge Cyperaceae
Carex conica  'Snowline'   variegated Japanese sedge Cyperaceae
Carex elata  'Aurea'   Bowles' golden sedge Cyperaceae
Carex flacca     blue creeping sedge Cyperaceae
Carex morrowii  'Ice Dance'   frosted sedge, creeping Japanese sedge Cyperaceae
Carex oshimensis  'Evergold'    Evergold Japanese sedge Cyperaceae
Carex testacea    copper hair sedge, New Zealand orange sedge Cyperaceae
Carpinus betulus     pyramidal European hornbeam Betulaceae
Carpinus japonicus    Japanese hornbeam Betulaceae
Carum carvi    caraway Apiaceae
Caryopteris x clandonensis  bluebeard Verbenaceae
Caryopteris incana  'Jason'   Sunshine Blue Bluebeard Verbenaceae
Caryota mitis    fishtail palm Arecaceae
Castanea sativa    sweet chestnut Fagaceae
Castanospermum australe    lucky bean Fabaceae
Catalpa speciosa    western catalpa Bignoniaceae
Ceanothus x delilianus  'Gloire de Versailles' Glory of Versaille lilac Rhamnaceae
Ceanothus gloriosus  'Point Reyes'   Point Reyes creeper Rhamnaceae
Ceanothus thyrsiflorus  'Victoria'   Victoria lilac, summer lilac, California lilac Rhamnaceae
Cedrus atlantica  Glauca Group    blue Atlas cedar Pinaceae
Cedrus deodara    Deodar cedar Pinaceae
Cedrus libani  'Nana'   dwarf cedar of Lebanon Pinaceae
Cedrus libani  ssp.  atlantica  'Glauca Pendula' weeping blue atlas cedar Pinaceae
Celastrus scandens    American bittersweet Celastraceae
Celosia argentea    cockscomb, plumed celosia Amaranthaceae
Centaurea dealbata    Persian cornflower Asteraceae
Centaurea montana    bachelor's buttons Asteraceae
Centaurea stoebe    spotted knapweed Asteraceae
Centranthus ruber  'Alba'   white valerian Caprifoliaceae
Cephalanthus occidentalis    button bush Rubiaceae
Cephalocereus senilis    old-man cactus Cactaceae
Cephalotaxus harringtonia  'Fastigiata'   columnar false yew, Japanese plum-yew Cephalotaxaceae
Cerastium glomeratum  ssp. vulgare  mouse-eared chickweed Caryophyllaceae
Cerastium tomentosum    snow-in-summer Caryophyllaceae
Cercidiphyllum japonicum    Katsura, Japanese Katsura tree Cercidiphyllaceae
Cercis canadensis    redbud Fabaceae
Ceropegia linearis  ssp.  woodii  string of hearts, rosary vine Asclepiadaceae
Chaenomeles x superba  'Crimson and Gold' dwarf quince Rosaceae
Chaenomeles speciosa    flowering quince Rosaceae
Chamaecyparis lawsoniana    Lawson cypress Cupressaceae
Chamaecyparis obtusa cvs.   Hinoki false cypress Cupressaceae
Chamaecyparis pisifera  'Filifera Aurea'   gold threadleaf false cypress Cupressaceae
Chamaecyparis pisifera  'Plumosa Aurea'   gold plume false cypress Cupressaceae
Chamaecyparis pisifera    threadleaf false cypress, sawara cypress Cupressaceae
Chamaecyparis pisifera  'Boulevard'   Boulevard false cypress Cupressaceae
Chamaedorea elegans    parlour palm, neanthe bella palm Arecaceae
Chamaemelum nobile    Roman chamomile Asteraceae
Chamelaucium uncinatum    wax flower Myrtaceae
Chamerion angustifolium    fireweed Onagraceae
Chasmanthium latifolium    northern sea oats Poaceae
Chenopodium berlandieri    lambsquarters, pigweed, pitseed goosefoot Amaranthaceae
Chlorophytum comosum    spider plant, airplane plant Asparagaceae
Choisya x dewitteana  'Aztec Pearl' Mexican mock orange Rutaceae
Choisya ternata    Mexican mock orange Rutaceae
Chrysanthemum x grandiflorum  garden mum, florist's mum Asteraceae
Chrysanthemum morifolium    garden mum, florist's mum Asteraceae
Cirsium arvense    Canada thistle Asteraceae
Cirsium vulgare    bull thistle Asteraceae
Cissus antarctica    kangaroo vine Vitaceae
Cissus discolor    tapestry vine, Rex Begonia vine Vitaceae
Cissus rhombifolia    grape ivy Vitaceae
Cistus x pulverulentus  'Sunset' Sunset rock rose Cistaceae
Cistus x canescens  rock rose Cistaceae
Cistus x corbariensis  rock rose Cistaceae
Citrullus lanatus    watermelon Cucurbitaceae
Citrus x paradisi  grapefruit Rutaceae
Citrus limon and hybrids   lemon, Ponderosa lemon Rutaceae
Clematis  spp.   clematis Ranunculaceae
Clematis  'Nelly Moser'   Nelly Moser clematis Ranunculaceae
Clematis alpina    alpine clematis Ranunculaceae
Clematis armandii    evergreen clematis Ranunculaceae
Clematis montana  var.  rubens  pink anemone clematis Ranunculaceae
Clematis tangutica    Tangutica clematis Ranunculaceae
Clematis vitalba    traveller's joy Ranunculaceae
Cleome hassleriana    spider flower Capparidaceae
Clethra alnifolia     summersweet, sweet pepperbush Clethraceae
Clethra barbinervis    Japanese sweet shrub, Chinese summersweet Clethraceae
Codiaeum variegatum var. pictum  croton Euphorbiaceae
Coffea arabica    coffee plant Rubiaceae
Colocasia esculenta     taro root, coloyam, elephant's ear Araceae
Consolida regalis    larkspur Ranunculaceae
Convallaria majalis    lily-of-the-valley Asparagaceae
Cordyline indivisa    dracaena spike Asparagaceae
Coreopsis  spp. & cvs.   coreopsis Asteraceae
Coreopsis auriculata  'Zamfir'   Zamfir coreopsis Asteraceae
Coreopsis grandiflora    large flowered coreopsis Asteraceae
Coreopsis lanceolata    lanceleaf coreopsis Asteraceae
Coreopsis rosea    pink coreopsis, pink tickseed Asteraceae
Coreopsis verticillata     threadleaf coreopsis Asteraceae
Coriandrum sativum    cilantro, coriander, Chinese parsley Apiaceae
Cornus  'Eddie's White Wonder'   Eddie's White Wonder dogwood Cornaceae
Cornus x rutgersensis  'Rutcan' Constellation dogwood Cornaceae
Cornus alba    Siberian dogwood, white dogwood, variegated dogwood Cornaceae
Cornus canadensis    bunchberry Cornaceae
Cornus controversa     giant dogwood Cornaceae
Cornus florida    eastern flowering dogwood, pink flowering dogwood Cornaceae
Cornus kousa  var.  chinensis  Chinese dogwood Cornaceae
Cornus kousa  cvs.   Chinese dogwood Cornaceae
Cornus mas    Cornelian dogwood, Cornelian cherry Cornaceae
Cornus nuttallii    Pacific dogwood Cornaceae
Cornus racemosa    grey dogwood Cornaceae
Cornus sericea      red osier dogwood Cornaceae
Cornus sericea  'Silver and Gold'   variegated dogwood Cornaceae
Cornus sericea  'Flaviramea'   yellow twig dogwood Cornaceae
Cortaderia selloana     pampas grass Poaceae
Corydalis lutea    yellow corydalis Papaveraceae
Corylopsis pauciflora    buttercup winter hazel Hamamelidaceae
Corylopsis spicata    spike witchhazel, spike winter hazel Hamamelidaceae
Corylus avellana    European filbert, common hazel Betulaceae
Corylus avellana  'Contorta'   contorted European Filbert, Harry Lauder's walking stick, corkscrew hazel Betulaceae
Corylus colurna    Turkish filbert, Turkish hazel Betulaceae
Corylus cornuta  var.  californica  beaked hazelnut, western beaked hazel Betulaceae
Corylus maxima  'Purpurea'   purple filbert, hazel Betulaceae
Cosmos bipinnatus    cosmos, Mexican aster Asteraceae
Cotinus coggygria    smoke bush Anacardiaceae
Cotoneaster acutifolius    Peking cotoneaster Rosaceae
Cotoneaster dammeri    bearberry cotoneaster Rosaceae
Cotoneaster franchetii    Franchet cotoneaster Rosaceae
Cotoneaster horizontalis    rockspray cotoneaster Rosaceae
Cotoneaster lacteus    Parney cotoneaster Rosaceae
Cotoneaster microphyllus    small-leaf cotoneaster, thyme-leaf cotoneaster Rosaceae
Cotoneaster salicifolius  var. floccosus  willowleaf cotoneaster Rosaceae
Crassula ovata    jade plant Crassulaceae
Crataegus x lavallei   Lavalle hawthorn Rosaceae
Crataegus x mordenensis  Morden hawthorn Rosaceae
Crataegus douglasii    black hawthorn Rosaceae
Crataegus laevigata    English hawthorn Rosaceae
Crataegus monogyna    common hawthorn Rosaceae
Crataegus phaenopyrum    Washington hawthorn Rosaceae
Crocosmia  'Lucifer'   Lucifer montbretia Iridaceae
Crocosmia x crocosmiiflora  montbretia Iridaceae
Crocus  speciosus   fall flowering crocus, Bieberstein's crocus Iridaceae
Crocus chrysanthus    snow crocus, golden crocus Iridaceae
Crocus vernus    Dutch crocus, crocus Iridaceae
Crossandra infundibuliformis    firecracker flower Acanthaceae
Cryptanthus bivittatus    earth star Bromeliaceae
Cryptanthus zonatus  'Zebrinus'   zebra plant Bromeliaceae
Cryptomeria japonica  'Cristata'   Cockscomb Japanese cedar, crested Japanese cedar Cupressaceae
Cryptomeria japonica  'Elegans'   plume Japanese cedar Cupressaceae
Cryptomeria japonica    Japanese cedar Cupressaceae
Cryptomeria japonica  'Vilmoriniana'   globe Japanese cedar Cupressaceae
Ctenanthe oppenheimiana     never never plant Marantaceae
Cucumis melo  Reticulatus group   muskmelon, cantaloupe Cucurbitaceae
Cucumis sativus    long English cucumber, European cucumber Cucurbitaceae
Cucurbita maxima    pumpkin, winter squash Cucurbitaceae
Cucurbita pepo    summer squash, zucchini Cucurbitaceae
Cunninghamia lanceolata    China fir Cupressaceae
Cuphea x purpurea  firecracker Lythraceae
Cuphea hyssopifolia    Mexican heather Lythraceae
Cupressus x leylandii  Leyland cypress Cupressaceae
Cupressus arizonica    Arizona cypress Cupressaceae
Cupressus nootkatensis  ( syn. Chamaecyparis ) Pendula Group weeping Nootka cypress Cupressaceae
Cupressus nootkatensis  ( syn. Chamaecyparis, Callitropsis ) Nootka cypress, yellow cedar Cupressaceae
Curio rowleyanus    string-of-pearls, rosary vine, string of beads Asteraceae
Cycas revoluta    Japanese sago palm Cycadaceae
Cyclamen hederifolium    hardy cyclamen Primulaceae
Cyclamen persicum     cyclamen Primulaceae
Cyclamen repandum    hardy cyclamen, spring sowbread Primulaceae
Cydonia oblonga    quince Rosaceae
Cymbidium  hybrid   boat orchid Orchidaceae
Cynara cardunculus    cardoon, artichoke Asteraceae
Cyperus  spp.   papyrus Cyperaceae
Cyrtomium falcatum    Japanese holly fern Dryopteridaceae
Cytisus x praecox  Warminster Broom Fabaceae
Cytisus scoparius    Scotch broom Fabaceae
Dactylis glomerata    orchard grass Poaceae
Dahlia  cvs.   dahlia Asteraceae
Daphne cneorum    rose daphne, garland flower Thymelaeaceae
Daphne laureola    spurge laurel Thymelaeaceae
Daphne odora  'Aureomarginata'   variegated winter daphne Thymelaeaceae
Darmera peltata    umbrella plant Saxifragaceae
Datura inoxia    thorn apple Solanaceae
Daucus carota  ssp.  sativus  carrot Apiaceae
Davallia  sp.   rabbit's foot fern Davalliaceae
Davidia involucrata    dove tree, kleenex tree, handkerchief tree Davidiaceae
Delosperma spp.   hardy ice plant Aizoaceae
Delphinium  hybrids and cvs.   delphinium Ranunculaceae
Delphinium elatum    perennial larkspur, delphinium Ranunculaceae
Deschampsia cespitosa    tufted hair grass Poaceae
Deutzia gracilis    slender deutzia Hydrangeaceae
Deutzia scabra  'Pride of Rochester'   Pride of Rochester deutzia, fuzzy deutzia Hydrangeaceae
Dianthus barbatus    sweet William Caryophyllaceae
Dianthus caryophyllus    carnation Caryophyllaceae
Dianthus chinensis    dianthus, China pink Caryophyllaceae
Dianthus deltoides     maiden pink Caryophyllaceae
Dianthus gratianopolitanus    cheddar pink Caryophyllaceae
Dianthus plumarius    cottage pink Caryophyllaceae
Diascia x hybrida  twinspur, diascia Scrophulariaceae
Dicentra  hybrids   bleeding heart Fumariaceae
Dicentra eximia    fringed bleeding heart Fumariaceae
Dicentra formosa    Pacific bleeding heart Fumariaceae
Dieffenbachia seguine      dumb cane Araceae
Diervilla sessilifolia  'Butterfly'   dwarf bush honeysuckle Caprifoliaceae
Digitalis purpurea    foxglove Plantaginaceae
Digitaria ischaemum    smooth crabgrass Poaceae
Disanthus cercidifolius    red bud hazel Hamamelidaceae
Dodecatheon meadia    shooting star Primulaceae
Dodecatheon pulchellum    shooting star Primulaceae
Doronicum  cvs.   leopard's bane Asteraceae
Dracaena fragrans    corn plant, cornstalk dracaena, striped dracaena Asparagaceae
Dracaena marginata    dragon tree, red margined dracaena Asparagaceae
Dracaena reflexa    pleomele Asparagaceae
Dracaena sanderiana    lucky bamboo, ribbon plant Asparagaceae
Dracaena surculosa    gold-dust dracaena Asparagaceae
Dryopteris cycadina    shaggy shield fern Dryopteridaceae
Dryopteris dilatata  'Jimmy Dyce'    Jimmy's upright broad buckler fern Dryopteridaceae
Dryopteris erythrosora     copper shield fern, autumn fern Dryopteridaceae
Dryopteris expansa    northwest wood fern Dryopteridaceae
Dryopteris filix-mas  'Crispa Cristata'   crested male fern Dryopteridaceae
Dypsis lutescens ( syn. Chrysalidocarpus ) Areca palm Arecaceae
Echeveria  sp.   hens and chicks Crassulaceae
Echinacea purpurea    coneflower, echinacea, purple coneflower Asteraceae
Echinacea purpurea  cvs.   coneflower Asteraceae
Echinocactus grusonii    golden barrel cactus Cactaceae
Echinochloa crus-galli    barnyard grass Poaceae
Echinops bannaticus     globe thistle Asteraceae
Eichhornia crassipes    water hyacinth; water orchid Pontederiaceae
Elaeagnus x ebbingei  elaeagnus, Ebbinge's silverberry Elaeagnaceae
Elaeagnus angustifolia    Russian olive Elaeagnaceae
Elaeagnus commutata    silverberry, wolf willow Elaeagnaceae
Elaeagnus pungens    thorny elaeagnus, silverthorn Elaeagnaceae
Eleutherococcus sieboldianus    fire leaf aralia Araliaceae
Elymus repens  ssp. repens  quackgrass, couchgrass Poaceae
Empetrum nigrum    crowberry, crawberry Ericaceae
Enkianthus campanulatus    enkianthus Ericaceae
Epilobium ciliatum    common willowherb, fringed willowherb Onagraceae
Epimedium  'Amber Queen'   Amber Queen barrenwort Berberidaceae
Epimedium x rubrum  barrenwort Berberidaceae
Epimedium x youngianum  cvs. barrenwort Berberidaceae
Epimedium x perralchicum  yellow epimedium Berberidaceae
Epimedium  hybrids   hybrid barrenwort Berberidaceae
Epimedium x cantabrigiense  barrenwort Berberidaceae
Epimedium x versicolor  'Sulphureum' bicolor epimedium, bicolor barrenwort Berberidaceae
Epipremnum aureum    devil's ivy, golden pothos Araceae
Equisetum  spp.   horsetail Equisetaceae
Equisetum arvense    common horsetail Equisetaceae
Equisetum hyemale    scouring rush, horsetail Equisetaceae
Eremurus x isabellinus  foxtail lily Xanthorrhoeaceae
Erica x darleyensis  heath, Darley Dale heath Ericaceae
Erica carnea    winter heather Ericaceae
Erica tetralix    cross leaved heath Ericaceae
Erigeron glaucus    seaside daisy, beach aster Asteraceae
Eryngium alpinum    alpine sea holly Apiaceae
Eryngium planum    blue sea holly, flat sea holly Apiaceae
Eryngium variifolium    marble-leaf sea holly, Moroccan sea holly Apiaceae
Erysimum  'Bowles Mauve'   Bowles Mauve wallflower Brassicaceae
Erysimum cheiri    English wallflower Brassicaceae
Erythronium  hybrid and cvs.   hybrid fawn lily Liliaceae
Erythronium americanum    trout lily, adder's tongue Liliaceae
Escallonia x exoniensis  'Frades' pink princess escallonia Escalloniaceae
Eschscholzia californica    California poppy Papaveraceae
Eucalyptus  sp.   eucalyptus Myrtaceae
Euonymus alatus    burning bush, winged Euonymus, winged burning bush Celastraceae
Euonymus europaeus    common spindle tree, European euonymus Celastraceae
Euonymus fortunei  cvs.   wintercreeper, winter creeper Celastraceae
Euonymus japonicus  'Silver King'   Silver King euonymus Celastraceae
Eupatorium cannabinum  'Flore Pleno'   double hemp agrimony, boneset Asteraceae
Euphorbia  x martinii  hybrid spurge Euphorbiaceae
Euphorbia  'Redwing'   Redwing spurge Euphorbiaceae
Euphorbia amygdaloides     wood spurge, Mrs. Robb's bonnet, purple wood spurge Euphorbiaceae
Euphorbia characias     Mediterranean spurge Euphorbiaceae
Euphorbia dulcis    sweet spurge Euphorbiaceae
Euphorbia griffithii  'Fireglow'   Fireglow spurge Euphorbiaceae
Euphorbia hypericifolia    graceful spurge, euphorbia Euphorbiaceae
Euphorbia lactea    candelabra cactus Euphorbiaceae
Euphorbia mammillaris    corncob plant Euphorbiaceae
Euphorbia milii    crown of thorns Euphorbiaceae
Euphorbia myrsinites    myrtle spurge, donkey-tail spurge Euphorbiaceae
Euphorbia polychroma    golden spurge, cushion spurge Euphorbiaceae
Euphorbia pulcherrima    poinsettia Euphorbiaceae
Eustoma grandiflorum    lisianthus, prairie gentian, Texas bluebell Gentianaceae
Eutrochium purpureum ( syn.  Eupatorium ) Joe Pye weed Asteraceae
Exochorda  x 'Blizzard'   Snowy Day Blizzard pearlbush Rosaceae
Fagus grandifolia    American beech Fagaceae
Fagus sylvatica    European beech Fagaceae
Fagus sylvatica  'Dawyck Purple'   Dawyck purple beech Fagaceae
Fagus sylvatica  'Aspleniifolia'   fern-leaf beech Fagaceae
Fagus sylvatica  'Rohan Obelisk'   red obelisk beech Fagaceae
Fagus sylvatica  'Dawyck Gold'   gold columnar beech Fagaceae
Fagus sylvatica  'Rotundifolia'   round leaf beech Fagaceae
Fagus sylvatica  Atropurpurea Group   copper beech Fagaceae
Fagus sylvatica  'Purpurea Pendula'   weeping copper beech Fagaceae
Fagus sylvatica  'Purple Fountain'   weeping purple beech Fagaceae
Falkia repens    African morning glory, creeping falkia Convolvulaceae
Fallopia baldschuanica    silver lace vine Polygonaceae
Fallopia japonica ( syn. Reynoutria ) Japanese knotweed Polygonaceae
Fargesia nitida    fountain bamboo Poaceae
Fatsia japonica    fatsia Araliaceae
Faucaria tigrina    tiger's jaws Aizoaceae
Felicia amelloides    blue daisy, blue marguerite Asteraceae
Ferocactus  sp.   barrel cactus Cactaceae
Festuca arundinacea    tall fescue Poaceae
Festuca glauca    blue fescue, blue sheep fescue Poaceae
Festuca idahoensis    Idaho fescue, blue bunchgrass Poaceae
Festuca longifolia    hard fescue Poaceae
Festuca ovina    sheep fescue Poaceae
Festuca rubra  var. rubra   creeping red fescue Poaceae
Festuca valesiaca  'Nefer'   Nefer fescue Poaceae
Ficus benjamina    weeping fig, weeping ficus Moraceae
Ficus binnendijkii  'Alii'   sabre fig Moraceae
Ficus carica    common fig, garden fig Moraceae
Ficus elastica    rubber plant, India rubber plant, rubber tree Moraceae
Ficus lyrata    fiddle-leaf fig Moraceae
Ficus pumila    creeping fig Moraceae
Filipendula purpurea    Japanese meadowsweet Rosaceae
Filipendula ulmaria  'Aurea'   golden European meadowsweet Rosaceae
Filipendula vulgaris    dropwort Rosaceae
Fittonia albivenis  'Argyroneura'   white nerve plant Acanthaceae
Foeniculum vulgare    fennel Apiaceae
Forsythia x intermedia  forsythia Oleaceae
Fothergilla gardenii    dwarf fothergilla, witch alder Hamamelidaceae
Fothergilla major    fothergilla, witch alder Hamamelidaceae
Fragaria x ananassa  garden strawberry Rosaceae
Fragaria  'Pink Panda'   Pink Panda strawberry Rosaceae
Fragaria chiloensis    coastal strawberry, wild strawberry Rosaceae
Frangula purshiana  ( syn. Rhamnus ) cascara Rhamnaceae
Fraxinus  hybrid cvs.   hybrid ash Oleaceae
Fraxinus americana    white ash Oleaceae
Fraxinus excelsior    common or European ash Oleaceae
Fraxinus nigra  'Fallgold'   Fallgold black ash, swamp ash Oleaceae
Fraxinus ornus    flowering ash, manna ash Oleaceae
Fraxinus pennsylvanica cvs.   green ash Oleaceae
Fraxinus pennsylvanica    green ash Oleaceae
Freesia x hybrida  freesia Iridaceae
Fremontodendron californicum    fremontia, California flannel bush Sterculiaceae
Fritillaria imperialis    crown imperial Liliaceae
Fritillaria meleagris    Guinea hen flower Liliaceae
Fuchsia x hybrida  hybrid fuchsia Onagraceae
Fuchsia magellanica  var. macrostema  hardy fuchsia Onagraceae
Fuchsia magellanica  var.  molinae  'Sharpitor' pink hardy fuchsia Onagraceae
Fuchsia magellanica  'Riccartonii'   Riccartoni hardy fuchsia Onagraceae
Fumaria spp.   fumitory Papaveraceae
Gaillardia x grandiflora  blanket flower Asteraceae
Gaillardia aristata    blanket flower Asteraceae
Galanthus nivalis    snowdrop Amaryllidaceae
Galium aparine    northern bedstraw, cleavers Rubiaceae
Galium odoratum    sweet woodruff Rubiaceae
Gardenia jasminoides     gardenia Rubiaceae
Garrya elliptica    coast silk-tassel, silk tasselbush or wavyleaf silktassel Garryaceae
Gaultheria mucronata    pernettya; prickly heath Ericaceae
Gaultheria procumbens    wintergreen Ericaceae
Gaultheria shallon    salal Ericaceae
Gaura lindheimeri    wand flower, bee blossom, Onagraceae
Gazania  cv.   gazania, African daisy, treasure flower Asteraceae
Genista lydia    lydia genista Fabaceae
Genista pilosa    spreading broom Fabaceae
Geranium x oxonianum  pink cranesbill Geraniaceae
Geranium   hybrid cvs.   hybrid geranium Geraniaceae
Geranium cinereum    dwarf cranesbill Geraniaceae
Geranium endressii     Endres's cranesbill Geraniaceae
Geranium macrorrhizum  'Ingwersen's Variety'   Ingwersen's Variety bigroot geranium Geraniaceae
Geranium molle    dove' s foot cranebill Geraniaceae
Geranium phaeum    mourning widow Geraniaceae
Geranium pratense    meadow cranesbill Geraniaceae
Geranium psilostemon    Armenium cranesbill Geraniaceae
Geranium pyrenaicum    geranium Geraniaceae
Geranium robertianum    Robert geranium, herb Robert Geraniaceae
Geranium sanguineum    bloody cranesbill Geraniaceae
Gerbera jamesonii hybrids and cvs.   Transvaal daisy Asteraceae
Geum coccineum    dwarf orange geum, avens Rosaceae
Geum macrophyllum    large-leaved avens Rosaceae
Gibasis geniculata    Tahitian bridal veil Commelinaceae
Ginkgo biloba    maidenhair tree, ginkgo Ginkgoaceae
Gladiolus  cv.   gladiolus Iridaceae
Glechoma hederacea    creeping Charlie, ground ivy Lamiaceae
Gleditsia triacanthos  f.  inermis  thornless honey locust Fabaceae
Gleditsia triacanthos  'Rubylace'   Rubylace honey locust Fabaceae
Glyceria maxima  'Variegata'   variegated manna grass Poaceae
Gnaphalium uliginosum    marsh cudweed Asteraceae
Gunnera manicata    gunnera, giant rhubarb Gunneraceae
Guzmania lingulata    scarlet star Bromeliaceae
Gymnocarpium dryopteris    oak fern Cystopteridaceae
Gymnocladus dioica    Kentucky coffee tree Fabaceae
Gynura aurantiaca    purple passion plant Asteraceae
Gypsophila paniculata    perennial baby's breath Caryophyllaceae
Hakonechloa macra  'Aureola'   golden variegated hakonechloa Poaceae
Halesia carolina    Carolina silverbell Styracaceae
Halesia tetraptera  var. monticola  mountain silverbell Styracaceae
Hamamelis x intermedia  hybrid witch hazel Hamamelidaceae
Hamamelis mollis    Chinese witch hazel Hamamelidaceae
Hamamelis virginiana    American witch hazel Hamamelidaceae
Hatiora  x graeseri  Easter cactus Cactaceae
Haworthia attenuata    zebra haworthia Xanthorrhoeaceae
Hebe  'Mrs. Winder' ( syn.  Veronica ) Mrs. Winder hebe Plantaginaceae
Hebe  'Blue Mist' ( syn.  Veronica ) Blue Mist hebe Plantaginaceae
Hebe ochracea  ( syn. Veronica ) ochre whipcord hebe Plantaginaceae
Hebe odora ( syn.  Veronica ) hebe Plantaginaceae
Hedera colchica  'Sulfur Heart'   variegated Persian ivy Araliaceae
Hedera helix    English ivy Araliaceae
Helenium autumnale  'Zimbelstern'   Zimbelstern sneezeweed Asteraceae
Helianthemum nummularium     rock rose Cistaceae
Helianthus annuus  cvs.   sunflower Asteraceae
Helianthus tuberosus    Jerusalem artichoke, topinambour Asteraceae
Helichrysum italicum    curry plant, tall curry Asteraceae
Helichrysum petiolare  cvs.   licorice plant Asteraceae
Helichrysum thianschanicum    silver spike Asteraceae
Heliconia  spp.   heliconia Heliconiaceae
Helictotrichon sempervirens    blue oat grass Poaceae
Heliopsis helianthoides  var. scabra  'Sommersonne' summer sun heliopsis, false sunflower, oxeye sunflower Asteraceae
Heliotropium arborescens  cvs.   heliotrope, cherry pie Boraginaceae
Helleborus x hybridus  hybrid Lenten rose Ranunculaceae
Helleborus foetidus    stinking hellebore Ranunculaceae
Helleborus niger    Christmas rose Ranunculaceae
Helleborus orientalis  ssp.  orientalis  lenten rose Ranunculaceae
Hemerocallis  'Stella d'Oro'   Stella d'Oro daylily Xanthorrhoeaceae
Hemerocallis  hybrids and cultivars   daylily Xanthorrhoeaceae
Hemigraphis alternata    waffle plant Acanthaceae
Heracleum lanatum ( syn. of  H. sphondylium montanum, H. maximum ) cow parsnip Apiaceae
Heracleum mantegazzianum    giant hogweed Apiaceae
Herniaria glabra    rupturewort, green carpet Caryophyllaceae
Hesperantha coccinea    crimson flag Iridaceae
Heuchera  hybrid cvs.   heuchera Saxifragaceae
Heuchera x villosa  coral bells Saxifragaceae
Heuchera  'Creme Brulee'   fancy-leaved coral bells Saxifragaceae
Heuchera  'Key Lime Pie'   fancy-leaved coral bells Saxifragaceae
Heuchera  'Lime Rickey'   fancy-leaved coral bells Saxifragaceae
Heuchera x brizoides  hybrid coral bells Saxifragaceae
Heuchera  'Birkin'   fancy-leaved hybrid coral bells Saxifragaceae
Heuchera  'Blackout'   Blackout heuchera Saxifragaceae
Heuchera x brizoides  'Plum Pudding' fancy-leaved coral bells Saxifragaceae
Heuchera americana  cvs.   fancy-leaved coral bells Saxifragaceae
Heuchera micrantha  var.  diversifolia  'Palace Purple' Palace Purple alumroot Saxifragaceae
Heuchera micrantha  cvs.   fancy-leafed coral bells, small-flowered alumroot, crevice alumroot Saxifragaceae
Heuchera micrantha  'Obsidian'   fancy-leaved coral bells Saxifragaceae
Heuchera micrantha  'Crimson Curls'   fancy-leaved coral bells Saxifragaceae
Heuchera micrantha  'Chocolate Ruffles'   fancy leafed coral bells Saxifragaceae
Heuchera micrantha  'Pewter Moon'   fancy-leaved coral bells Saxifragaceae
Heuchera sanguinea    coral bells, red coral bells Saxifragaceae
Hibiscus acetosella  'Red Shield'   Red Shield hibiscus, false roselle Malvaceae
Hibiscus rosa-sinensis    Chinese hibiscus Malvaceae
Hibiscus syriacus  cvs.   rose of Sharon Malvaceae
Hippeastrum  cvs.   amaryllis Amaryllidaceae
Holcus lanatus    velvet grass Poaceae
Holodiscus discolor    oceanspray Rosaceae
Hosta  'Halcyon'   Halcyon hosta Asparagaceae
Hosta  'Invincible'   Invincible hosta Asparagaceae
Hosta  'June'   June hosta Asparagaceae
Hosta  'Dawn's Early Light'   Dawn's Early Light hosta Asparagaceae
Hosta  'Aristocrat'   Aristocrat hosta Asparagaceae
Hosta  'Gold Edger'   Gold Edger hosta Asparagaceae
Hosta  'Blue Boy'   Blue Boy hosta Asparagaceae
Hosta  spp. & cvs.   hosta, plantain lily Asparagaceae
Hosta  'Frances Williams'   Frances Williams hosta Asparagaceae
Hosta  'Sum and Substance'   Sum and Substance hosta Asparagaceae
Hosta sieboldiana    blue hosta Asparagaceae
Hosta tokudama  'Love Pat'   Love Pat hosta Asparagaceae
Hottonia palustris    water violet Primulaceae
Houstonia serpyllifolia    thyme-leaved bluets Rubiaceae
Houttuynia cordata  'Chameleon'   tricolor houttuynia, chameleon plant Saururaceae
Hoya carnosa    wax plant Asclepiadaceae
Humulus lupulus     common hop Cannabaceae
Hyacinthoides non-scripta     English bluebell Asparagaceae
Hyacinthus orientalis    hyacinth Asparagaceae
Hydrangea arborescens    hills of snow, smooth hydrangea Hydrangeaceae
Hydrangea aspera    Chinese hydrangea, rough-leaved hydrangea Hydrangeaceae
Hydrangea macrophylla    bigleaf hydrangea Hydrangeaceae
Hydrangea paniculata    pee gee hydrangea, hydrangea Hydrangeaceae
Hydrangea petiolaris    climbing hydrangea Hydrangeaceae
Hydrangea quercifolia    oakleaf hydrangea Hydrangeaceae
Hydrangea serrata    mountain hydrangea, tea of heaven Hydrangeaceae
Hymenocallis latifolia     spider lily Amaryllidaceae
Hypericum  'Hidcote'   Hidcote St. John's wort Clusiaceae
Hypericum calycinum    St. John's wort Clusiaceae
Hypericum perforatum    St. John's wort Clusiaceae
Hypochaeris radicata    false dandelion Asteraceae
Hypoestes phyllostachya    polka-dot plant Acanthaceae
Iberis sempervirens    evergreen candytuft, rock candytuft, candytuft Brassicaceae
Ilex x meserveae  'Blue Prince' Blue Prince blue holly Aquifoliaceae
Ilex x meserveae  'Centennial Girl' Centennial Girl holly Aquifoliaceae
Ilex x altaclerensis  'Camelliifolia' camellia leaf holly Aquifoliaceae
Ilex aquifolium  'Ferox Argentea'   silver hedgehog holly Aquifoliaceae
Ilex aquifolium    English holly Aquifoliaceae
Ilex aquifolium  'Argentea Marginata'   silver-margined English holly Aquifoliaceae
Ilex crenata    Japanese holly Aquifoliaceae
Ilex glabra cvs.   inkberry Aquifoliaceae
Impatiens x hybrida  hybrid impatiens Balsaminaceae
Impatiens capensis    jewelweed, orange balsam Balsaminaceae
Impatiens glandulifera    Himalayan balsam, policeman's helmet Balsaminaceae
Impatiens hawkeri    New Guinea impatiens Balsaminaceae
Impatiens walleriana    impatiens Balsaminaceae
Imperata cylindrica  'Red Baron'   Japanese blood grass Poaceae
Inula helenium    elecampane Asteraceae
Ipomoea batatas  cvs.   sweet potato vine Convolvulaceae
Iresine herbstii    bloodleaf Amaranthaceae
Iris x germanica  German iris, tall bearded iris Iridaceae
Iris x hollandica  Dutch iris Iridaceae
Iris bucharica    Juno iris Iridaceae
Iris ensata     Japanese water iris Iridaceae
Iris pallida  'Variegata'   variegated sweet iris Iridaceae
Iris pseudacorus    yellow flag iris Iridaceae
Iris reticulata    dwarf iris Iridaceae
Iris sibirica    Siberian iris Iridaceae
Jacobaea maritima   ( syn. Senecio cineraria ) dusty miller Asteraceae
Jasminum nudiflorum    winter jasmine Oleaceae
Jasminum polyanthum    jasmine Oleaceae
Juglans nigra    black walnut Juglandaceae
Juncus effusus  'Spiralis'   corkscrew rush Juncaceae
Juncus effusus    common rush, bog rush Juncaceae
Juncus ensifolius    dagger-leaved rush, swordleaf rush Juncaceae
Juniperus chinensis  'Kaizuka'   Hollywood juniper Cupressaceae
Juniperus communis    common juniper Cupressaceae
Juniperus horizontalis  cvs.   creeping juniper, horizontal juniper Cupressaceae
Juniperus procumbens  'Nana'   dwarf Japanese garden juniper Cupressaceae
Juniperus sabina    savin juniper Cupressaceae
Juniperus scopulorum  cvs.   Rocky Mountain juniper, Wichita Blue juniper, Tolleson's Blue Weeping juniper Cupressaceae
Juniperus squamata    squamata juniper, Blue Star juniper Cupressaceae
Justicia brandegeana     shrimp plant Acanthaceae
Kalanchoe blossfeldiana    kalanchoe Crassulaceae
Kalanchoe tomentosa    panda plant Crassulaceae
Kalmia latifolia    mountain laurel Ericaceae
Kalmia microphylla    western bog laurel Ericaceae
Kerria japonica    kerria Rosaceae
Kirengeshoma palmata    yellow waxbells Hydrangeaceae
Knautia macedonica    crimson scabiosa Dipsacaceae
Kniphofia uvaria hybrids and cvs.   red hot poker Xanthorrhoeaceae
Koeleria glauca    glaucous hair grass Poaceae
Koelreuteria paniculata    golden rain tree Sapindaceae
Kolkwitzia amabilis    beautybush Caprifoliaceae
Laburnum x watereri  golden chain tree Fabaceae
Lactuca muralis    wall lettuce Asteraceae
Lactuca sativa    lettuce Asteraceae
Lagenaria  spp.   gourd Cucurbitaceae
Lamium galeobdolon  'Variegatum'   variegated yellow archangel, lamium Lamiaceae
Lamium maculatum    spotted deadnettle, dead nettle Lamiaceae
Lamprocapnos spectabilis  ( syn. Dicentra ) bleeding heart Fumariaceae
Lantana camara    lantana Verbenaceae
Larix decidua    European larch Pinaceae
Larix kaempferi    Japanese larch Pinaceae
Larix laricina    tamarack, eastern larch Pinaceae
Larix occidentalis    western larch (seedling) Pinaceae
Lathyrus odoratus    sweet pea Fabaceae
Laurus nobilis    bay laurel Lauraceae
Lavandula angustifolia    English lavender Lamiaceae
Lavandula stoechas    French lavender, Spanish lavender Lamiaceae
Lemna minor    common duckweed Lemnaceae
Leptinella squalida    brass buttons Asteraceae
Lespedeza thunbergii    purple bush clover Fabaceae
Leucanthemum x superbum  Shasta daisy Asteraceae
Leucanthemum vulgare    ox-eye daisy Asteraceae
Leucothoe axillaris    coast leucothoe Ericaceae
Leucothoe fontanesiana  'Rainbow'   Rainbow leucothoe Ericaceae
Levisticum officinale    lovage, garden lovage Apiaceae
Lewisia cotyledon  hybrids   lewisia Montiaceae
Leycesteria formosa    Himalayan honeysuckle Caprifoliaceae
Liatris spicata    blazing star, liatris Asteraceae
Ligularia dentata    bigleaf goldenray Asteraceae
Ligularia stenocephala    ligularia Asteraceae
Ligustrum vulgare    common privet Oleaceae
Lilium  cvs. (Asiatic)   Asiatic hybrid lily Liliaceae
Lilium  cvs. (Oriental)   Oriental hybrid lily Liliaceae
Lilium lancifolium    tiger lily Liliaceae
Lilium longiflorum    Easter lily Liliaceae
Limonium sinuatum    annual statice Plumbaginaceae
Linnaea borealis    twin flower Caprifoliaceae
Linum spp.   blue flax Linaceae
Liquidambar styraciflua    American sweetgum Altingiaceae
Liriodendron chinense    Chinese tulip tree Magnoliaceae
Liriodendron tulipifera    tulip tree, yellow poplar Magnoliaceae
Liriodendron tulipifera  'Aureomarginatum'   variegated tulip tree Magnoliaceae
Liriope muscari    big blue lilyturf, monkey grass Asparagaceae
Lithodora diffusa  'Grace Ward'   blue lithospermum Boraginaceae
Lobelia x speciosa  lobelia Campanulaceae
Lobelia cardinalis    cardinal flower Campanulaceae
Lobelia erinus    lobelia Campanulaceae
Lobelia pedunculata    matted pratia, trailing pratia Campanulaceae
Lobularia maritima    sweet alyssum, alyssum Brassicaceae
Lolium multiflorum    annual ryegrass, Italian ryegrass Poaceae
Lolium perenne    perennial ryegrass Poaceae
Lonicera x brownii  'Dropmore Scarlet' scarlet trumpet honeysuckle Caprifoliaceae
Lonicera henryi    Henry honeysuckle Caprifoliaceae
Lonicera involucrata    black twinberry, bearberry honeysuckle Caprifoliaceae
Lonicera japonica  'Purpurea'   Japanese honeysuckle Caprifoliaceae
Lonicera nitida  'Red Tips'   boxleaf honeysuckle Caprifoliaceae
Lonicera nitida     boxleaf honeysuckle Caprifoliaceae
Lonicera pileata    privet honeysuckle Caprifoliaceae
Lonicera xylosteum  'Emerald Mound'   Emerald Mound shrub honeysuckle, fly honeysuckle Caprifoliaceae
Lophospermum erubescens    creeping gloxinia Plantaginaceae
Lophospermum purpusii      asarina Plantaginaceae
Lotus berthelotii    parrot's beak, coral gem, pelican's beak, lotus vine Fabaceae
Lunaria annua    silver dollar plant, money plant Brassicaceae
Lupinus polyphyllus    lupine Fabaceae
Luzula nivea    snowy woodrush Juncaceae
Luzula sylvatica    greater woodrush Juncaceae
Lycianthes rantonnetii    blue potato bush Solanaceae
Lycopersicon esculentum    tomato Solanaceae
Lysichiton americanus    yellow skunk cabbage, swamp lantern Araceae
Lysimachia clethroides    gooseneck lysimachia Primulaceae
Lysimachia nummularia    creeping Jenny, moneywort Primulaceae
Lysimachia punctata    circle flower, yellow loosestrife Primulaceae
Lythrum salicaria    purple loosestrife Lythraceae
Macleaya cordata    plume poppy Papaveraceae
Magnolia x soulangeana  saucer magnolia Magnoliaceae
Magnolia  'Caerhays Belle'   Caerhays Belle magnolia Magnoliaceae
Magnolia  'Susan'   Susan's magnolia Magnoliaceae
Magnolia  'Galaxy'   Galaxy magnolia Magnoliaceae
Magnolia x loebneri   Loebner magnolia Magnoliaceae
Magnolia denudata    lily tree, Yulan magnolia Magnoliaceae
Magnolia grandiflora    southern magnolia Magnoliaceae
Magnolia kobus  var. kobus   northern Japanese magnolia Magnoliaceae
Magnolia sieboldii    Oyama magnolia Magnoliaceae
Magnolia stellata     star magnolia Magnoliaceae
Mahonia x media  'Charity' charity mahonia Berberidaceae
Mahonia aquifolium ( syn. Berberis ) Oregon grape Berberidaceae
Mahonia nervosa (syn.  Berberis ) longleaf mahonia Berberidaceae
Mahonia repens ( syn. Berberis ) creeping mahonia, creeping barberry Berberidaceae
Maianthemum dilatatum    false lily-of-the valley Asparagaceae
Maianthemum racemosum    false Solomon's seal Asparagaceae
Maianthemum stellatum    star-flowered false Solomon's seal Asparagaceae
Malus  'Royal Raindrops'   Royal Raindrops crabapple Rosaceae
Malus x domestica  apple Rosaceae
Malus floribunda    Japanese flowering crabapple Rosaceae
Malus fusca    Pacific crabapple Rosaceae
Malus sylvestris    European crabapple Rosaceae
Malva neglecta    common mallow Malvaceae
Mandevilla splendens    shining mandevilla, pink mandevilla Apocynaceae
Manettia luteorubra      Brazilian firecracker, candy corn vine Rubiaceae
Maranta leuconeura  'Erythroneura'   red-veined prayer plant, herringbone plant Marantaceae
Maranta leuconeura  var.  kerchoviana  prayer plant, rabbit tracks Marantaceae
Maranta leuconeura    prayer plant, rabbit tracks Marantaceae
Marchantia polymorpha    thalloid liverwort, lung liverwort Marchantiaceae
Matricaria discoidea    pineapple weed Asteraceae
Matteuccia struthiopteris    ostrich fern Onocleaceae
Matthiola incana    stock Brassicaceae
Meconopsis betonicifolia    Himalayan blue poppy Papaveraceae
Medicago lupulina    black medic Fabaceae
Meliosma pinnata var.  oldhamii  meliosma Sabiaceae
Melissa officinalis    lemon balm Lamiaceae
Melliodendron xylocarpum    Chinese parasol Styracaceae
Mentha x piperita  peppermint Lamiaceae
Mentha cervina    water spearmint Lamiaceae
Mentha spicata    spearmint Lamiaceae
Mentha suaveolens    apple mint Lamiaceae
Metasequoia glyptostroboides    dawn redwood Cupressaceae
Microbiota decussata    Siberian cypress Cupressaceae
Mikania dentata    plush vine Asteraceae
Mimulus aurantiacus    monkey flower Phrymaceae
Miscanthus x giganteus  giant silver grass Poaceae
Miscanthus sinensis  'Purpurascens'   orange flame grass Poaceae
Miscanthus sinensis  'Cosmopolitan'   variegated maiden grass Poaceae
Miscanthus sinensis    maiden grass Poaceae
Miscanthus sinensis  'Yaku Jima'   dwarf maiden grass Poaceae
Miscanthus sinensis  'Strictus'   porcupine grass Poaceae
Miscanthus sinensis  'Goliath'   Goliath maiden grass Poaceae
Miscanthus sinensis  'Little Kitten'   Little Kitten maiden grass Poaceae
Miscanthus sinensis  'Morning Light'   variegated maiden grass Poaceae
Miscanthus sinensis  'Gracillimus'   maiden grass Poaceae
Miscanthus sinensis  'Positano'   Positano maiden grass Poaceae
Miscanthus sinensis  'Silberfeder'   silver feather maiden grass Poaceae
Molinia caerulea  ssp.  arundinacea  'Skyracer' tall moor grass Poaceae
Molinia caerulea  ssp.  caerulea  'Swamp Witch' dwarf moor grass Poaceae
Molinia caerulea  ssp.  caerulea 'Variegata' variegated moor grass Poaceae
Monarda didyma  cvs.   bee balm Lamiaceae
Monopsis unidentata    monopsis Campanulaceae
Monstera deliciosa    split-leaf philodendron, monster plant Araceae
Morus alba     white mulberry Moraceae
Muehlenbeckia complexa    creeping wire vine, maidenhair vine, mattress vine Polygonaceae
Mukdenia rossii     mukdenia Saxifragaceae
Musa  sp.   banana Musaceae
Muscari armeniacum    grape hyacinth Asparagaceae
Myosotis sylvatica    garden forget-me-not Boraginaceae
Myrica californica    California wax myrtle, Pacific wax myrtle Myricaceae
Myrica gale    bog myrtle, sweet gale Myricaceae
Nandina domestica    heavenly bamboo Berberidaceae
Narcissus  spp. & cvs.   daffodil Amaryllidaceae
Narcissus  'Rip Van Winkle'   double dwarf daffodil Amaryllidaceae
Narcissus  'King Alfred'   King Alfred daffodil Amaryllidaceae
Narcissus bulbocodium  'Golden Bells'   Golden Bells daffodil, hoop-petticoat daffodil Amaryllidaceae
Nassella tenuissima ( syn.  Stipa ) narrow feather grass, Mexican feather grass, angel hair grass Poaceae
Nasturtium officinale    watercress Brassicaceae
Nemesia  hybrids and cvs.   nemesia Plantaginaceae
Neoregelia carolinae  'Tricolor'   blushing bromeliad Bromeliaceae
Nepeta  x faassenii  cvs. catmint Lamiaceae
Nephrolepis exaltata    Boston fern Nephrolepidaceae
Nerium oleander    oleander, rose bay Apocynaceae
Nicotiana x sanderae  flowering tobacco Solanaceae
Nicotiana alata    flowering tobacco Solanaceae
Nothofagus antarctica    southern beech Nothofagaceae
Nuphar polysepala    yellow pond lily Nymphaeaceae
Nymphaea  hybrids and cvs.    water lily Nymphaeaceae
Nyssa sinensis    Chinese tupelo Nyssaceae
Nyssa sylvatica    black gum Nyssaceae
Ocimum basilicum    sweet basil Lamiaceae
Oemleria cerasiformis    Oso berry, Indian plum Rosaceae
Oenothera biennis    evening primrose Onagraceae
Oenothera fremontii    evening primrose Onagraceae
Olea europaea  'Eddy's Winter Wonder'   hardy olive Oleaceae
Omphalodes cappadocica    blue-eyed Mary, Cappadocian navelwort Boraginaceae
Onoclea sensibilis    sensitive fern Onocleaceae
Ophiopogon planiscapus  'Nigrescens'   black mondo grass Asparagaceae
Oplopanax horridus    devil's club Araliaceae
Opuntia microdasys    bunny ears cactus Cactaceae
Origanum laevigatum  'Herrenhausen'   ornamental oregano Lamiaceae
Origanum majorana    sweet marjoram Lamiaceae
Origanum rotundifolium hybrids and cvs.   hop-like oregano, round-leaved oregano Lamiaceae
Origanum vulgare  ssp.  hirtum  Greek oregano Lamiaceae
Origanum vulgare  'Aureum Crispum'   golden oregano Lamiaceae
Origanum vulgare    oregano Lamiaceae
Ornithogalum  spp.   star-of-Bethlehem Asparagaceae
Orostachys iwarenge    Chinese dunce cap Crassulaceae
Osmanthus x burkwoodii   Burkwood osmanthus Oleaceae
Osmanthus decorus    lance leaf osmanthus Oleaceae
Osmanthus delavayi    tea olive Oleaceae
Osmanthus heterophyllus  'Variegatus'   variegated holly osmanthus Oleaceae
Osmanthus heterophyllus  'Tricolor'   variegated osmanthus Oleaceae
Osmunda cinnamomea    cinnamon fern Osmundaceae
Osmunda regalis    royal fern Osmundaceae
Osteospermum  cvs.   osteospermum, cape daisy Asteraceae
Ostrya virginiana    American hophornbeam, Ironwood Betulaceae
Oxalis adenophylla    silver shamrock Oxalidaceae
Oxalis corniculata    creeping oxalis Oxalidaceae
Oxalis oregana    redwood sorrel Oxalidaceae
Oxalis triangularis    false shamrock Oxalidaceae
Oxydendrum arboreum    sourwood, sorrel tree Ericaceae
Pachysandra terminalis    Japanese spurge Buxaceae
Pachystachys lutea    golden shrimp plant, lollipop plant Acanthaceae
Paeonia lactiflora    common garden peony, Chinese peony Paeoniaceae
Paeonia ludlowii    Tibetan tree peony Paeoniaceae
Paeonia suffruticosa    tree peony Paeoniaceae
Panicum virgatum    switch grass Poaceae
Papaver nudicaule    Icelandic poppy, arctic poppy Papaveraceae
Papaver orientale    oriental poppy Papaveraceae
Parrotia persica    Persian parrotia Hamamelidaceae
Parthenocissus henryana    Henryana parthenocissus Vitaceae
Parthenocissus quinquefolia    Virginia creeper Vitaceae
Parthenocissus tricuspidata    Boston ivy Vitaceae
Passiflora  hybrids and cvs.   passion vine, passion flower Passifloraceae
Passiflora caerulea    passion flower, passion vine Passifloraceae
Paulownia tomentosa    princess tree Paulowniaceae
Paxistima myrsinites    Oregon boxwood, false box Celastraceae
Pelargonium  spp.   geranium Geraniaceae
Pelargonium x hortorum  bedding geranium, zonal geranium, hybrid geranium Geraniaceae
Pelargonium x domesticum  regal geranium, pelargonium Geraniaceae
Pelargonium graveolens     rose geranium, citronella geranium Geraniaceae
Pelargonium peltatum    ivy-leaf geranium Geraniaceae
Pellaea rotundifolia    button fern Pteridaceae
Peltandra virginica    arrow arum Araceae
Pennisetum alopecuroides  'Little Bunny'   dwarf fountain grass Poaceae
Pennisetum alopecuroides  'Moudry'   black-flowered fountain grass Poaceae
Pennisetum alopecuroides    fountain grass Poaceae
Pennisetum glaucum  'Purple Majesty'    purple ornamental millet Poaceae
Pennisetum massaicum  'Red Bunny Tails'   Red Bunny Tails Poaceae
Pennisetum orientale    oriental fountain grass Poaceae
Pennisetum setaceum    fountain grass Poaceae
Penstemon  cvs.   beard tongue Plantaginaceae
Penstemon barbatus  hybrids   beard tongue Plantaginaceae
Penstemon digitalis  'Husker Red'   smooth beard tongue Plantaginaceae
Peperomia argyreia    watermelon peperomia Piperaceae
Peperomia caperata    emerald ripple peperomia Piperaceae
Peperomia griseoargentea    silver-leaf peperomia, platinum pepper Piperaceae
Peperomia magnoliifolia    spoon leaf peperomia Piperaceae
Peperomia obtusifolia    baby rubber plant, blunt-leaved peperomia Piperaceae
Pericallis x hybrida  cineraria Asteraceae
Perovskia atriplicifolia     Russian sage Lamiaceae
Persicaria affinis     dwarf fleeceflower Polygonaceae
Persicaria amplexicaulis    mountain fleeceflower Polygonaceae
Persicaria campanulata     lesser knotweed Polygonaceae
Persicaria lapathifolia     pale smartweed, nodding smartweed Polygonaceae
Persicaria microcephala  'Red Dragon'   Red Dragon knotweed Polygonaceae
Persicaria virginiana  'Painter's Palette'   Painter's Palette fleeceflower Polygonaceae
Petasites japonicus    butterbur Asteraceae
Petroselinum crispum    parsley Apiaceae
Petunia x hybrida  petunia, Supertunia mini Solanaceae
Phacelia tanacetifolia    fiddleneck, lacy phacelia Boraginaceae
Phalaenopsis  cvs.   moth orchid Orchidaceae
Phalaris arundinacea    reed canary grass Poaceae
Phaseolus coccineus    scarlet runner bean Fabaceae
Phaseolus vulgaris    common bean, black bean, kidney bean, pinto bean, French bean Fabaceae
Phegopteris decursive-pinnata    Japanese beech fern Thelypteridaceae
Philadelphus x virginalis  virginal mock orange Hydrangeaceae
Philadelphus lewisii    Lewis mock orange Hydrangeaceae
Philodendron x   hybrid philodendron Araceae
Philodendron bipinnatifidum    tree philodendron, spilt-leaf philodendron, selloum Araceae
Philodendron hederaceum    heart-leaf philodendron Araceae
Phlomis russeliana    sticky Jerusalem sage Lamiaceae
Phlox drummondii    annual phlox Polemoniaceae
Phlox paniculata    summer phlox, border phlox, common phlox Polemoniaceae
Phlox subulata    creeping phlox, moss phlox Polemoniaceae
Phoenix roebelenii    Pygmy date palm Arecaceae
Phormium tenax    New Zealand flax Xanthorrhoeaceae
Photinia x fraseri  photinia Rosaceae
Phygelius x rectus  cape fuchsia Scrophulariaceae
Phyllostachys aurea    goldstem bamboo Poaceae
Phyllostachys nigra    blackstem bamboo Poaceae
Physalis alkekengi    Chinese lantern Solanaceae
Physalis philadelphica    tomatillo Solanaceae
Physocarpus capitatus    ninebark, common ninebark Rosaceae
Physocarpus opulifolius cvs.   ninebark Rosaceae
Physostegia virginiana    obedient plant, false dragonhead Lamiaceae
Picea abies  'Nidiformis'   nest spruce Pinaceae
Picea abies  'Acrocona'   Acrocona Norway spruce Pinaceae
Picea abies  'Reflexa'   cat tail spruce Pinaceae
Picea abies    Norway spruce Pinaceae
Picea glauca  'Conica'   dwarf Alberta spruce Pinaceae
Picea glauca    white spruce Pinaceae
Picea glauca  'Pendula'   white spruce Pinaceae
Picea mariana    black spruce (seedling) Pinaceae
Picea meyeri    Meyer's spruce (seedling) Pinaceae
Picea omorika    Serbian spruce Pinaceae
Picea orientalis    oriental spruce Pinaceae
Picea pungens  'Glauca Globosa'   blue globe Colorado spruce Pinaceae
Picea pungens  Glauca Group   Colorado blue spruce, Colorado spruce Pinaceae
Picea sitchensis    Sitka spruce Pinaceae
Pieris japonica    lily-of-the-valley shrub Ericaceae
Pilea cadierei    aluminum plant Urticaceae
Pilea depressa    giant baby's tears, artillery plant Urticaceae
Pilea involucrata    friendship plant Urticaceae
Pilea nummulariifolia    creeping Charlie Urticaceae
Pinus aristata    bristlecone pine Pinaceae
Pinus cembra  'Glauca'   blue Swiss stone pine Pinaceae
Pinus contorta  var.  latifolia  interior lodgepole pine (seedling) Pinaceae
Pinus contorta  var.  contorta  shore pine Pinaceae
Pinus densiflora    Japanese red pine Pinaceae
Pinus densiflora  'Umbraculifera'   Japanese umbrella pine Pinaceae
Pinus densiflora  'Pendula'   weeping Japanese red pine Pinaceae
Pinus flexilis  'Vanderwolf's Pyramid'   Vanderwolf's pyramid pine Pinaceae
Pinus koraiensis     Korean pine Pinaceae
Pinus leucodermis    Bosnian pine Pinaceae
Pinus monticola    western white pine (seedling) Pinaceae
Pinus mugo    mugo pine, Swiss mountain pine Pinaceae
Pinus nigra    black pine, Austrian pine Pinaceae
Pinus parviflora    Japanese white pine Pinaceae
Pinus ponderosa    Ponderosa pine, yellow pine Pinaceae
Pinus resinosa    red pine (seedling) Pinaceae
Pinus strobiformis     southwestern white pine, Mexican white pine Pinaceae
Pinus strobus     eastern white pine Pinaceae
Pinus strobus  'Radiata'   dwarf eastern white pine Pinaceae
Pinus sylvestris    Scots pine Pinaceae
Pinus sylvestris cvs.   Scots pine (cultivars) Pinaceae
Pinus thunbergii    Japanese black pine Pinaceae
Pinus wallichiana    Himalayan pine, Butan pine, blue pine Pinaceae
Pistia stratiotes    water lettuce Araceae
Pisum sativum    garden pea Fabaceae
Plantago lanceolata    narrow-leaved plantain Plantaginaceae
Plantago major    broad-leaved plantain Plantaginaceae
Platanus x acerifolia  ( syn. x  hispanica ) London plane Platanaceae
Platycerium bifurcatum    staghorn fern Polypodiaceae
Plectranthus scutellarioides    coleus Lamiaceae
Plectranthus verticillatus    Swedish ivy Lamiaceae
Plumbago auriculata    blue plumbago, cape leadwort Plumbaginaceae
Poa annua  var.  reptans  creeping bluegrass Poaceae
Poa annua    annual bluegrass Poaceae
Poa pratensis    Kentucky bluegrass Poaceae
Poa supina    supina bluegrass Poaceae
Poa trivialis    rough bluegrass, rough-stalked meadow grass Poaceae
Podocarpus alpinus    Tasmanian podocarp Podocarpaceae
Podocarpus macrophyllus    Buddhist pine, Japanese yew Podocarpaceae
Polemonium caeruleum    Jacob's ladder Polemoniaceae
Polianthes tuberosa    tuberose Asparagaceae
Polygonatum biflorum    Solomon's seal Asparagaceae
Polygonum aviculare    prostrate knotweed Polygonaceae
Polypodium glycyrrhiza    licorice fern Polypodiaceae
Polyscias balfouriana    Balfour aralia Araliaceae
Polyscias fruticosa    Ming aralia Araliaceae
Polystichum braunii    Braun's holly fern Dryopteridaceae
Polystichum munitum    western sword fern Dryopteridaceae
Polystichum polyblepharum    Japanese tassel fern Dryopteridaceae
Polystichum setiferum    hedge fern Dryopteridaceae
Polystichum tsus-simense    Korean rock fern Dryopteridaceae
Pontederia cordata     pickerel weed Pontederiaceae
Populus alba    white poplar Salicaceae
Populus deltoides    plains cottonwood Salicaceae
Populus nigra  'Italica'   Lombardy poplar Salicaceae
Populus tremula  'Erecta'   columnar European aspen, columnar Swedish poplar Salicaceae
Populus tremuloides    trembling aspen Salicaceae
Populus trichocarpa    black cottonwood Salicaceae
Portulaca grandiflora    portulaca Portulacaceae
Portulaca oleracea    purslane Portulacaceae
Potentilla fruticosa  ( syn. Dasiphora ) cinquefoil, potentilla Rosaceae
Primula  spp.   primrose Primulaceae
Primula auricula    mountain cowslip Primulaceae
Primula denticulata    drumstick primrose Primulaceae
Primula malacoides    fairy primrose Primulaceae
Primula vulgaris  hybrids   primula, primrose Primulaceae
Prunella vulgaris    self-heal Lamiaceae
Prunus  x yedoensis   Yoshino cherry Rosaceae
Prunus   'Kanzan'   Kwanzan cherry, Kanzan cherry Rosaceae
Prunus hybrid cvs.   ornamental cherry tree Rosaceae
Prunus  'Shirotae'   Mount Fuji cherry Rosaceae
Prunus americana    American plum Rosaceae
Prunus avium    sweet cherry, bird cherry Rosaceae
Prunus cerasifera  'Pissardii'   Pissard plum Rosaceae
Prunus laurocerasus    English laurel, cherry laurel Rosaceae
Prunus laurocerasus  'Zabeliana'   Zabel laurel Rosaceae
Prunus laurocerasus  'Otto Luyken'   Otto Luyken laurel Rosaceae
Prunus lusitanica     Portugal laurel Rosaceae
Prunus padus  var. commutata  European bird cherry Rosaceae
Prunus subhirtella  'Pendula'   weeping Higan cherry Rosaceae
Prunus virginiana    chokecherry Rosaceae
Pseudotsuga menziesii    Douglas fir Pinaceae
Pteris cretica    table fern, ribbon fern Pteridaceae
Pteris ensiformis    table fern, silver lace fern Pteridaceae
Pulmonaria saccharata    lungwort Boraginaceae
Purshia tridentata    antelope bitterbrush Rosaceae
Pyracantha coccinea    pyracantha Rosaceae
Pyracantha fortuneana  'Graberi'   Graberi firethorn Rosaceae
Pyracantha koidzumii  'Victory'   Victory firethorn Rosaceae
Pyrus calleryana    Callery pear Rosaceae
Pyrus communis    European pear, common pear Rosaceae
Pyrus pyrifolia    Asian pear Rosaceae
Pyrus salicifolia    willowleaf pear Rosaceae
Quercus x warei  'Long' Regal Prince oak Fagaceae
Quercus acutissima    sawtooth oak Fagaceae
Quercus coccinea    scarlet oak Fagaceae
Quercus garryana    Garry oak Fagaceae
Quercus macrocarpa    bur oak Fagaceae
Quercus palustris    pin oak Fagaceae
Quercus phellos    willow oak Fagaceae
Quercus robur    English oak Fagaceae
Quercus rubra    red oak Fagaceae
Radermachera sinica    China doll Bignoniaceae
Ranunculus acris    tall buttercup Ranunculaceae
Ranunculus asiaticus    ranunculus, Persian buttercup Ranunculaceae
Ranunculus ficaria    lesser celandine, pilewort Ranunculaceae
Ranunculus repens    creeping buttercup Ranunculaceae
Raoulia australis    common mat daisy, scab plant; scabwort Asteraceae
Raphanus sativus    radish Brassicaceae
Ravenea rivularis    majesty palm Arecaceae
Rehderodendron macrocarpum    Chinese rehderodendron Styracaceae
Rhapis excelsa    lady palm Arecaceae
Rheum rhabarbarum    rhubarb Polygonaceae
Rhododendron  cv.   azalea Ericaceae
Rhododendron  'Blue Diamond'   Blue Diamond rhododendron Ericaceae
Rhododendron  'Hino Crimson'   Hino Crimson azalea Ericaceae
Rhododendron  'PJM'   PJM rhododendron Ericaceae
Rhododendron  'Snow Lady'   Snow Lady rhododendron Ericaceae
Rhododendron  'Unique'   Unique rhododendron Ericaceae
Rhododendron  'Coral Bells'   pink hose in hose azalea Ericaceae
Rhododendron  (evergreen spp. & cvs.)   rhododendron Ericaceae
Rhododendron  Northern Lights Group   rhododendron, azalea Ericaceae
Rhododendron  'Cunningham's White'   Cunningham's White rhododendron Ericaceae
Rhododendron  'Purple Splendor'   purple splendor azalea Ericaceae
Rhododendron  'Ramapo'   Ramapo rhododendron Ericaceae
Rhododendron  'Vulcan'   red rhododendron Ericaceae
Rhododendron groenlandicum    Labrador tea Ericaceae
Rhododendron impeditum    impeditum rhododendron Ericaceae
Rhododendron macrophyllum    Pacific rhododendron Ericaceae
Rhodohypoxis baurii      starflower, red-star Hypoxidaceae
Rhodotypos scandens    black jetbead Rosaceae
Rhus glabra    smooth sumac Anacardiaceae
Rhus typhina    staghorn sumac Anacardiaceae
Ribes alpinum    alpine currant, mountain currant Grossulariaceae
Ribes divaricatum    coast black gooseberry, spreading gooseberry Grossulariaceae
Ribes nigrum    black currant Grossulariaceae
Ribes sanguineum    flowering currant, winter currant Grossulariaceae
Ribes uva-crispa    gooseberry Grossulariaceae
Ricinus communis    caster bean Euphorbiaceae
Robinia pseudoacacia  cvs.   black locust Fabaceae
Rodgersia aesculifolia    fingerleaf rodgersia Saxifragaceae
Rodgersia pinnata    finger-leafed rodgersia Saxifragaceae
Rosa  'Dublin Bay'   Dublin Bay rose Rosaceae
Rosa  'The Fairy'   The Fairy shrub rose Rosaceae
Rosa  'Golden Wings'   Golden Wings hybrid rose Rosaceae
Rosa   Meineble cvs.   Meidiland carpet rose Rosaceae
Rosa  cvs.   cut flower rose, miniature potted rose Rosaceae
Rosa  'Ballerina'   Ballerina rose Rosaceae
Rosa  'Meidomonac'   Bonica rose Rosaceae
Rosa  'Jacqueline du Pre'   Jacqueline du Pre rose Rosaceae
Rosa  sp. (white)   rose Rosaceae
Rosa nutkana    Nootka rose Rosaceae
Rosa rugosa    rugosa rose Rosaceae
Rosa woodsii    native rose, Wood's rose Rosaceae
Rosmarinus officinalis    rosemary Lamiaceae
Rubus armeniacus    Himalayan blackberry Rosaceae
Rubus fruticosus  'Black Satin'   thornless blackberry Rosaceae
Rubus idaeus    raspberry Rosaceae
Rubus laciniatus    evergreen blackberry Rosaceae
Rubus parviflorus    thimbleberry Rosaceae
Rubus rolfei  'Emerald Carpet'    Formosan Carpet rubus, creeping Taiwan bramble Rosaceae
Rubus spectabilis    salmonberry Rosaceae
Rubus ursinus x idaeus  boysenberry Rosaceae
Rudbeckia fulgida    black-eyed Susan Asteraceae
Rudbeckia hirta    coneflower, gloriosa daisy, black-eyed Susan Asteraceae
Rudbeckia laciniata  'Herbstsonne'   autumn sun coneflower Asteraceae
Rudbeckia occidentalis  'Green Wizard'   Green Wizard coneflower Asteraceae
Ruellia brittoniana    Mexican petunia Acanthaceae
Rumex acetosella    garden sorrel, sheep sorrel Polygonaceae
Rumex sanguineus    bloody dock, red veined dock Polygonaceae
Rumohra adiantiformis    leatherleaf fern Dryopteridaceae
Ruta graveolens    common rue Rutaceae
Sagina procumbens    birdeye pearlwort Caryophyllaceae
Sagina subulata    Irish moss, Scotch moss, pearlwort Caryophyllaceae
Sagittaria latifolia    arrowhead, duck potato, Wapato Alismataceae
Saintpaulia ionantha    African violet Gesneriaceae
Salix x sepulcralis  var. chrysocoma weeping willow Salicaceae
Salix lucida  ssp. lasiandra   Pacific willow Salicaceae
Salix babylonica  var.  pekinensis  'Tortuosa' corkscrew willow Salicaceae
Salix caprea  'Kilmarnock'    weeping pussy willow Salicaceae
Salix discolor    native willow, pussy willow Salicaceae
Salix glauca    grey-leaf willow Salicaceae
Salix hookeriana    Hooker's willow Salicaceae
Salix integra     dappled willow, Japanese willow Salicaceae
Salix purpurea  'Nana'   dwarf arctic willow, purple willow, purple osier Salicaceae
Salix scouleriana    Scouler's willow, mountain willow Salicaceae
Salix udensis  'Sekka'   fantail willow Salicaceae
Salvia coerulea   ( syn.  S. guaranitica ) blue anise sage Lamiaceae
Salvia elegans    pineapple sage Lamiaceae
Salvia farinacea  hybrids and cvs.   mealy-cup sage Lamiaceae
Salvia greggii    autumn sage Lamiaceae
Salvia officinalis  'Tricolor'   variegated sage Lamiaceae
Salvia officinalis  'Purpurascens'   purple leaf sage Lamiaceae
Salvia officinalis    common sage Lamiaceae
Salvia splendens    scarlet sage Lamiaceae
Sambucus nigra    European elder, elderberry Adoxaceae
Sambucus racemosa  var. arborescens  coastal red elderberry Adoxaceae
Sanguisorba obtusa    bottlebrush Rosaceae
Sansevieria trifasciata     snake plant, mother-in-law's tongue Asparagaceae
Santolina chamaecyparissus    lavender cotton Asteraceae
Sanvitalia procumbens    creeping zinnia Asteraceae
Sarcococca hookeriana  var.  humilis  dwarf sweet box Buxaceae
Satureja montana    winter savory, mountain savory Lamiaceae
Saxifraga  hybrids   saxifrage hybrids Saxifragaceae
Saxifraga  x urbium  London pride saxifrage Saxifragaceae
Saxifraga  x arendsii  mossy saxifrage Saxifragaceae
Saxifraga cotyledon    pyramidal saxifrage Saxifragaceae
Saxifraga stolonifera    strawberry begonia, mother of thousands Saxifragaceae
Scabiosa columbaria    dwarf pincushion flower Dipsacaceae
Scaevola aemula     fairy fan-flower Goodeniaceae
Schefflera actinophylla    umbrella plant Araliaceae
Schefflera arboricola    dwarf umbrella plant Araliaceae
Schefflera elegantissima    false aralia Araliaceae
Schizachyrium scoparium    bluestem grass, little bluestem Poaceae
Schlumbergera truncata    Thanksgiving cactus Cactaceae
Sciadopitys verticillata    Japanese umbrella pine Sciadopityaceae
Scilla peruviana    Peruvian squill Asparagaceae
Scilla siberica    Siberian squill Asparagaceae
Scirpus cernuus    fiber optic grass Cyperaceae
Scirpus microcarpus     small-flowered bulrush, wood club rush Cyperaceae
Scrophularia auriculata  'Variegata'   variegated figwort Scrophulariaceae
Sedum  'Lynda Windsor'   purple autumn stonecrop Crassulaceae
Sedum  'Rosy Glow'   starbright sedum Crassulaceae
Sedum  'Herbstfreude'   autumn joy sedum, stonecrop Crassulaceae
Sedum x 'Ruby Glow'   Ruby Glow sedum Crassulaceae
Sedum acre  cvs.   golden carpet, mossy stonecrop Crassulaceae
Sedum aizoon     sedum, stonecrop Crassulaceae
Sedum cauticola  'Bertram Anderson'   Bertram Anderson sedum Crassulaceae
Sedum floriferum    gold stonecrop Crassulaceae
Sedum hispanicum    Spanish stonecrop Crassulaceae
Sedum kamtschaticum    orange stonecrop, Russian stonecrop Crassulaceae
Sedum montanum    stonecrop Crassulaceae
Sedum morganianum    burro's tail Crassulaceae
Sedum oreganum    Oregon stonecrop Crassulaceae
Sedum pulchellum  'Sea Star'   Sea Star stonecrop Crassulaceae
Sedum rupestre    blue spruce stonecrop Crassulaceae
Sedum rupestre  'Angelina'   Angelina stonecrop Crassulaceae
Sedum sexangulare    six-sided stonecrop Crassulaceae
Sedum spathulifolium  'Cape Blanco'   spoon-leaved stonecrop Crassulaceae
Sedum spurium    two-row stonecrop, Caucasian stonecrop Crassulaceae
Sedum telephium  'Matrona'   autumn stonecrop Crassulaceae
Sedum telephium  'Autumn Charm'   autumn charm stonecrop Crassulaceae
Sedum telephium  'Postman's Pride'   Postman's Pride stonecrop Crassulaceae
Sedum telephium  'Autumn Delight'   Autumn Delight stonecrop, variegated stonecrop Crassulaceae
Sedum telephium  cvs.   autumn stonecrop Crassulaceae
Sedum ternatum  'Vera Jameson'   Vera Jameson sedum Crassulaceae
Selaginella kraussiana     clubmoss, Irish moss Selaginellaceae
Sempervivum  species and hybrids   hens and chicks hybrid, houseleek Crassulaceae
Sempervivum arachnoideum  ssp.  tomentosum  cobweb houseleek Crassulaceae
Sempervivum tectorum    hens and chicks, roof houseleek Crassulaceae
Senecio vulgaris    groundsel Asteraceae
Sequoia sempervirens    coast redwood Cupressaceae
Sequoiadendron giganteum  'Pendulum'   weeping Sierra redwood Cupressaceae
Sequoiadendron giganteum    Sierra redwood Cupressaceae
Shepherdia canadensis    buffaloberry, soapberry Elaeagnaceae
Shibataea kumasasa    zig-zag bamboo, ruscus-leaved bamboo Poaceae
Sidalcea malviflora    prairie mallow, checkerbloom Malvaceae
Silene coronaria    rose campion Caryophyllaceae
Sinningia speciosa    florest's gloxinia Gesneriaceae
Sisyrinchium bellum    blue-eyed grass Iridaceae
Skimmia japonica    Japanese skimmia Rutaceae
Skimmia japonica  ssp. reevesiana  Reeves Japanese skimmia Rutaceae
Solanum dulcamara    deadly nightshade, European bittersweet Solanaceae
Solanum jasminoides  'Album'   potato vine Solanaceae
Solanum melanocerasum    garden huckleberry Solanaceae
Solanum melongena    eggplant Solanaceae
Solanum pseudocapsicum    Jerusalem cherry, Christmas cherry Solanaceae
Solanum tuberosum    potato Solanaceae
Soleirolia soleirolii    baby's tears Urticaceae
Solidago  sp.   goldenrod Asteraceae
Solidago canadensis  'Golden Baby'   Golden Baby goldenrod Asteraceae
Solidago rugosa  'Fireworks'   fireworks goldenrod Asteraceae
Sonchus arvensis    sow thistle Asteraceae
Sorbaria sorbifolia    false spiraea Rosaceae
Sorbus americana    American mountain ash Rosaceae
Sorbus aria    common whitebeam Rosaceae
Sorbus aucuparia    European mountain ash Rosaceae
Sorbus decora    showy mountain ash, northern mountain ash Rosaceae
Sorbus hupehensis  'Pink Pagoda'   Pink Pagoda mountain ash Rosaceae
Sorbus scopulina    western mountain ash Rosaceae
Spathiphyllum  cv.   peace lily Araceae
Spathiphyllum cannifolium    peace lily Araceae
Spiraea x bumalda  'Dart's Red' Dart's Red spirea Rosaceae
Spiraea x vanhouttei  bridal wreath spirea Rosaceae
Spiraea douglasii    hardhack Rosaceae
Spiraea japonica  'Goldflame'   Goldflame spirea Rosaceae
Spiraea japonica    Japanese spirea Rosaceae
Spiraea japonica  'Anthony Waterer'   Anthony Waterer spirea Rosaceae
Spiraea japonica  'Goldmound'   Goldmound spirea Rosaceae
Spiraea japonica  'Little Princess'   Little Princess spirea Rosaceae
Spiraea nipponica     snowmound spirea Rosaceae
Spiraea thunbergii    Thunberg spirea, baby's breath spirea Rosaceae
Spiraea trilobata    three lobe spirea Rosaceae
Stachys byzantina  'Big Ears'   giant lamb's ears, woolly betony Lamiaceae
Stachys monieri  'Hummelo'   alpine betony Lamiaceae
Stellaria media    chickweed Caryophyllaceae
Stephanotis floribunda    Madagascar jasmine Apocynaceae
Stevia rebaudiana    stevia, sweetleaf Asteraceae
Stewartia pseudocamellia    Japanese stewartia Theaceae
Stewartia sinensis    Chinese stewartia Theaceae
Stipa gigantea    giant feather grass Poaceae
Stokesia laevis     Stoke's aster Asteraceae
Strelitzia reginae    bird of paradise Strelitziaceae
Streptocarpus x hybridus  cape primrose Gesneriaceae
Streptocarpus saxorum    bavarian belles, false African violet, cape primrose Gesneriaceae
Strobilanthes dyerianus    Persian shield Acanthaceae
Styrax japonicus    Japanese snowbell, Japanese Snowcone Styracaceae
Styrax obassia    fragrant styrax Styracaceae
Sutera cordata    bacopa Scrophulariaceae
Symphoricarpos x chenaultii  Chenault coralberry Caprifoliaceae
Symphoricarpos albus    snowberry Caprifoliaceae
Symphyotrichum dumosum  hybrids and cvs.   bushy aster, rice button aster Asteraceae
Symphyotrichum lateriflorum     calico aster Asteraceae
Symphyotrichum novi-belgii     Michaelmas daisy, aster Asteraceae
Symphyotrichum subspicatum    daisy, Douglas' aster Asteraceae
Syngonium podophyllum    arrowhead vine, nephthytis Araceae
Syringa meyeri    Meyer lilac, dwarf Korean lilac Oleaceae
Syringa reticulata     Japanese tree lilac Oleaceae
Syringa vulgaris    common lilac Oleaceae
Tagetes erecta     African marigold Asteraceae
Tagetes patula    French marigold Asteraceae
Tanacetum parthenium    feverfew Asteraceae
Tanacetum vulgare    tansy Asteraceae
Taraxacum officinale    dandelion Asteraceae
Taxodium distichum    bald cypress, pond cypress Cupressaceae
Taxus x media  yew Taxaceae
Taxus baccata  'Repandens'   dwarf English yew Taxaceae
Taxus baccata    English yew Taxaceae
Taxus baccata  'Fastigiata'   Irish yew Taxaceae
Taxus brevifolia    Pacific yew, western yew Taxaceae
Tellima grandiflora    fringecup Saxifragaceae
Teucrium chamaedrys    wall germander Lamiaceae
Thalictrum  spp.   meadow rue Ranunculaceae
Thuja occidentalis  'Ellwangeriana Aurea'   Ellwanger American arborvitae Cupressaceae
Thuja occidentalis  'Brandon'   Brandon cedar Cupressaceae
Thuja occidentalis  'Golden Globe'   Golden Globe cedar Cupressaceae
Thuja occidentalis  'Fastigiata'   pyramidal cedar Cupressaceae
Thuja occidentalis  'Smaragd'   emerald cedar, eastern white cedar Cupressaceae
Thuja orientalis  'Aurea Nana'   dwarf golden cedar Cupressaceae
Thuja plicata  'Zebrina'   Zebrina cedar Cupressaceae
Thuja plicata    western red cedar Cupressaceae
Thuja plicata  'Whipcord'   Whipcord red cedar Cupressaceae
Thujopsis dolabrata    hiba arborvitae Cupressaceae
Thunbergia alata      black-eyed Susan vine Acanthaceae
Thymus x citriodorus  lemon thyme Lamiaceae
Thymus pseudolanuginosus    woolly thyme Lamiaceae
Thymus serpyllum  var.  coccineus  red creeping thyme Lamiaceae
Thymus serpyllum    mother of thyme Lamiaceae
Thymus vulgaris    common thyme, garden thyme Lamiaceae
Tiarella  cvs.   foamflower Saxifragaceae
Tiarella trifoliata     trefoil foamflower Saxifragaceae
Tibouchina urvilleana    princess flower, glory bush Melastomataceae
Tigridia pavonia    tiger flower, peacock flower Iridaceae
Tilia cordata    little leaf linden, small-leaved lime Malvaceae
Tilia tomentosa  'Green Mountain'   Green Mountain silver linden Malvaceae
Tillandsia  spp.   air plant Bromeliaceae
Tolmiea menziesii    piggyback plant Saxifragaceae
Torenia fournieri    wishbone flower, torenia Linderniaceae
Trachycarpus fortunei    Chinese windmill palm, Chusan palm Arecaceae
Tradescantia x andersoniana  spiderwort Commelinaceae
Tradescantia fluminensis    wandering Jew Commelinaceae
Tradescantia pallida    wandering Jew, spiderwort Commelinaceae
Tradescantia spathacea    Moses-in-the-cradle Commelinaceae
Tradescantia zebrina    wandering Jew Commelinaceae
Trientalis borealis    starflower Primulaceae
Trifolium dubium    yellow clover, small hop clover, suckling clover, lesser trefoil Fabaceae
Trifolium repens  'Dark Dancer'   Dutch clover Fabaceae
Trifolium repens    white clover Fabaceae
Trillium ovatum    western trillium, western wakerobin Melanthiaceae
Trollius x cultorum   globe flower Ranunculaceae
Trollius europaeus    globeflower, common European globeflower Ranunculaceae
Tropaeolum majus  hybrids and cvs.   nasturtium, indian cress Tropaeolaceae
Tsuga canadensis    eastern hemlock Pinaceae
Tsuga heterophylla    western hemlock Pinaceae
Tsuga mertensiana    mountain hemlock Pinaceae
Tulipa  cvs.   tulip Liliaceae
Typha latifolia    cattail, bullrush Typhaceae
Ulmus americana    American elm Ulmaceae
Urtica dioica    stinging nettle Urticaceae
Vaccinium corymbosum    highbush blueberry Ericaceae
Vaccinium macrocarpon    cranberry Ericaceae
Vaccinium ovalifolium    oval-leaved blueberry Ericaceae
Vaccinium ovatum  'Thunderbird'   Thunderbird evergreen huckleberry Ericaceae
Vaccinium oxycoccos    small cranberry Ericaceae
Vaccinium parvifolium    red huckleberry Ericaceae
Vaccinium vitis-idaea    lingonberry, small cranberry Ericaceae
Valeriana officinalis    garden heliotrope Caprifoliaceae
Vancouveria hexandra    inside-out flower Berberidaceae
Verbascum nigrum    dark mullein Plantaginaceae
Verbascum thapsus    mullein Scrophulariaceae
Verbena x hybrida  verbena, hybrid verbena Verbenaceae
Verbena bonariensis    purpletop verbena Verbenaceae
Verbena canadensis    trailing verbena Verbenaceae
Veronica repens    creeping speedwell Plantaginaceae
Veronica serpyllifolia    thymeleaf speedwell Plantaginaceae
Veronica spicata    speedwell, veronica Plantaginaceae
Veronicastrum virginicum     Culver's root Plantaginaceae
Viburnum x burkwoodii  Burkwood viburnum Adoxaceae
Viburnum x carlcephalum  fragrant viburnum Adoxaceae
Viburnum x bodnantense  'Dawn' Bodnant viburnum Adoxaceae
Viburnum davidii    David viburnum Adoxaceae
Viburnum dentatum    arrowhead viburnum Adoxaceae
Viburnum edule    moosewood, squashberry, mooseberry Adoxaceae
Viburnum opulus    European cranberrybush Adoxaceae
Viburnum plicatum  cvs.   doublefile viburnum, Summer Snowflake viburnum, Marie's doublefile viburnum Adoxaceae
Viburnum rhytidophyllum    leatherleaf viburnum Adoxaceae
Viburnum trilobum    highbush cranberry, cranberry-bush Adoxaceae
Vicia cracca    tufted vetch Fabaceae
Vicia faba    broad bean, fava bean Fabaceae
Vicia sativa    common vetch Fabaceae
Vinca minor    periwinkle Apocynaceae
Viola x wittrockiana  pansy Violaceae
Viola  spp. ( weedy )    violet, pansy Violaceae
Vitis vinifera  hybrids and cvs.   grape Vitaceae
Vriesea spp.   bromeliad, flaming sword Bromeliaceae
Weigela florida  'Alexandra'   Wine and Roses weigela Caprifoliaceae
Weigela florida    weigela Caprifoliaceae
Wisteria floribunda    Japanese wisteria Fabaceae
Wisteria sinensis    Chinese wisteria Fabaceae
Woodwardia fimbriata    giant chain fern Blechnaceae
Xanthoria  spp.   yellow lichen Teloschistaceae
Yucca filamentosa    Adam's needle, palm lily, common yucca Asparagaceae
Yucca gigantea  ( syn.  Y. elephantipes ) spineless yucca Asparagaceae
Zamioculcas zamiifolia    Zanzibar gem, zz plant, feng shui plant Araceae
Zantedeschia  cv.   calla lily Araceae
Zantedeschia aethiopica    calla lily Araceae
Zanthoxylum piperitum    Japanese pepper Rutaceae
Zea mays    maize, corn Poaceae
Zelkova serrata     Japanese zelkova Ulmaceae
Zinnia elegans    zinnia Asteraceae
x Chitalpa tashkentensis  'Pink Dawn'   Pink Dawn chitalpa Bignoniaceae
x Citrofortunella microcarpa     calamondin orange Rutaceae
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