Department of Horticulture

Common Name List

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Aaron's Beard
         Creeping St. John’s Wort      Hypericum calycinum
Abelia
         Edward Goucher      Abelia 'Edward Goucher'
         Glossy      Abelia × grandiflora
                 Francis Mason       Abelia × grandiflora 'Francis Mason'
                 Sunrise      Abelia × grandiflora 'Sunrise'
Abelialeaf
         Korean, White Forsythia      Abeliophyllum distichum
Actinidia
         Kolomikta      Actinidia kolomikta
Adromeda
         Japanese      Pieris japonica
Akebia
         Fiveleaf      Akebia quinata
Albizia
         Silk Tree, Mimosa      Albizia julibrissin
Alder   (Alnus)
         Common, European, Black       Alnus glutinosa
                  Cutleaf       Alnus glutinosa 'Laciniata'
         Italian      Alnus cordata
         Japanese      Alnus japonica
         Red, Oregon      Alnus rubra
                  Cutleaf       Alnus rubra f. pennatisecta
         Sitka      Alnus sinuata
         Speckled      Alnus rugosa (syn. Alnus incana ssp. rugosa)
         White      Alnus rhombifolia
         Thinleaf      Alnus tenuifolia (syn. Alnus incana ssp. tenuifolia)
Allspice  (Sweetbush)  (Calycanthus)
         California, Western Sweetbush      Calycanthus occidentalis
         Carolina, Common Sweetbush      Calycanthus floridus
         Hartlage Wine, Hartlage Wine Sweetbush      Calycanthus raulstonii ‘Hartlage Wine’
         Raulston's, Raulston's Sweetbush      Calycanthus raulstonii ‘Hartlage Wine’
Almond
         Dwarf Flowering      Prunus glandulosa
Alum Root   see Coral Bells
Ampelopsis
         Porcelain      Ampelopsis brevipendiculata
                  Elegans   Ampelopsis brevipendiculata 'Elegans'
Anise Tree
         Florida      Illicium floridanum
Apricot
         Common      Prunus armeniaca
         Japanese, Japanese Flowering      Prunus mume
                  Contorted      Prunus mume 'Contorta'
                  Peggy Clarke      Prunus mume 'Peggy Clarke'
                  Trumpet      Prunus mume 'Trumpet'
Arborvitae
         American      Thuja occidentalis
         Eastern      Thuja occidentalis
         False      Thujopis dolabrata
         Hiba      Thujopis dolabrata
         Oriental      Thuja orientalis, Pladycladus orientalis
         Russian      Microbiota decussata
         Siberian      Microbiota decussata
Ardisia
         Japanese, also Marlberry      Ardisia japonica
Arrayan
         Arrayan, Palo Colorado      Luma apiculata
Ash  (Fraxinus)
         Blue            Fraxinus quadrangulata
         Flowering      Fraxinus ornus
         Golden Desert       Fraxinus excelsior  Golden Desert^®
                (syn. F. angustifolia Golden Desert^®, F. oxycarpa Golden Desert^®, and
                Fraxinus angustifolia ssp. oxycarpa 'Golden Desert')
         Green            Fraxinus pennsylvanica
         Japanese or Chinese Flowering      Fraxinus sieboldiana
         Leprechaun      Fraxinus pennsylvanicum Leprechaun™  (syn. ‘Johnson’)
         Marshall, Marshall's Seedless      Fraxinus pennsylvanicum ‘Marshall’  (syn. ‘Marshall's Seedless’)
         Oregon      Fraxinus latifolia
         Raywood      Fraxinus oxycarpa 'Raywood'  (syn. F. angustifolia 'Raywood')
         Siebold            Fraxinus sieboldiana
         White            Fraxinus americana
Aspen
         Quaking      Populus tremuloides
Aster
         New England      Aster novae-angliae
Aucuba
           Japanese  Aucuba japonica
           Variegated selections
                  Gold Dust Plant, Variegated Aucuba  Aucuba japonica ‘Variegata’
                  Mr. Goldstrike Aucuba  Aucuba japonica ‘Mr. Goldstrike’
                  Picturata Aucuba  Aucuba japonica ‘Picturata’
Azalea    also see Rhododendron
           Deciduous  Rhododendron    deciduous azalea, examples
           Delaware Valley White  Rhododendron ‘Delaware Valley White’
           False  (Rusty Manziesia, Fool's Huckleberry)  Menziesia ferruginea
           Frilly Lemon  Rhododendron ‘Frilly Lemon’
           Girard's Purple  Rhododendron ‘Girard's Purple’
           Hardijzer's Beauty Azaleodendron  Rhododendron ‘Hardijzer's Beauty’
           Hino Crimson  Rhododendron ‘Hino Crimson’
           Hinode Giri  Rhododendron ‘Hinode Giri’
           Irene Koster  Rhododendron occidentale ‘Irene Koster’
           Ken Janeck  Rhododendron ‘Ken Janeck’
           Kiusianum  Rhododendron kiusianum
           Lights Azalea Hybrids   Rhododendron   Lights Azalea Hybrid Series
                  Including: 'Northen Lights', 'Orchid Lights', 'Rosy Lights', and 'White Lights'
           Plumleaf  Rhododendron prunifolium
           Pontic  Rhododendron luteum
           Purple Splendor   Rhododendron ‘Purple Splendor’
           Roseshell  Rhododendron prinophyllum
           Royal   Rhododendron schlippenbachii
           Western   Rhododendron occidentale
Azara
         Boxleaf      Azara microphylla
Baby's Breath
           Baby's Breath  Gypsophila paniculata
Baldcypress
           Common, Swamp  Taxodium distichum
                  Dwarf selection  Taxodium distichum‘Peve Minaret’
           Pond  Taxodium ascendens
Bamboo
           Heavenly, Scared, Nandina  Nandina domestica
           Mexican, Japanese Knotweed  Polygonum cuspidatum (syn. Fallopia japonica)
Barberry   (Berberis)
           California, California Grape Holly  Berberis pinnata  syn. Mahonia pinnata
           Darwin   Berberis darwinii
           Dwarf Magellan   Berberis buxifolia ‘Nana’
           Emerald Carousel^TM (‘Tara’)  Berberis Emerald Carousel^TM
           Evergreen  Berberis replicata
           Golden Japanese    Berberis thunbergii ‘Aurea’
           Irwini Rosemary   Berberis × stenophylla ‘Irwinii’
           Island  Berberis pinnata subsp. insularis  syn. Mahonia pinnata subsp. insularis
           Japanese  Berberis thunbergii
                  Aurea   Berberis thunbergii ‘Aurea’
                  Golden Nugget   Berberis thunbergii Golden Nugget^TM
                  Kobold  Berberis thunbergii ‘Kobold’
                  Sunsation   Berberis thunbergii Sunsation^TM
                  Purple (Red) Leaf    Berberis thunbergii var. atropurpurea
                           Crimson Pigmy  Berberis thunbergii var. atropurpurea ‘Crimson Pigmy’
                           Golden Ring  Berberis thunbergii var. atropurpurea ‘Golden Ring’
                           Rose Glow  Berberis thunbergii var. atropurpurea ‘Rose Glow’
                           Royal Burgundy  Berberis thunbergii var. atropurpurea Royal Burgundy^TM
           Mentor  Berberis × mentorensis
           Rosemary  Berberis × stenophylla
           Threespine   Berberis triacanthophora
           Warty   Berberis verruculosa
           William Penn  Berberis × gladwynensis ‘William Penn’
           Wintergreen   Berberis julianae
Basket-of-Gold
           Basket-of-Gold   Aurinia saxatilis
Basswood  ( see Tilia)
Bay (leaf)
           California, Oregon Myrtle, California Laurel  Umbellularia californica
           Turkish, True  Laurus nobilis
Bayberry
           Northern Bayberry   Myrica pensylvanica
Bearberry
           Bearberry, Kinnikinick   Arctostaphylos uva-ursi
Beautyberry
           Bodinier  Callicarpa bodinieri
           Purple  Callicarpa dichotoma
Beautybush
           Beautybush  Kolkwitzia amabilis
Bee-balm
           Bee-balm    Monarda didyma
Beebee Tree
           Beebee Tree, Korean Evodia  Tetradium daniellii, syn. Evodia daniellii
Beech
           American   Fagus grandifolia
           Blue (syn. American Hornbeam)  Carpinus caroliniana
           European  Fagus sylvatica
                  Fernleaf   Fagus sylvatica ‘Asplenifolia’
                  Purpleleaf or Copperleaf   Fagus sylvatica ‘Purpurea’  aka ‘Atropurpurea’ and ‘Cuprea’
                  Tricolor, Purpurea Tricolor, Roseomarginata  Fagus sylvatica ‘Tricolor’
                  Weeping   Fagus sylvatica f. pendula
                  Additional selections:  Fagus sylvatica ‘Miltonensis’,  ‘Purple Fountain’  and  ‘Red Obelisk’
           Southern, False   Nothofagus anarctica
Begonia
           Wax   Begonia semperflorens
Bergenia
           Heartleaf   Bergenia cordifolia
Birch      (Betula)
           Asian Black, Dahurian  Betula davurica
           Asian White, Manchurian  Betula platyphylla
                  Dakota Pinnacle, Asian White  Betula platyphylla Dakota Pinnacle®
           Bog, Dwarf  Betula nana
           Chinese Paper, Chinese Red  Betula albo-sinensis
           Dwarf  Betula glandulosa
           European White  Betula pendula
                  Cutleaf   Betula pendula  ‘Laciniata’
                  Purple  Betula pendula  ‘Purpurea’
                  (Young's) Weeping  Betula pendula  ‘Youngii’
           Heritage  Betula nigra HeritageÔ
           Gray, Fire  Betula populifola
                  Whitespire Senior  Betula populifola ‘Whitespire Senior’
           Manchurian, Asian White  Betula platyphylla
           Monarch Betula maximowicziana
           Paperbark  Betula papyrifera
           River    Betula nigra
                  Fox Valley  Betula nigra Fox ValleyÔ (syn. 'Little King').
                  Heritage   Betula nigra HeritageÔ
           Water  Betula occidentalis
           Whitebarked Himalayan  Betula jacquemontii
           Whitespire Senior, Whitespire  Betula populifola ‘Whitespire Senior’
           Yellow    Betula alleghaniensis
           Young's Weeping   Betula pendula  ‘Youngii’
Bitterbrush      (Purshia)
           Bitterbrush, Antelope Bush  Purshia tridentata
Bittersweet      (Celastrus)
           American, Climbing  Celastrus scandens
Blackberry
           California, Trailing, Pacific  Rubus ursinus
           Evergreen  Rubus laciniatus
           Himalayan, Himalaya  Rubus discolor (syn. R. procerus, R. armeniacus)
           Trailing, Western, Pacific  Rubus ursinus
Black-eyed Susan
           Black-eyed Susan   Rudbeckia fulgida
Blanket Flower
           Blanket Flower   Gaillardia × grandiflora
Bleeding Heart
           Common   Dicentra spectabilis
           Pacific   Dicentra formosa
Bluebeard
           Bluebeard, Blue Mist, Blue-spirea   Caryopteris × clandonensis
Blueberry
           Creeping  Vaccinium crassifolium
           Evergreen  Vaccinium ovatum
           Highbush  Vaccinium corymbosum
           Himalayan  Vaccinium moupinense
           Lowbush  Vaccinium angustifolium
                  Burgundy  Vaccinium angustifolium ‘Burgundy’
           Sikkim  Vaccinium sikkimense
Blue Blossom
           Blue Blossom   Ceanothus thyrsiflorus
Blue Mist
           Blue Mist, Bluebeard, Blue-spirea   Caryopteris × clandonensis
Bog Rosemary
           Bog Rosemary  Andromeda polifolia
Boxelder
           Boxelder  Acer negundo
                  Sensation  Acer negundo ‘Sensation’
                  Variegated  Acer negundo ‘Variegata’
Boxwood      (Buxus)
           Common  Buxus sempervirens
           Edging  Buxus sempervirens ‘Suffruticosa’
           Littleleaf  Buxus microphylla
                  Korean Littleleaf   Buxus microphylla var. koreana
           Truetree   Buxus sempervirens ‘Arborescens’
           Winter Gem  Buxus microphylla var. koreana ‘Winter Gem’
           Wintergreen  Buxus microphylla var. koreana ‘Wintergreen’
Brittlebush
           Brittlebush, Inceinso  Encelia farinosa
Broom
           Lydia  Genista lydia
           Pineapple  Cytisus battandieri
           Scotch  Cytisus scoparius
                  Moonlight Scotch Broom  Cytisus scoparius ‘Moonlight’
           Silkyleaf  Genista pilosa
Buckbrush
           Buckbrush  Ceanothus sanguineus
           Buckbrush, Coralberry, Indiancurrant Coralberry  Symphoricarpos orbiculatus
           Common or Narrowleaf  Ceanothus cuneatus
Buckeye
           Bottlebrush  Aesculus parviflora
           Georgia, Painted  Aesculus sylvatica
           Ohio, Fetid  Aesculus glabra
           Painted, Georgia  Aesculus sylvatica
           Red, Red-flowering  Aesculus pavia
           Texas, White  Aesculus glabra var. arguta  (syn. Aesculus arguta)
           Yellow, Sweet  Aesculus flava  (syn. Aesculus octandra)
Buckthorn
           California, Coffeeberry  Rhamnus californica
           Cascara Buckthron, Cascara, Chittam  Rhamnus purshiana
           Woolly-buckthorn, False-buckthorn, Southern-buckthorn  Bumelia lanuginoisia   (syn. Sideroxylon lanuginosum).
Buffaloberry
           Russet, Canadian  Shepherdia canadensis
           Silver, Thorny  Shepherdia argentea
Bugle
           Carpet Bugle   Ajuga reptans
Bugloss
           Siberian   Brunnera macrophylla
Bullbay
           Bullbay, Southern Magnolia   Magnolia grandiflora
Bumelia
           Gum    Bumelia lanuginosia  (syn. Sideroxylon lanuginosum)
Bunchberry
           Bunchberry   Cornus canadensis
Burning Bush
           Burning Bush, Compact Winged Euonymus   Euonymus alatus ‘Compactus’
Busy Lizzie
           Busy Lizzie, Impatiens   Impatiens walleriana
Butterfly Bush    (Buddleia, Buddleja)
           Butterfly Bush  Buddleia davidii
           Orange Butterfly Bush, Orange Ball Tree   Buddleia globosa
           Sungold Butterfly Bush   Buddleia × weyeriana ‘Sungold’
Buttonbush
           Buttonbush, Honey Bells, Button Willow, Globe Flower  Cephalanthus occidentalis
California Bay
            California Bay, Oregon Myrtle   Umbellularia californica
Camellia
           Japanese   Camellia japonica
           Sasanqua   Camellia sasanqua
Camphor
           Tree, Laurel  Cinnamomum camphora
Candytuft
           Evergreen Candytuft  Iberis sempervirens
           Evergreen Candytuft   Iberis sempervirens  (Herbaceous Ornamental Plants)
Carob
           Carob, St. John's Bread  Ceratonia siliqua
Carpet Bugle
           Carpet Bugle  Ajuga reptans
Carolina Allspice
           Carolina Allspice, Common Sweetbush  Calycanthus floridus
Cascara
           Cascara, Cascara Buckthron, Chittam  Rhamnus purshiana
Caragana
           See Caragana, Peashrub  Caragana
Cardinal Flower
            Cardinal Flower   Lobelia cardinalis
Catalpa
            Northern, Western   Catalpa speciosa
            Purple  Catalpa × erubescens ‘Purpurea’
            Southern, Eastern   Catalpa bignonioides
Ceanothus
           Blue Blossom  Ceanothus thyrsiflorus
           Carmel Creeper  Ceanothus griseus var. horizontalis
           Centennial  Ceanothus 'Centennial'
           Concha  Ceanothus 'Concha'
           Deer Brush  Ceanothus integerrimus
           El Dorado  Ceanothus 'El Dorado'
           Henri Desfosse  Ceanothus ×delilianus ‘Henri Desfosse’
           Monterey  Ceanothus cuneatus var. rigidus
           Point Reyes   Ceanothus gloriosus
           Redstem  Ceanothus sanguineus
           Santa Barbara   Ceanothus impressus
           Snowball  Ceanothus cuneatus var. rigidus ‘Snowball’   (syn. Ceanothus rigidus ‘Snowball’)
           Shiny-leaved  Ceanothus velutinus  (Also, Snowbrush, Cinnamon Bush, Tobacco Bush, Geasewood, Soapwood)
           Wedgleaf  Ceanothus cuneatus  (Also, Common or Narrowleaf Buckbrush)
           Yankee Pont  Ceanothus griseus var. horizontalis 'Yankee Point'
Cedar
           Atlas  Cedrus atlantica (syn. Cedrus libani subsp. atlantica)
                  Blue Atlas  Cedrus atlantica ‘Glauca’ (syn. Cedrus libani subsp. atlantica ‘Glauca’)
                 Weeping Blue Atlas  Cedrus atlantica ‘Glauca Pendula’
           Cedar of Lebanon  Cedrus libani
           Alaska, Yellow  Chamaecyparis nootkatensis  (syn. Xanthocyparis nootkatensis)
                 Aurea  Chamaecyparis nootkatensis ‘Aurea’
                 Strict Weeping  Chamaecyparis nootkatensis ‘Strict Weeping’
                 Weeping  Chamaecyparis nootkatensis ‘Pendula’
           Atlantic Whitecedar  Chamaecyparis thyoides   (syn. White)
           Blue Atlas  Cedrus atlantica ‘Glauca’ (syn. Cedrus libani subsp. atlantica ‘Glauca’)
                 Weeping  Cedrus atlantica ‘Glauca Pendula’
           Brevifolia  Cedrus libani subsp. brevifolia  (syn. Cedrus libani 'Brevifolia')
           Cypress, Cyprian  Cedrus libani subsp. brevifolia
           Deerhorn  Thujopsis dolabrata
           Deodar  Cedrus deodora
                  Aurea, Golden  Cedrus deodora ‘Aurea’
                  Feelin' Blue  Cedrus deodora ‘Feelin' Blue’
                  Gold Cascade  Cedrus deodora ‘Gold Cascade’
                  Golden Horizon  Cedrus deodora ‘Golden Horizon’
                  Mylor  Cedrus deodora ‘Mylor’
           Eastern Redcedar  Juniperus virginiana
           Elkhorn  Thujopsis dolabrata
                  Dwarf Elkhorn  Thujopsis dolabrata ‘Nana’
           Formosan  Taiwania cryptomerioides
           Green Prince  Cedrus libani 'Green Prince'  (syn. Green Prince Cedar of Lebanon)
           Incense  Calocedrus decurrens
                  Maupin Glow  Calocedrus decurrens ‘Maupin Glow’
           Japanese   Cryptomeria japonica
           Plume, Plume Cryptomeria   Cryptomeria japonica ‘Elegans’
           Port Orford, Lawson Falsecypress   Chamaecyparis lawsoniana
           Stenocoma  Cedrus libani 'Stenocoma'
           Western Red  Thuja plicata
           Yellow, Alaska  Chamaecyparis nootkatensis
           White  Chamaecyparis thyoides   (syn. Atlantic Whitecedar)
Chaste Tree
           Chaste Tree, Chastetree  Vitex agnus-castus
Cherry
           Accolade   Prunus ‘Accolade’
           Akebono Yoshino   Prunus × yedoensis ‘Akebono’
           Amur  Prunus maackii
           Autumn Flowering Higan   Prunus subhirtella var. autumnalis
           Birchbark, Paperbark  Prunus serrula
           Bird, Birdcherry (European)  Prunus paduus
           Bitter  Prunus emarginata
           Cascade Snow  Prunus Cascade Snow™   (syn. P. × yedoensis Cascade Snow™; Prunus ‘Berry’)
           Double Weeping Higan  Prunus subhirtella ‘Yae-shidare-higan’
           Dream Catcher  Prunus ‘Dream Catcher’
           European Dwarf or Ground, Mongolian, Steppe  Prunus fruticosa
           Frist Lady  Prunus ‘First Lady’
           Higan Cherry  Prunus subhirtella
                  Autumn Flowering Higan  Prunus subhirtella var. autumnalis
                  Double Weeping Higan  Prunus subhirtella ‘Yae-shidare-higan’
                  Weeping Higan  Prunus subhirtella ‘Pendula’
                  Whitcomb Flowering Higan  Prunus subhirtella ‘Whitcomb’
                  Yae-shedaare Higan  Prunus subhirtella ‘Yae-shidare-higan’
           Japanese Flowering Cherry   Prunus serrulata
                  Kanzan or Kwansan  Prunus serrulata ‘Kansan’   (syn.  ‘Kwansan’)
                  Mt. Fuji   Prunus serrulata ‘Mt. Fuji’
                  Royal Burgundy Prunus serrulata ‘Royal Burgundy’
                  Shiro-fugen    Prunus serrulata ‘Shiro-fugen’
                  Tai Haku  Prunus ‘Tai Haku’
                  Ukon   Prunus serrulata ‘Ukon’
           Manchurian  Prunus maackii
           Mongolian, European Dwarf or Ground, Steppe  Prunus fruticosa
           Okame  Prunus ‘Okame’
           Paperbark, Birchbark  Prunus serrula
           Sand, Western Sand  Prunus besseyi
           Sandcherry (Purpleleaf, Redleaf or Cistena)  Prunus × cistena
           Sargent  Prunus sargentii
                  Columnar  Prunus sargentii ‘Columnaris’
           Snow Fountains ('Snofzam')  Prunus Snow Fountains®
           Snow Goose  Prunus ’Snow Goose’  (syn. Prunus subhirtella ‘Snow Goose’)
           Steppe, European Dwarf, European Ground, Mongolian  Prunus fruticosa
           Tai Haku  Prunus ‘Tai Haku’
           Weeping Higan   Prunus subhirtella ‘Pendula’
           Whitcomb Flowering Higan   Prunus subhirtella ‘Whitcomb’
           Yae-shedaare Higan  Prunus subhirtella ‘Yae-shidare-higan’
           Yoshino   Prunus × yedoensis
Cherrylaurel, Cherry-laurel
           Carolina Cherrylaurel, American Cherrylaurel  Prunus caroliniana
           Cherrylaurel, English Cherrylaurel  Prunus laurocerasus
Chestnut
           American  Castanea dentata
           Chinese  Castanea mollissima
           European, Sweet, Spanish  Castanea sativa

Chinese Stranvaesia   see  Photinia davidiana

Chinkapin, Chinquapin
           Golden  Chrysolepis chrysophylla
Chitalpa
           Pink Dawn Chitalpa   Chitalpa tashkentensis ‘Pink Dawn’
Chittamwood (Chittimwood)
           (American Smoketree)   Cotinus obovatus
           (Gum Bumelia, Woolly-buckthorn)   Bumelia lanuginosia
Chokeberry
           Black   Aronia melanocarpa
           Brilliant Red   Aronia arbutifolia ‘Brilliantissima’
Chokecherry
           Amur  Prunus maackii
           Canada Red (Schubert, Shubert)  Prunus virginiana 'Canada Red'
           Common  Prunus virginiana
           Western  Prunus virginiana var. demissa
Cinquefoil
            Bush Cinquefoil  Potentilla fruticosa
Clematis    (Clematis)  (syn. Virginsbower)
           Anemone  Clematis montana var. rubens
           Evergreen  Clematis armandii
           Fern-leaved  Clematis cirrhosa var. balearica
           Golden  Clematis tangutica
           Hybrid   Clematis   hybrid
           Leatherleaf, Sweet Autumn, Japanese  Clematis terniflora
           Italian  Clematis viticella
           Japanese, Leatherleaf, Sweet Autumn  Clematis terniflora
           Sweet Autumn (Sweet Autumn Virginsbower)  Clematis terniflora
Coffeeberry
           Coffeeberry, California Coffeeberry, California Buckthorn  Rhamnus californica
Coffeetree
           Kentucky Coffeetree   Gymnocladus dioicus
Columbine
           Hybrid   Aquilegia × hybrida
Cone Flower
           Orange  (Black-eyed Susan)   Rudbeckia fulgida
           Purple   Echinacea purpurea
Coral Bells
           Coral Bells   Heuchera spp.
Coralberry (also see Snowberry)
           Coralberry, Indiancurrant Coralberry  Symphoricarpos orbiculatus
           Doorenbos  Symphoricarpos × doorenbosii
                  Magic Berry  Symphoricarpos × doorenbosii ‘Magic Berry’
Coreopsis
           Coreopsis   Coreopsis grandiflora
           Thread Leaf   Coreopsis verticillata
                  Moonbeam   Coreopsis verticillata 'Moonbeam'
Corktree
           Amur Corktree  Phellodendron amurense
           Chinese Corktree, Chinese Phellodendron  Phellodendron chinensis
           Sakhalin Corktree, Sakhalin Phellodendron  Phellodendron chinensis
Corneliancherry
           Corneliancherry    Cornus mas
Cornflower
           Perennial   Centaurea montana
Corylopsis
           Corylopsis    Corylopsis spp.
Cotoneaster   (Cotoneaster)
           Autumn Fire   Cotoneaster salicifolius ‘Autumn Fire’
           Bearberry  Cotoneaster dammeri
           European   Cotoneaster integerrimus
           Franchet   Cotoneaster franchetii
           Hollyberry  Cotoneaster bullatus
           Littleleaf   Cotoneaster microphyllus
           Parney  Cotoneaster lacteus
           Pyrenees  Cotoneaster congestus
           Rockspray   Cotoneaster horizontalis
           Simons  Cotoneaster simonsii
           Spreading  Cotoneaster divaricatus
           Tom Thumb  Cotoneaster apiculatus ‘Tom Thumb’  also given as C. adpressus ‘Tom Thumb’
           Willowleaf   Cotoneaster salicifolius
Cottonwood
           Black  Populus trichocarpa
           Eastern  Populus deltoides
           Fremont  Populus fremontii
           Narrowleaf, Mountain  Populus angustifolia
           Western  Populus fremontii
Cowberry
           Cowberry, Lingonberry   Vaccinium vitis-idaea
Crabapple  (Malus)
           Carmine   Malus × atrosanguinea
           Japanese Flowering   Malus floribunda
           Pigmy  Malus sargentii
           Prairifire   Malus ‘Prairifire’
           Sargent   Malus sargentii
           Snowdrift  Malus ‘Snowdrift’
           Tea   Malus hupehensis
           Western, Pacific, Oregon  Malus fusca
Cranberry
           Cranberry, American Cranberry  Vaccinium macrocarpon
Cranberrybush   see Viburnum
Cranesbill
           Bloody   Geranium ssp.
Crape Myrtle  (Lagerstroemia)
           Common   Lagerstroemia indica
           Fauri  Lagerstroemia fauriei
Creeper
           Crinkle-leaf   Rubus calycinoides  (syn. Rubus pentalobus))
           Virginia    Parthenocissus quinquefolia
Creosote Bush
           Creosote Bush  Larrea tridentata
Crimson Glory Vine
           Crimson Glory Vine  Vitis coignetiae
Crocus
           Crosus spp.
Cryptomeria
           Japanese Cryptomeria, Japanese Cedar   Cryptomeria japonica
           Plume Cryptomeria, Plume Cedar   Cryptomeria japonica ‘Elegans’
Currant
           Chaparral  Ribes malvaceum
           Flowering  Ribes sanguineum
           Golden, Buffalo  Ribes aureum
           Golden, Missoui, Clove  Ribes odoratum   (R. aureum var. villosum)
           Gordon's  Ribes × gordonianum
           Mountain Pink, Sierra, Pink Sierra  Ribes nevadese
           Wax  Ribes cereum
Custard Apple
           Custard Apple, Common Pawpaw  Asimina triloba
Cypress
           Alumii  Chamaecyparis lawsoniana ‘Alumii’
           Arizona  Cupressus arizonica   see Smooth Arizona  Cupressus glabra
           Baker, Modoc  Cupressus bakeri
           Bald  Taxodium distichum
           Blue Ice  Cupressus glabra ‘Blue Ice’
           Blue Spire  Cupressus glabra ‘Blue Spire’
           Blue Swirl  Cupressus lusitanica ‘Blue Swirl’
           Ellwood   Chamaecyparis lawsoniana ‘Ellwoodii’
           Golden Pillar  Cupressus macrocarpa ‘Golden Pillar’
           Italian, Mediterranean  Cupressus sempervirens
           Karoonda  Cupressus macrocarpa ‘Karoonda’
           Leyland  ×Cupressocyparis leylandii
                  Emerald Isle  ×Cupressocyparis leylandii Emerald Isle®  (‘Moncal’)
                  Golconda  ×Cupressocyparis leylandii ‘Golconda’
           Mexican  Cupressus lusitanica
           Monterey  Cupressus macrocarpa
                  Golden Pillar  Cupressus macrocarpa ‘Golden Pillar’
                  Karoonda  Cupressus macrocarpa ‘Karoonda’
                  Wilma Goldcrest  Cupressus macrocarpa ‘Wilma Goldcrest’
           Pond  Taxodium ascendens
           Raywood's Weeping  Cupressus glabra ‘Raywood's Weeping’
           Scarab   Chamaecyparis lawsoniana ‘Alumii’
           Siberian Cypress, Russian Arborvitae  Microbiota decussata
           Smooth Arizona  Cupressus glabra    (syn. Cupressus arizonica var. glabra)
                  Blue Ice  Cupressus glabra ‘Blue Ice’
                  Blue Spire  Cupressus glabra ‘Blue Spire’
                  Chaparral  Cupressus glabra ‘Chaparral’
                  Raywood's Weeping  Cupressus glabra ‘Raywood's Weeping’
                  Sulphuera, Sulfurea  Cupressus glabra ‘Sulphurea’ or ;‘Sulfurea’
           Sulphuera, Sulfurea  Cupressus glabra ‘Sulphurea’ or ;‘Sulfurea’
           Swain's Golden  Cupressus sempervirens ‘Swane's Golden’
           Tiny Tower  Cupressus sempervirens Tiny Tower™
           White  Chamaecyparis thyoides   (syn. Atlantic Whitecedar)
           Wilma Goldcrest  Cupressus macrocarpa ‘Wilma Goldcrest’
Daffodil
           Daffodil   Narcissus ssp.
Dahlia
           Dahlia   Dahlia ssp.
Daisy Bush
           Daisy Bush  Brachyglottis greyi
           Daisy Bush, New Zealand Holly  Olearia macrodonta
Daphne   (Daphne)
           Burkwood Daphne
                  ‘Briggs Moonlight’    Daphne × burkwoodii ‘Briggs Moonlight’
                  ‘Carol Mackie’    Daphne × burkwoodii ‘Carol Mackie’
           Caucasian Daphne   Daphne caucasica
           February Daphne   Daphne mezereum
           Fragrant Daphne  Daphne odora
                  Variegated Fragrant Daphne  Daphne odora ‘Marginata’
           Garland  Daphne cneorum
           Rock, Rose  Daphne cneorum
           Spurge Laurel  Daphne laureola
Daylily
           Daylily   Hemerocallis spp.
Dead Nettle
           Spotted   Lamium maculatum
Deer Brush
           Deer Brush   Ceanothus integerrimus
Delphinium
           Delphiniium   Delphinium elatum
Desert Holly
           Desert Holly  Atriplex hymenelytra
Desert Willow
           Desert Willow  Chilopsis linearis
Deutzia   (Deutzia)
           Fuzzy   Deutzia scabra ‘Flore-pleno’
           Lemoine   Deutzia × lemoinei
           Slender   Deutzia gracilis
                  Nikko Slender  Deutzia gracilis ‘Nikko’
Devil's Club
           Devil's Club  Oplopanax horridum
Dewberry
           Dewberry, also California, Trailing, Pacific, or Western Blackberry  Rubus ursinus
Dogwood      (Cornus)
           Bloodtwig  Cornus sanguinea
                  Midwinter Fire  Cornus sanguinea 'Midwinter Fire'
           Bunchberry  Cornus canadensis
           Corneliancherry   Cornus mas
                  Japanese   Conus officinalis (also, Korean and Chinese)
           Evergreen, Bentham's Cornel  Cornus capitata
           Flowering   Cornus florida
                  Gold Nugget  Cornus florida 'Gold Nugget'
                  Tricolor, Welch  Cornus florida 'Welchii'
           Giant  Cornus controversa
                  June Snow  Cornus controversa 'June Snow'
           Golden Twig  Cornus sericea ‘Flaviramea’
           Gray  Cornus racemosa
           Hybrid Flowering/Kousa  Cornus florida  ×Cornus kousa  (syn. Cornus × rutgersensis)
           Japanese Cornel (also Korean and Chinese)   Cornus officinalis
           Kousa  Cornus kousa
                  Gold Star  Cornus kousa 'Gold Star'
                  Radiant Star  Cornus kousa 'Radiant Star'
                  Sunsplash  Cornus kousa 'Sunsplash'
           Pacific, Western   Cornus nuttallii
                  Eddiei, Goldspot  Cornus nuttallii 'Eddiei' (syn. 'Goldspot')
           Pagoda  Cornus alternifolia
           Redosier  Cornus sericea
                  Kelsey  Conus sericea ‘Kelseyi’
           Rough-leaved  Cornus drummondii
           Starlight  Cornus Starlight^® 
           Tatarian, Tartarian   Cornus alba
                  Ivory Halo™, (syn. ‘Baihalo’)  Cornus alba Ivory Halo™
                  Variegated Tatarian  Cornus alba ‘Elegantissima’
Douglas-fir
           Bigcone Douglas Fir  Pseudotsuga macrocarpa
           Douglas Fir  Pseudotsuga menziesii
                  Graceful Grace  Pseudotsuga menziesii ‘Graceful Grace’
           Rocky Mountain or Interior Douglas Fir  Pseudotsuga menziesii var. glauca
           Taiwan Douglas Fir  Pseudotsuga wilsoniana
Dove Tree
           Dove Tree   Davidia involucrata
Elaeagnus  (Elaeagnus)
           Autumn (Autumn Olive)  Elaeagnus umbellata
           Ebbinge’s  Elaeagnus ebbingei
                  Gilt Edge Elaeagnus/Silverberry/  Elaeagnus × ebbingei ‘Gilt Edge’
           Thorny (cv. Maculata)  Elaeagnus pungens ‘Maculata’
Elderberry or Elder  (Sambucus)
           Black, Common, European  Sambucus nigra
           Blue  Sambucus caerulea  (syn. S. cerulea, S. mexicana)
           Red  Sambucus racemosa
Elm  (Ulmus)
           American  Ulmus americana
           Dutch, Hybrid  Ulmus × hollandica
           Homestead  Ulmus 'Homestead'
           Scotch  Ulmus glabra
                  Camperdown Scotch  Ulmus glabra ‘Caperdownii’
           Lacebark, Chinese  Ulmus parvifolia
                  Frosty or Variegated Lacebark or Chinese  Ulmus parvifolia ‘Frosty’
                  Seiju Dwarf  Ulmus parvifolia ‘Seiju’
           Siberian   Ulmus pumila
Empress Tree
           Empress Tree, Royal Paulownia   Paulownia tomentosa
Enkianthus
           Redvein Enkianthus   Enkianthus campanulatus
Epaulette Tree
           Epaulette, Fragrant Epaulette  Pterostyrax hispida
Escallonia   (Escallonia)
           Pink Escallonia  Escallonia laevis
                  Gold Brian  Escallonia laevis ‘Gold Brian’
           Langley Escallonia  Escallonia × langleyensis
                  Apple Blossom  Escallonia × langleyensis ‘Apple Blossom’
                  Pride of Donard  Escallonia × langleyensis ‘Pride of Donard’
Eucalyptus   see Gum or the genus (Eucalyptus)
Euonymus   (Euonymus)
           American, Strawberry Bush, Hearts-a-Burstin'  Euonymus americanus
           Box  Euonymus japonicus ‘Microphyllus’
                   Butterscotch   Euonymus japonicus ‘Microphyllus Butterscotch’
                   Variegated    Euonymus japonicus ‘Microphyllus Variegata’
           Compact Winged, Burning Bush  Euonymus alatus ‘Compactus’
           European, Common Spindle Tree  Euonymus europaeus
           Japanese   Euonymus japonicus
                   Variegated    Euonymus japonicus
           Wintercreeper   Euonymus fortunei
Evodia
           Korean, Beebee Tree  Tetradium daniellii, syn. Evodia daniellii
Falsecypress
           Alumii, Allumii, Scarab Cypress  Chamaecyparis lawsoniana ‘Alumii’
           Ellwood  Chamaecyparis lawsoniana ‘Ellwoodii’
           Golden Showers  Chamaecyparis lawsoniana ‘Golden Showers’
           Hinoki  Chamaecyparis obtusa
                      Slender  Chamaecyparis obtusa ‘Gracilis’
                      (dwarf/compact forms)  Chamaecyparis obtusa  (dwarf forms)
           Lawson, Port Orford Cedar  Chamaecyparis lawsoniana
                  Alumii, Allumii, Scarab Cypress  Chamaecyparis lawsoniana ‘Alumii’
                  Blue Surprise  Chamaecyparis lawsoniana ‘Blue Surprise’
                  Dik's Weeping  Chamaecyparis lawsoniana ‘Dik's Weeping’
                  Duncan's  Chamaecyparis lawsoniana ‘Duncanii’
                  Ellwood  Chamaecyparis lawsoniana ‘Ellwoodii’
                  Golden Showers  Chamaecyparis lawsoniana ‘Golden Showers’
                  Green Globe  Chamaecyparis lawsoniana ‘Green Globe’
                  Miki  Chamaecyparis lawsoniana ‘Miki’
                  Scarab Cypress, Alumii, Allumii  Chamaecyparis lawsoniana ‘Alumii’
                  Treasure  Chamaecyparis lawsoniana ‘Treasure’
                  Treasure Island  Chamaecyparis lawsoniana ‘Treasure Island’
           Moss  Chamaecyparis pisifera ‘Squarrosa’
           Nootka  Chamaecyparis nootkatensis [Alaska Cedar or Yellow Cedar]  (syn. Xanthocyparis nootkatensis)
           Sawara  Chamaecyparis pisifera
                  Boulevard  Chamaecyparis pisifera ‘Boulevard’
                  Curly Tops  Chamaecyparis pisifera ‘Curly Tops’
                  Threadleaf  Chamaecyparis pisifera ‘Filifera’
                      Dwarf   Chamaecyparis pisifera‘Filifera Nana’
                      Golden   Chamaecyparis pisifera ‘Filifera Aurea’
                      Lemon Thread  Chamaecyparis pisifera ‘Lemon Thread’
                  Plumosa  Chamaecyparis pisifera ‘Plumosa’
                  Sungold  Chamaecyparis pisifera ‘Sungold’
           Whitecedar  Chamaecyparis thyoides   (syn. Atlantic Whitecedar, White Cedar)
False Solomon's Seal
           False Solomon's Seal   Smilacina racemosa
Fatshedera
           Fatshedera    × Fatshedera lizei
Fatsia
           Japanese Fatsia   Fatsia japonica
Feijoa
           Feijoa, Pineapple Guava  Feijoa sellowiana
Fern
           Swordfern    Polystichum munitum
Fescue
           Blue   Festuca cinerea
Filbert      also see Hazel
           Contorted Filbert, Harry Lauder's Walking Stick  Corylus avellana ‘Contorta’
           European Filbert, Hazelnut  Corylus avellana
           Turkish Filbert  Corylus colurna
Fir
           Balsam  Abies balsamea
                  Dwarf Balsam   Abies balsamea‘Nana’
           China  Cunninghamia lanceolata
                  Blue China  Cunninghamia lanceolata ‘Glauca’
           Douglas-fir  Pseudotsuga menziesii
           Grand  Abies grandis
                  Johonson Grand  Abies grandis ‘Johnsonii’
           Himalayan (West)  Abies pindrow
           Korean  Abies koreana
                  Golden  Abies koreana ‘Aurea’
                  Horstmann's Silberlocke  Abies koreana ‘Horstmann's Silberlocke’
                  Silver Show  Abies koreana ‘Silver Show
           Noble  Abies procera
                  Glauca Prostrata Noble  Abies procera ‘Glauca Prostrata’
           Nordmann, Caucasian   Abies nordmanniana
                  Golden Spreader   Abies nordmanniana ‘Golden Spreader’
           Silver (Pacific)  Abies amabilis
           Spanish  Abies pinsapo
                  Aurea Spanish, Golden Spanish  Abies pinsapo ‘Aurea’
                  Blue Spanish, Glauca Spanish  Abies pinsapo ‘Glauca’
           Subalpine, Rocky Mountain  Abies lasiocarpa
           West Himalayan  Abies pindrow
           White  Abies concolor
                  Blue Cloak  Abies concolor ‘Blue Cloak’
                  Candicans White   Abies concolor ‘Candicans’
Flannel Bush
           Flannel Bush  Fremontodendron spp.
Firethorn (Pyracantha)
           Formosan  Pyracantha koidzumii
           Scarlet  Pyracantha coccinea
Foam Flower
           Foam Flower   Tiarella cordifolia
Forget-me-not
           Siberian   Brunnera macrophylla
           Woodland   Myosotis sylvatica
Forsythia
           Border   Forsythia × intermedia
           Broxensis Greenstem   Forsythia viridissim 'Bronxensis'
           White   Abeliophyllum distichum
Fothergilla  (Fothergilla)
           Dwarf  Fothergilla gardenii
           Large  Fothergilla major   (now includes those previously known as F. monticola, Alabama Fothergilla)
Fountain Grass
           Fountain Grass   Pennisetum alopecuroides
Fox Glove
           Common   Digitalis purpurea
Franklin Tree
           Franklin Tree  Franklinia alatamaha
Fremontia
           Fremontodendron  Fremontodendron
Fringe-flower
           Chinese  Loropetalum chinense
                      Pink-flowering (Chinese)  Loropetalum chinense var. rubrum
Fringetree   (Chionanthus)
           Chinese  Chionanthus retusus
           White  Chionanthus virginicus
Fuchsia
           Magellan, Hardy  Fuchsia magellanica
Geum
           Geum   Geum hybrids
Ginkgo
           Ginkgo, Maidenhair Tree   Ginkgo biloba
Globe Thistle
            Veitch’s Blue Globe Thistle  Echinops ritro ‘Veitch’s Blue’
Glorybower
           Harlequin   Clerodendrum trichotomum
Glory Bush
           Glory Bush, Pincess Flower, Lasiandra  Tibouchina urvilleana
Glory Vine
           Crimson   Vitis coignetiae
Gold Dust Plant
           Gold Dust Plant   Aucuba japonica ‘Variegata’
Goldenchain Tree
           Goldenchain Tree   Laburnum × watereri
Golden Raintree
           Golden Raintree   Koelreuteria paniculata
Gorse
           Common Gorse   Ulex europaeus
Grape Holly, Oregon
           Oregon Grape Holly, Oregon Grape   Mahonia aquifolium   (Berberis aquifolium)
Grape Hyacinth
           Grape Hyacinth   Muscaria armeniacum
Grevillea  (Grevillea)
           Rosemary   Grevillea rosmarinifolia
           Royal   Grevillea victoriae
           Woolly Grevillea  Grevillea lanigera
                  Coastal Gem  Grevillea lanigera
Greasewood
           Greasewood, Narrowleaf Buckbrush, Wedgeleaf Ceanothus  Ceanothus cuneatus
Gum   (Eucalyptus)
           Blakely's Red, Forest Red  Eucalyptus blakelyi
           Omeo  Eucalyptus neglecta
           Narrow-leaved Peppermint, Willow-leaved Peppermint  Eucalyptus nicholii
           Silver Dollar, (Argyle Apple)  Eucalyptus cinerea
           Small Leaved, Small-leaved, Kybean  Eucalyptus parvula   (syn. Eucalyptus parvifolia)