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Scientific Name List

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Your search returned 1015 results.
Cabomba caroliniana  - Carolina fanwort
Caesalpinia coriaria  - divi-divi
Caesalpinia gilliesii  - poinciana
Caesalpinia pulcherrima  - pride of barbados
Caladium bicolor  - angel wings
Caladium 'Burning Heart'  - elephant's ear
Calamagrostis × acutiflora  - feather reed grass
Calamagrostis × acutiflora 'Karl Foerster'  - feather reed grass   ( POM )
Calamintha nepeta  - calamint
Calamintha nepeta subsp. nepeta  - calamint   ( POM )
Calamovilfa arcuata  - Cumberland reed grass
Calathea lancifolia  - rattlesnake plant
Calathea makoyana  - peacock plant
Calathea zebrina  - zebra plant
Calendula officinalis  - marigold
Calibrachoa (group)  - million bells
Calla palustris  - water arum
Calliandra haematocephala  - powder puff tree
Callicarpa americana  - beautyberry
Callicarpa bodinieri  - beautyberry
Callicarpa cathayana  - beautyberry
Callicarpa dichotoma  - beautyberry
Callicarpa japonica  - Japanese beautyberry
Callicarpa shikokiana  - shikoku beautyberry
Callicoma serratifolia  - black wattle
Callirhoe alcaeoides  - prairie poppy mallow
Callirhoe alcaeoides 'Logan Calhoun'  - prairie poppy mallow
Callirhoe bushii  - Bush's poppy mallow
Callirhoe digitata  - fringed poppy mallow
Callirhoe involucrata  - purple poppy mallow   ( POM )
Callirhoe triangulata  - clustered poppy mallow
Callistemon acuminatus  - bottlebrush bush
Callistemon citrinus  - crimson bottlebrush
Callistemon pallidus  - lemon bottlebrush
Callistemon rigidus  - stiff bottlebrush
Callistemon 'Woodlander's Hardy'  - bottlebrush bush
Callistephus chinensis  - China aster
Calluna vulgaris  - Scotch heather
Calluna vulgaris 'Beoley Gold'  - Scotch heather
Calluna vulgaris 'Gold Haze'  - Scotch heather
Calocedrus decurrens  - incense cedar
Calopogon tuberosus  - grass pink orchid
Calotropis gigantea  - giant milkweed
Calotropis procera  - roostertree
Caltha palustris  - marsh marigold
Calycanthus chinensis  - Chinese sweetshrub   ( POM )
Calycanthus floridus  - Carolina allspice   ( POM )
Calycanthus floridus 'Athens'  - Carolina allspice
Calycanthus occidentalis  - Californian allspice
Calycanthus 'Venus'  - Carolina allspice
Calylophus serrulatus  - shrubby evening primrose
Camassia angusta  - prairie camas
Camassia cusickii  - Cusick's camass   ( POM )
Camassia leichtlinii  - large camas
Camassia scilloides  - wild hyacinth
Camellia crapnelliana  - camellia
Camellia edithae  - camellia
Camellia furfuracea  - camellia
Camellia japonica  - camellia
Camellia oleifera  - camellia
Camellia rosiflora  - camellia
Camellia sasanqua  - camellia
Campanula americana  - tall bellflower
Campanula bononiensis  - bellflower
Campanula collina  - bellflower
Campanula garganica 'Dickson's Gold'  - Adriatic bellflower
Campanula glomerata  - clustered bellflower
Campanula glomerata BELLEFLEUR BLUE  - clustered bellflower
Campanula glomerata 'Caroline'  - clustered bellflower
Campanula glomerata 'Church Bells'  - clustered bellflower
Campanula glomerata 'Superba'  - clustered bellflower
Campanula glomerata var. alba  - clustered bellflower
Campanula incurva  - bellflower
Campanula kemulariae  - bellflower
Campanula 'Kent Belle'  - bellflower
Campanula lactiflora 'Pouffe'  - milky bellflower
Campanula latifolia  - bellflower
Campanula persicifolia  - willow bell
Campanula persicifolia 'Chettle Charm'  - peach-leaved bellflower
Campanula portenschlagiana 'Aurea'  - Dalmation bellflower
Campanula poscharskyana  - Serbian bellflower
Campanula poscharskyana 'Stella'  - Serbian bellflower
Campanula punctata  - spotted bellflower
Campanula punctata 'Cherry Bells'  - spotted bellflower
Campanula punctata 'Pink Chimes'  - spotted bellflower
Campanula rapunculoides  - rampion bellflower
Campanula rapunculus  - rampion
Campanula 'Sarastro'  - bellflower
Campanula sarmatica  - bellflower
Campanula trachelium  - nettle-leaved bellflower
Campsis grandiflora  - Chinese trumpet creeper
Campsis grandiflora 'Morning Calm'  - Chinese trumpet creeper
Campsis radicans  - trumpetcreeper
Campsis radicans 'Apricot'  - trumpetcreeper
Campsis radicans f. flava  - trumpetcreeper
Campsis × tagliabuana  - trumpet creeper
Camptosema praeandinum  - camptosema
Canna 'Australia'  - canna
Canna (group)  - canna
Canna 'Striata'  - canna   ( POM )
Capparis spinosa  - caper
Capsicum annuum  - cayenne pepper
Capsicum annuum 'Bananarama'  - sweet pepper   ( POM )
Capsicum annuum 'Black Pearl'  - ornamental pepper   ( POM )
Capsicum annuum 'Emerald Fire'  - hot pepper   ( POM )
Capsicum annuum 'Onyx Red'  - ornamental pepper   ( POM )
Capsicum annuum 'Park's Early Thickset'  - sweet bell pepper   ( POM )
Capsicum annuum 'Purple Flash'  - ornamental pepper   ( POM )
Capsicum chinense  - pepper
Capsicum chinense 'Roulette'  - habanero pepper
Caragana arborescens  - Siberian peashrub
Caragana rosea  - rose peashrub
Cardamine concatenata  - cutleaf toothwort
Cardamine pratensis  - bitter cress
Cardamine trifolia  - trifoliate bittercress
Cardiandra alternifolia  - Cardiandra
Cardiocrinum giganteum  - giant lily
Carex alata  - broadwing sedge
Carex albicans  - white-tinged sedge
Carex annectens  - sedge
Carex bicknellii  - prairie sedge
Carex bromoides  - brome-like sedge
Carex buchananii  - leatherleaf sedge
Carex buchananii 'Red Rooster'  - leatherleaf sedge
Carex bushii  - Bush's sedge
Carex comans  - sedge
Carex crinita  - fringed sedge
Carex cristatella  - sedge
Carex crus-corvi  - sedge
Carex davisii  - Davis's sedge
Carex eburnea  - bristle-leaved sedge
Carex elata  - tufted sedge
Carex elata 'Aurea'  - Bowles' golden sedge
Carex flacca  - blue green sedge
Carex flacca 'Blue Zinger'  - blue sedge   ( POM )
Carex flaccosperma  - blue wood sedge
Carex frankii  - Frank's sedge
Carex grayi  - gray sedge
Carex haydenii  - Hayden's sedge
Carex 'Ice Dance'  - sedge   ( POM )
Carex laxiculmis  - sedge
Carex leporina  - oval sedge
Carex lurida  - sallow sedge
Carex morrowii  - Japanese grass sedge
Carex morrowii 'Goldband'  - Japanese grass sedge
Carex morrowii 'Variegata'  - Japanese grass sedge
Carex muskingumensis  - palm sedge   ( POM )
Carex nigra  - black sedge
Carex nigra 'Variegata'  - black sedge
Carex normalis  - greater straw sedge
Carex praegracilis  - clustered field sedge
Carex radiata  - eastern star sedge
Carex retroflexa  - reflexed sedge
Carex squarrosa  - squarrose sedge
Carex stricta  - tussock sedge
Carex swanii  - sedge
Carex tumulicola  - Berkeley sedge
Carex vulpinoidea  - fox sedge
Carica papaya  - papaya
Carpinus betulus  - common hornbeam
Carpinus betulus 'Fastigiata'  - common hornbeam   ( POM )
Carpinus betulus 'Pendula'  - common hornbeam
Carpinus caroliniana  - American hornbeam   ( POM )
Carpinus cordata  - hornbeam
Carpinus japonica  - Japanese hornbeam
Carpinus orientalis  - oriental hornbeam
Carya cordiformis  - bitternut hickory
Carya glabra  - pignut
Carya illinoinensis  - hardy pecan
Carya laciniosa  - shellbark hickory
Carya × laneyi  - hickory
Carya ovata  - shagbark hickory
Carya tomentosa  - mockernut
Caryota mitis  - Burmese fishtail palm
Cascabela thevetia  - yellow oleander
Cassia bakeriana  - wishing tree
Cassia fistula  - golden shower tree
Cassia grandis  - pink shower
Cassia leptophylla  - pink shower
Castanea crenata  - Japanese chestnut
Castanea dentata  - American chestnut
Castanea hybrid (15/16 B3F3)  - American chestnut hybrid
Castanea mollissima  - Chinese chestnut
Castanea ozarkensis  - Ozark chinquapin
Castanea sativa  - European chestnut
Castilleja coccinea  - Indian paintbrush
Catalpa bignonioides  - catalpa
Catalpa ovata  - Chinese catalpa
Catalpa speciosa  - catalpa
Catananche caerulea  - cupid's dart
Catharanthus roseus  - Madagascar periwinkle
Cattleya (group)  - orchid
Caulophyllum thalictroides  - blue cohosh
Cautleya cathcartii  - cautleya
Cautleya gracilis  - cautleya
Cavanillesia platanifolia  - cavanillesia
Ceanothus americanus  - New Jersey tea
Ceanothus 'Concha'  - California lilac
Ceanothus herbaceus  - inland New Jersey tea
Ceanothus 'Minmarose' MARIE ROSE  - California lilac
Ceanothus thyrsiflorus 'Skylark'  - blue mountain lilac
Cedrus atlantica  - Atlas cedar
Cedrus atlantica (Glauca Group)  - blue atlas cedar
Cedrus deodara  - deodar cedar
Cedrus deodara 'Shalimar'  - Himalayan cedar
Cedrus libani  - cedar of Lebanon
Cedrus libani 'Hedgehog'  - cedar of Lebanon
Cedrus libani 'Sargentii'  - cedar of Lebanon
Ceiba pentandra  - kapoktree
Celastrus orbiculatus  - oriental bittersweet
Celastrus scandens  - American bittersweet
Celtis australis  - Mediterranean hackberry
Celtis caucasica  - Mediterranean hackberry
Celtis laevigata  - sugarberry
Celtis occidentalis  - hackberry
Celtis pumila  - dwarf hackberry
Celtis sinensis 'Green Cascade'  - weeping Japanese hackberry
Centaurea cyanus  - cornflower
Centaurea dealbata  - knapweed
Centaurea macrocephala  - bighead knapweed
Centaurea montana  - mountain bluet
Centaurea montana 'Gold Bullion'  - perennial cornflower
Centranthus ruber  - red valerian
Centranthus ruber 'Albus'  - red valerian
Cephalanthus occidentalis  - buttonbush   ( POM )
Cephalaria gigantea  - giant pincushion flower
Cephalotaxus fortunei  - Chinese plum yew
Cephalotaxus harringtonia  - Japanese plum yew
Cephalotaxus harringtonia 'Nana'  - cow's tail pine
Cephalotaxus harringtonia YEWTOPIA  - Japanese plum yew
Cerastium arvense  - field chickweed
Cerastium arvense subsp. glandulosum  - mouse-ear chickweed
Cerastium tomentosum  - snow-in-summer
Cerastium tomentosum 'Olympia'  - snow-in-summer
Cerastium tomentosum 'Yo Yo'  - snow-in-summer
Cerasus erythrocarpa  - Asian shrub cherry
Ceratonia siliqua  - St. John's bread
Ceratopteris pteridoides  - water fern
Ceratostigma abyssinicum  - ceratostigma
Ceratostigma plumbaginoides  - plumbago   ( POM )
Cercidiphyllum japonicum  - katsura tree   ( POM )
Cercis canadensis  - eastern redbud
Cercis canadensis 'Appalachian Red'  - eastern redbud   ( POM )
Cercis canadensis 'Covey'  - eastern redbud
Cercis canadensis f. alba  - eastern redbud
Cercis canadensis f. alba 'Royal White'  - eastern redbud   ( POM )
Cercis canadensis 'Forest Pansy'  - eastern redbud   ( POM )
Cercis chinensis  - Chinese redbud
Cercis chinensis 'Avondale'  - Chinese redbud
Cercis chinensis 'Don Egolf'  - Chinese redbud
Cercis 'Merlot'  - redbud
Cercis siliquastrum  - Judas tree
Cercocarpus montanus  - mountain mahogany
Cestrum aurantiacum  - orange jessamine
Cestrum elegans  - purple cestrum
Cestrum nocturnum  - night jessamine
Chaenomeles japonica  - Japanese quince
Chaenomeles japonica var. alpina  - Japanese quince
Chaenomeles 'Orange Storm'  - flowering quince
Chaenomeles 'Pink Storm'  - flowering quince
Chaenomeles 'Scarlet Storm'  - flowering quince
Chaenomeles speciosa  - flowering quince
Chaenomeles speciosa 'Contorta'  - flowering quince
Chaenomeles × superba 'Cameo'  - flowering quince
Chamaecostus cuspidatus  - fiery costus
Chamaecrista fasciculata  - partridge pea
Chamaecyparis lawsoniana  - Lawson's cypress
Chamaecyparis obtusa  - hinoki cypress
Chamaecyparis obtusa 'Densa'  - hinoki cypress
Chamaecyparis obtusa 'Hage'  - hinoki cypress
Chamaecyparis obtusa 'Kosteri'  - hinoki cypress
Chamaecyparis obtusa 'Nana'  - hinoki cypress
Chamaecyparis obtusa 'Verdon'  - hinoki cypress
Chamaecyparis pisifera  - sawara cypress
Chamaecyparis pisifera 'Aurea'  - Japanese falsecypress
Chamaecyparis pisifera 'Aurea Pendula'  - Japanese falsecypress
Chamaecyparis pisifera 'Boulevard'  - Japanese falsecypress
Chamaecyparis pisifera 'Cream Ball'  - Japanese falsecypress
Chamaecyparis pisifera 'Curly Tops'  - Japanese falsecypress
Chamaecyparis pisifera 'Filifera'  - Japanese falsecypress
Chamaecyparis pisifera 'Filifera Aurea'  - Japanese falsecypress   ( POM )
Chamaecyparis pisifera 'Gold Spangle'  - Japanese falsecypress
Chamaecyparis pisifera 'Golden Charm'  - Japanese falsecypress
Chamaecyparis pisifera 'Golden Mop'  - Japanese falsecypress
Chamaecyparis pisifera 'Kost Yellow'  - Japanese falsecypress
Chamaecyparis pisifera 'Lemon Thread'  - Japanese falsecypress
Chamaecyparis pisifera 'Sungold'  - Japanese falsecypress
Chamaecyparis pisifera 'Tsukumo'  - Japanese falsecypress
Chamaecyparis pisifera 'Vintage Gold'  - Japanese falsecypress
Chamaecyparis thyoides  - white cypress
Chamaecytisus hirsutus  - chamaecytisus
Chamaedorea elegans  - parlor palm
Chamaedorea microspadix  - chamaedorea
Chamaedorea seifrizii  - bamboo palm
Chamaelirium luteum  - fairy wand
Chamaemelum nobile  - chamomile
Chamaerops humilis  - European fan palm
Chamaerops humilis var. humilis  - European fan palm
Chasmanthium latifolium  - northern sea oats
Chelidonium majus  - greater celandine
Chelone 'Armtipp02' TINY TORTUGA  - pink turtlehead
Chelone glabra  - white turtlehead
Chelone lyonii  - pink turtlehead
Chelone lyonii 'Hot Lips'  - pink turtlehead
Chelone obliqua  - turtlehead
Chelone obliqua 'Rosea'  - turtlehead
Chelonopsis yagiharana  - Japanese turtlehead
Chenopodium quinoa  - quinoa
Chilopsis linearis  - desert willow
Chimonanthus praecox  - wintersweet
Chionanthus retusus  - Chinese fringe tree
Chionanthus retusus 'Tokyo Tower'  - Chinese fringe tree
Chionanthus virginicus  - fringe tree   ( POM )
Chionodoxa forbesii  - glory of the snow
Chionodoxa forbesii 'Blue Giant'  - glory of the snow   ( POM )
Chionodoxa luciliae  - glory of the snow
Chionodoxa luciliae 'Alba'  - glory of the snow
Chionodoxa 'Pink Giant'  - glory of the snow   ( POM )
Chlorophytum amaniense  - St. Bernard's lily
Chlorophytum 'Bonnie'  - spider plant
Chlorophytum comosum  - spider plant
Chlorophytum 'Fire Flash'  - spider plant
Choisya arizonica 'Bluestone'  - Mexican orange
Choisya ternata  - Mexican orange
Chorisia speciosa  - silk floss tree
Chrysanthemum 'Cathy's Rust'  - daisy garden mum
Chrysanthemum 'Hillside Sheffield Pink'  - decorative garden mum
Chrysanthemum 'Jessica'  - chrysanthemum
Chrysanthemum 'Lindayo' LINDA  - chrysanthemum
Chrysanthemum 'Pumpkin Igloo'  - chrysanthemum
Chrysanthemum 'Radiant Igloo'  - chrysanthemum
Chrysanthemum 'Yobra' BRAVO  - chrysanthemum
Chrysanthemum 'Yogin' GINGER  - chrysanthemum
Chrysanthemum 'Yohannah' HANNAH  - decorative garden mum
Chrysanthemum 'Yosun' SUNDORO  - chrysanthemum
Chrysanthemum zawadskii  - chrysanthemum
Chrysogonum virginianum  - golden knee
Chrysophyllum cainito  - star apple
Chrysopsis mariana  - golden aster
Cibotium glaucum  - tree fern
Cichorium intybus  - chicory
Cinna arundinacea  - wood reed grass
Cinnamomum burmannii  - Padang cassia
Cinnamomum cassia  - Chinese cinnamon tree
Cinnamomum verum  - cinnamon
Cissus alata  - grape ivy
Cissus javana  - rex begonia vine
Cissus trifoliata  - marine ivy
Citrullus lanatus  - watermelon
Citrus hystrix  - Thai lime
Citrus limon  - lemon
Citrus maxima  - pummelo
Citrus × meyeri  - meyer lemon
Citrus × microcarpa  - calamondin
Citrus 'Ponderosa'  - giant lemon
Citrus reticulata 'Clementine'  - mandarin orange
Citrus reticulata 'Dancy'  - mandarin orange
Citrus × sinensis 'Moro'  - blood orange
Cladrastis kentukea  - yellowwood   ( POM )
Cladrastis wilsonii  - yellowwood
Clarkia amoena  - satin flower
Claytonia virginica  - spring beauty
Clematis 'Andromeda'  - clematis
Clematis crispa  - blue jasmine
Clematis × durandii  - clematis
Clematis 'Fireworks'  - clematis
Clematis fremontii  - Fremont's leather flower
Clematis fruticosa 'Mongolian Gold'  - Mongolian gold clematis
Clematis 'Henryi'  - clematis
Clematis integrifolia  - solitary clematis
Clematis integrifolia 'Caerulea'  - solitary clematis
Clematis 'Jackmanii'  - clematis
Clematis × jouiniana  - clematis
Clematis macropetala  - downy clematis
Clematis 'My Angel'  - clematis
Clematis 'Niobe'  - clematis
Clematis pitcheri  - clematis
Clematis 'Ramona'  - clematis
Clematis 'Rooguchi'  - clematis   ( POM )
Clematis scottii  - Scott's clematis
Clematis 'Snow Queen'  - clematis
Clematis tangutica  - golden-bell clematis
Clematis terniflora  - sweet autumn virginsbower
Clematis tubulosa  - clematis
Clematis versicolor  - pale leather flower
Clematis virginiana  - woodbine
Cleome 'Inncleosr' SENORITA ROSALITA  - spider flower   ( POM )
Clerodendrum bungei  - rose glory bower
Clerodendrum splendens  - glory bower
Clerodendrum thomsoniae  - bleeding heart
Clerodendrum trichotomum  - clerodendrum
Clerodendrum wallichii  - glory-bower
Clethra alnifolia  - sweet pepperbush
Clethra alnifolia 'Batsto Blush'  - sweet pepperbush
Clethra alnifolia 'Crystalina'  - sweet pepperbush
Clethra alnifolia 'Hummingbird'  - sweet pepperbush
Clethra alnifolia 'Pink Spire'  - sweet pepperbush
Clethra alnifolia 'Rosea'  - sweet pepperbush
Clethra alnifolia 'Ruby Spice'  - sweet pepperbush   ( POM )
Clethra alnifolia SHERRY SUE  - sweet pepperbush
Clethra alnifolia 'Tom's Compact'  - sweet pepperbush
Clethra barbinervis  - Japanese clethra
Clethra pringlei  - clethra
Clethra tomentosa 'Cottondale'  - woolly white alder
Cleyera japonica  - sakaki
Clinopodium arkansanum  - limestone calamint
Clitoria ternatea  - butterfly pea   ( POM )
Clivia miniata  - Natal lily
Clusia orthoneura  - clusia
Cobaea scandens  - cup and saucer vine
Cocculus carolinus  - Carolina moonseed
Cocculus orbiculatus  - cocculus
Cocos nucifera  - coconut palm
Codonopsis lanceolata  - bonnet bellflower
Coffea arabica  - coffee
Colchicum autumnale  - autumn crocus
Colchicum byzantinum  - autumn crocus
Colchicum byzantinum 'Album'  - autumn crocus
Colchicum cilicicum  - autumn crocus
Colchicum 'Disraeli'  - autumn crocus
Colchicum (group)  - autumn crocus
Colchicum laetum  - autumn crocus
Colchicum tenorei  - autumn crocus
Colchicum 'Violet Queen'  - autumn crocus
Colchicum 'Waterlily'  - autumn crocus
Collinsia verna  - blue-eyed Mary
Collinsonia canadensis  - horse balm
Colocasia gigantea  - giant elephant's ear
Colocasia gigantea 'Thailand Giant Strain'  - giant elephant's ear   ( POM )
Colquhounia coccinea  - Himalayan mint shrub
Columnea microcalyx  - columnea
Colutea × media  - bladder senna
Comptonia peregrina  - sweet fern
Conoclinium coelestinum  - blue mistflower
Conoclinium greggii  - thoroughwort
Conradina verticillata  - Cumberland rosemary
Consolida ajacis  - giant larkspur
Convallaria majalis  - lily of the valley
Convallaria majalis 'Potsdam Stripe'  - lily of the valley
Convallaria majalis var. rosea  - lily of the valley
Convolvulus cneorum  - silverbush
Convolvulus tricolor  - bindweed
Coprosma 'Black Cloud'  - Black Cloud Mirror Bush
Cordyline australis  - cabbage tree
Cordyline australis 'Salsa'  - cabbage tree
Cordyline fruticosa  - cabbage tree
Cordyline fruticosa 'Kiwi'  - cabbage tree
Cordyline indivisa  - mountain palm
Coreopsis auriculata 'Nana'  - ear-leaved tickseed
Coreopsis auriculata 'Zamphir'  - ear-leaved tickseed
Coreopsis 'Goldfink'  - tickseed
Coreopsis grandiflora  - large-flowered tickseed
Coreopsis grandiflora 'Domino'  - large-flowered tickseed
Coreopsis grandiflora 'Early Sunrise'  - large-flowered tickseed
Coreopsis grandiflora 'Mayfield Giant'  - large-flowered tickseed
Coreopsis grandiflora 'Sundancer'  - large-flowered tickseed
Coreopsis integrifolia  - fringeleaf tickseed
Coreopsis lanceolata  - lanceleaf coreopsis
Coreopsis lanceolata 'Summer Sprite'  - lanceleaf coreopsis
Coreopsis major  - greater tickseed
Coreopsis 'Moonlight'  - tickseed
Coreopsis palmata  - tickseed
Coreopsis 'Pinwheel'  - tickseed
Coreopsis pubescens  - tickseed
Coreopsis 'Red Elf'  - tickseed
Coreopsis 'Redshift'  - tickseed
Coreopsis rosea  - tickseed
Coreopsis 'Route 66'  - tickseed
Coreopsis 'Sunburst'  - tickseed
Coreopsis 'Sunray'  - tickseed
Coreopsis tinctoria  - plains coreopsis   ( POM )
Coreopsis tripteris  - tickseed
Coreopsis verticillata  - threadleaf coreopsis
Coreopsis verticillata 'Golden Dream'  - threadleaf coreopsis
Coreopsis verticillata 'Golden Gain'  - threadleaf coreopsis
Coreopsis verticillata 'Grandiflora'  - threadleaf coreopsis
Coreopsis verticillata 'Moonbeam'  - threadleaf coreopsis
Coreopsis verticillata 'Zagreb'  - threadleaf coreopsis
Coriandrum sativum  - cilantro
Cornus alba  - tatarian dogwood
Cornus alba 'Argenteomarginata'  - tatarian dogwood
Cornus alba 'Bailhalo' IVORY HALO  - tatarian dogwood
Cornus alba 'Gouchaultii'  - tatarian dogwood
Cornus alba 'Kesselringii'  - tatarian dogwood
Cornus alba 'Prairie Fire'  - tatarian dogwood
Cornus alba 'Regnzam' RED GNOME  - tatarian dogwood
Cornus alba 'Siberian Pearls'  - tatarian dogwood
Cornus alba 'Sibirica'  - tatarian dogwood
Cornus alba 'Spaethii'  - tatarian dogwood
Cornus alternifolia  - pagoda dogwood
Cornus alternifolia 'Argentea'  - pagoda dogwood
Cornus amomum  - dogwood
Cornus amomum subsp. obliqua  - swamp dogwood
Cornus canadensis  - bunchberry
Cornus capitata  - evergreen dogwood
Cornus controversa  - giant dogwood
Cornus drummondii  - dogwood
Cornus elliptica  - dogwood
Cornus florida  - flowering dogwood
Cornus florida 'Appalachian Spring'  - flowering dogwood
Cornus florida 'Cherokee Chief'  - flowering dogwood
Cornus florida 'Cherokee Princess'  - flowering dogwood
Cornus florida 'Cloud Nine'  - flowering dogwood
Cornus florida 'Comco No. 1' CHEROKEE BRAVE  - flowering dogwood   ( POM )
Cornus florida 'Daybreak'  - flowering dogwood
Cornus florida f. rubra  - flowering dogwood
Cornus florida 'Ozark Spring'  - flowering dogwood
Cornus florida 'Purple Glory'  - flowering dogwood
Cornus florida 'Red Pygmy'  - flowering dogwood
Cornus florida 'Royal Red'  - flowering dogwood
Cornus florida 'White Cloud'  - flowering dogwood
Cornus florida 'Xanthocarpa'  - flowering dogwood
Cornus foemina  - stiff dogwood
Cornus 'Kn30 8' VENUS  - hybrid dogwood
Cornus kousa  - kousa dogwood
Cornus kousa 'Fireworks'  - kousa dogwood
Cornus kousa 'Peve Limbo'  - kousa dogwood
Cornus kousa 'Satomi'  - kousa dogwood
Cornus kousa 'Snow Tower'  - kousa dogwood
Cornus kousa var. chinensis  - Chinese dogwood   ( POM )
Cornus mas  - cornelian cherry dogwood
Cornus mas 'Golden Glory'  - cornelian cherry dogwood   ( POM )
Cornus nuttallii  - mountain dogwood
Cornus officinalis  - Japanese cornelian cherry
Cornus pumila  - dwarf red-tipped dogwood
Cornus racemosa  - gray dogwood
Cornus sanguinea  - bloodtwig dogwood
Cornus sanguinea 'Cato' ARCTIC SUN  - bloodtwig dogwood
Cornus sanguinea 'Compressa'  - bloodtwig dogwood
Cornus sanguinea 'Midwinter Fire'  - bloodtwig dogwood   ( POM )
Cornus sanguinea 'Winter Beauty'  - bloodtwig dogwood
Cornus sericea  - red twig dogwood
Cornus sericea 'Allemans'  - red twig dogwood
Cornus sericea 'Baileyi'  - red twig dogwood
Cornus sericea 'Budd's Yellow'  - yellowtwig dogwood
Cornus sericea 'Cardinal'  - red twig dogwood   ( POM )
Cornus sericea 'Flaviramea'  - yellow twig dogwood
Cornus sericea 'Hedgerows Gold'  - red twig dogwood
Cornus sericea 'Isanti'  - red twig dogwood
Cornus sericea 'Neil Z' PUCKER UP  - red twig dogwood
Cornus sericea 'Silver and Gold'  - yellow twig dogwood
Cornus wilsoniana  - dogwood
Cortaderia selloana  - Uruguayan pampas grass
Corydalis flexuosa  - corydalis
Corydalis lutea  - corydalis
Corydalis ochroleuca  - corydalis
Corydalis ophiocarpa  - corydalis
Corydalis solida  - fumewort
Corylopsis glabrescens  - winter hazel
Corylopsis pauciflora  - winter hazel
Corylopsis sinensis  - winter hazel
Corylopsis spicata  - winter hazel
Corylus americana  - American hazelnut
Corylus avellana  - hazelnut
Corylus avellana 'Contorta'  - Harry Lauder's walking stick   ( POM )
Corylus colurna  - Turkish hazel   ( POM )
Corylus cornuta  - beaked hazel
Corylus maxima  - large filbert
Corylus maxima 'Atropurpurea'  - large filbert
Corymbia citriodora  - lemon eucalyptus
Cosmos atrosanguineus  - chocolate cosmos
Cosmos bipinnatus  - cosmos
Cosmos sulphureus  - cosmos
Cotinus coggygria  - smoketree
Cotinus coggygria 'Velvet Cloak'  - smoketree   ( POM )
Cotinus obovatus  - American smoke tree   ( POM )
Cotoneaster acutifolius  - cotoneaster
Cotoneaster adpressus  - creeping cotoneaster
Cotoneaster adpressus 'Little Gem'  - creeping cotoneaster
Cotoneaster apiculatus  - cotoneaster
Cotoneaster astrophoros  - cotoneaster
Cotoneaster cochleatus  - cotoneaster
Cotoneaster dammeri 'Coral Beauty'  - bearberry cotoneaster
Cotoneaster divaricatus  - cotoneaster
Cotoneaster franchetii  - cotoneaster
Cotoneaster glaucophyllus  - cotoneaster
Cotoneaster hessei  - cotoneaster
Cotoneaster horizontalis  - rock cotoneaster
Cotoneaster microphyllus  - small-leaved cotoneaster
Cotoneaster multiflorus  - cotoneaster
Cotoneaster nanshan  - creeping cotoneaster
Cotoneaster suavis  - cotoneaster
Couroupita guianensis  - cannonball tree
Crambe cordifolia  - colewort
Crambe maritima  - sea kale
Crassula ovata  - jade plant
Crataegus coccinea  - hawthorn
Crataegus crus-galli  - cockspur thorn
Crataegus douglasii  - black hawthorn
Crataegus laevigata  - English hawthorn
Crataegus nitida  - hawthorn
Crataegus phaenopyrum  - Washington hawthorn
Crataegus 'Vaughn'  - cockspur thorn
Crataegus viridis  - green hawthorn
Crescentia cujete  - common calabash tree
Crinum americanum  - Florida swamp lily
Crinum asiaticum  - poison bulb
Crinum (group)  - crinum
Crinum jagus  - crinum
Crinum × powellii  - crinum
Crocosmia 'Emberglow'  - montbretia
Crocosmia 'Gold Rush'  - montbretia
Crocosmia 'Lucifer'  - montbretia
Crocosmia pottsii  - montbretia
Crocus chrysanthus  - snow crocus
Crocus sativus  - saffron crocus
Crocus tommasinianus  - snow crocus
Crocus vernus  - Dutch crocus
Crocus vernus 'Flower Record'  - Spring crocus
Crocus vernus 'Jeanne d'Arc'  - Spring crocus
Crocus vernus 'Pickwick'  - Spring crocus
Crocus vernus 'Remembrance'  - Spring crocus
Crossandra infundibuliformis  - firecracker flower
Croton alabamensis  - alabama croton
Cryptanthus (group)  - cryptanthus
Cryptomeria japonica  - Japanese cedar
Cryptomeria japonica 'Yoshino'  - Japanese cedar
Cryptotaenia canadensis  - Canadian honewort
Cucumis melo  - canteloupe
Cucumis sativus  - cucumber
Cucurbita argyrosperma  - winter squash
Cucurbita maxima  - winter squash
Cucurbita moschata  - winter squash
Cucurbita pepo  - summer squash
Cunila origanoides  - common dittany
Cunninghamia lanceolata  - China-fir
Cuphea 'David Verity'  - cuphea   ( POM )
Cuphea hyssopifolia  - false heather   ( POM )
Cuphea hyssopifolia 'Allyson Heather'  - false heather   ( POM )
Cuphea ignea  - cigar flower
Cuphea llavea  - cuphea
Cuphea × purpurea  - bat-faced cuphea
Cuphea VERMILLIONAIRE  - cuphea   ( POM )
Cuphea viscosissima  - blue waxweed
Cupressus cashmeriana  - Kashmir cypress
Cupressus sempervirens  - Italian cypress
Cupressus sempervirens 'Glauca'  - Italian cypress
Curcuma longa  - common turmeric
Curcuma petiolata  - queen lily
Cycas revoluta  - Sago palm
Cycas rumphii  - cycad
Cyclamen hederifolium  - Persian violet
Cyclamen persicum  - cyclamen
Cydonia oblonga  - quince
Cymbalaria aequitriloba  - cymbalaria
Cymbalaria muralis  - Kenilworth ivy
Cymbidium (group)  - orchid
Cymbopogon citratus  - lemon grass   ( POM )
Cymbopogon flexuosus  - lemon grass
Cynara cardunculus  - cardoon
Cynodon dactylon 'Sundevil'  - Bermuda grass
Cynodon dactylon 'Yukon'  - Bermuda grass
Cynoglossum amabile  - Chinese forget-me-not
Cyperus involucratus  - umbrella plant
Cyperus papyrus  - papyrus
Cyperus papyrus KING TUT  - papyrus   ( POM )
Cyphomandra betacea  - tree tomato
Cypripedium kentuckiense  - lady slipper
Cyrtomium falcatum  - Japanese holly fern
Cyrtomium falcatum 'Rochfordianum'  - Japanese holly fern
Cyrtomium fortunei  - Japanese holly fern
Cyrtomium fortunei var. clivicolum  - Japanese holly fern
Cyrtostachys renda  - sealing wax palm
Cystopteris protrusa  - lowland fragile fern
Cytisus × kewensis  - pineapple broom
Cytisus scoparius  - Scotch broom