| Callicarpa bodinieri | var. | giraldii | | |
| Callicarpa dichotoma | | | |
| Callicarpa Japonica | var. | luxurians | | |
| Calocedrus decurrens | | | |
| Calocedrus formosana | | | |
| Calycanthus occidentalis | | | |
| Calycanthus x raulstonii | | ‘Hartlage Wine’ |
| Camellia | | | ‘Cornish Snow’ |
| Camellia | | | ‘Inspiration’ | |
| Camellia | | | ‘Leonard Messel’ |
| Camellia japonica | | ‘Adolphe Audusson’ |
| Camellia japonica | | ‘Alba Plena’ | |
| Camellia japonica | | ‘Drama Girl’ | |
| Camellia japonica | | ‘Elegans’ | |
| Camellia japonica | | ‘Lily Pons’ | |
| Camellia japonica | | ‘Ruddigore’ | |
| Camellia x williamsii | | ‘Donation’ | |
| Camellia x williamsii | | ‘Grand Jury’ | |
| Camellia x williamsii | | ‘J.c. Williams’ |
| Caragana arborescens | | ‘Eastleigh Erect’ |
| Carpenteria californica | | | |
| Carpinus betulus | | | |
| Carpinus betulus | | ‘Columnaris’ | |
| Carpinus betulus | | ‘Fastigiata’ | |
| Carpinus betulus | | ‘Purpurea’ | |
| Carpinus betulus | | ‘Quercifolia’ | |
| Carpinus caroliniana | | | |
| Carpinus cordata | | | |
| Carpinus fargesiana | | | |
| Carpinus henryana | | | |
| Carpinus henryana | var. | simplicidentata | |
| Carpinus japonica | | | |
| Carpinus laxiflora | | | |
| Carpinus omeiensis | | | |
| Carpinus orientalis | | | |
| Carpinus polyneura | | | |
| Carpinus shensiensis | | | |
| Carpinus tschonoskii | | | |
| Carpinus x schuschaensis | | | |
| Carya glabra | var. | megacarpa | | |
| Carya illinoinensis | | | |
| Carya laciniosa | | | |
| Carya ovata | | | | |
| Carya ovata | var. | australis | | |
| Cassinia fulvida | | | |
| Castanea crenata | | | |
| Castanea mollissima | | | |
| Castanea sativa | | | |
| Castanea sativa | | ‘Anny’s Summer Red’ |
| Castanea sativa | | ‘Variegata’ | |
| Castanea seguinii | | | |
| Catalpa bignonioides | | | |
| Catalpa bignonioides | | ‘Aurea’ | |
| Catalpa bungei | | | |
| Catalpa fargesii | f. | duclouxii | | |
| Catalpa sp. | | | | |
| Catalpa speciosa | | | |
| Catalpa speciosa | | ‘Pulverulenta’ |
| Catalpa x erubescens | | ‘Purpurea’ | |
| Ceanothus | | | ‘Southmead’ |
| Cedrus atlantica | | ‘Aurea’ | |
| Cedrus atlantica | Glauca Group | ‘Glauca’ | |
| Cedrus deodara | | | |
| Cedrus deodara | | ‘Golden Horizon’ |
| Cedrus deodara | | ‘Pendula’ | |
| Cedrus libani | | | |
| Celtis australis | | | |
| Celtis biondii | | | |
| Celtis caucasica | | | |
| Celtis tournefortii | | | |
| Centaurea | | | ‘Jordy’ | |
| Cephalanthus occidentalis | | |
| Cephalotaxus fortunei | | | |
| Cephalotaxus harringtonia | | |
| Cephalotaxus harringtonia | var. | drupacea | | |
| Cercidiphyllum japonicum | | |
| Cercidiphyllum japonicum | f. | miquelianum | |
| Cercidiphyllum magnificum | | |
| Cercis canadensis | | | |
| Cercis canadensis | | ‘Flame’ | |
| Cercis canadensis | | ‘Forest Pansy’ |
| Cercis canadensis | f. | alba | ‘Royal White’ |
| Cercis canadensis | var. | texensis | ‘Oklahoma’ | |
| Cercis gigantea | | | |
| Cercis griffithii | | | |
| Chaenomeles cathayensis | | | |
| Chaenomeles speciosa | | | |
| Chaenomeles speciosa | | ‘Moerloosei’ | |
| Chaenomeles speciosa | | ‘Rubra Grandiflora’ |
| Chamaecyparis lawsoniana | | ‘Albospica’ | |
| Chamaecyparis lawsoniana | | ‘Blue Gown’ | |
| Chamaecyparis lawsoniana | | ‘Elegantissima’ |
| Chamaecyparis lawsoniana | | ‘Fraseri’ | |
| Chamaecyparis lawsoniana | | ‘Gnome’ | |
| Chamaecyparis lawsoniana | | ‘Grayswood Pillar’ |
| Chamaecyparis lawsoniana | | ‘Kilmacurragh’ |
| Chamaecyparis lawsoniana | | ‘Lutea Smithii’ |
| Chamaecyparis lawsoniana | | ‘Lutea’ | |
| Chamaecyparis lawsoniana | | ‘New Silver’ | |
| Chamaecyparis lawsoniana | | ‘Pembury Blue’ |
| Chamaecyparis lawsoniana | | ‘Pendula’ | |
| Chamaecyparis lawsoniana | | ‘Pottenii’ | |
| Chamaecyparis lawsoniana | | ‘Silver Queen’ |
| Chamaecyparis lawsoniana | | ‘Spek’ | |
| Chamaecyparis lawsoniana | | ‘Stardust’ | |
| Chamaecyparis lawsoniana | | ‘Stewartii’ | |
| Chamaecyparis lawsoniana | | ‘Triomf van Boskoop’ |
| Chamaecyparis lawsoniana | | ‘Westermannii’ |
| Chamaecyparis lawsoniana | | ‘Winston Churchill’ |
| Chamaecyparis lawsoniana | | ‘Wisselii’ | |
| Chamaecyparis obtusa | | ‘Aurora’ | |
| Chamaecyparis obtusa | | ‘Coralliformis’ |
| Chamaecyparis obtusa | | ‘Lycopodioides’ |
| Chamaecyparis obtusa | | ‘Nana Lutea’ | |
| Chamaecyparis obtusa | | ‘Nana’ | |
| Chamaecyparis obtusa | | ‘Tetragona Aurea’ |
| Chamaecyparis pisifera | | ‘Filifera’ | |
| Chamaecyparis pisifera | | ‘Nana’ | |
| Chamaecyparis pisifera | | ‘Snow’ | |
| Chiliotrichum diffusum | | | |
| Chimonanthus nitens | | | |
| Chimonanthus praecox | | | |
| Chimonanthus praecox | | ‘Grandiflorus’ |
| Chimonobambusa tumidissinoda | | |
| Chionanthus retusus | | | |
| Chionanthus virginicus | | | |
| Chionodoxa luciliae | | ‘Alba’ | |
| Choisya ternata | | | |
| Choisya x dewitteana | | Goldfingers | |
| Choisyia ternata | | | |
| Cistus laurifolius | | | |
| Citrus trifoliata | | | |
| Clematis | | | ‘Albiflora’ | |
| Clematis | | | ‘Alionushka’ | |
| Clematis | | | ‘Apple Blossom’ |
| Clematis | | | ‘Arabella’ | |
| Clematis | | | ‘Ascotiensis’ | |
| Clematis | | | ‘Beauty of Worcester’ |
| Clematis | | | ‘Betty Corning’ |
| Clematis | | | ‘Bill MacKenzie’ |
| Clematis | | | ‘Blekitny Aniol’ |
| Clematis | | | ‘Constance’ | |
| Clematis | | | ‘Daniel Deronda’ |
| Clematis | | | ‘Diamond Anniversary’ |
| Clematis | | | ‘Doctor Ruppel’ |
| Clematis | | | ‘Duchess of Albany’ |
| Clematis | | | ‘Elsa Späth’ |
| Clematis | | | ‘Étoile Rose’ |
| Clematis | | | ‘Francis Rivis’ |
| Clematis | | | ‘General Sikorski’ |
| Clematis | | | ‘H. F. Young’ | |
| Clematis | | | ‘Helsingborg’ |
| Clematis | | | ‘Innocent Blush’ |
| Clematis | | | ‘Jackmanii Alba’ |
| Clematis | | | ‘Jacqueline du Pré’ |
| Clematis | | | ‘John Huxtable’ |
| Clematis | | | ‘Kasmu’ | |
| Clematis | | | ‘Kermesina’ | |
| Clematis | | | ‘Korean Beauty’ |
| Clematis | | | ‘Lady Betty Balfour’ |
| Clematis | | | ‘Lady Northcliffe’ |
| Clematis | | | ‘Lasurstern’ | |
| Clematis | | | ‘lawsoniana’ | |
| Clematis | | | ‘Lemon Dream’ |
| Clematis | | | ‘Louise Rowe’ |
| Clematis | | | ‘Marie Boisselot’ |
| Clematis | | | ‘Nelly Moser’ |
| Clematis | | | ‘Niobe’ | |
| Clematis | | | ‘Palette’ | |
| Clematis | | | ‘Perle d’Azur’ |
| Clematis | | | ‘Pink Flamingo’ |
| Clematis | | | ‘Polish Spirit’ |
| Clematis | | | ‘Princess Diana’ |
| Clematis | | | ‘Purple Spider’ |
| Clematis | | | ‘Rhapsody’ | |
| Clematis | | | ‘Romantika’ | |
| Clematis | | | ‘Rosy Pagoda’ |
| Clematis | | | ‘Rouge Cardinal’ |
| Clematis | | | ‘Royal Velours’ |
| Clematis | | | ‘Ruby’ | |
| Clematis | | | ‘Scartho Gem’ |
| Clematis | | | ‘The President’ |
| Clematis | | | ‘Toltae’ | |
| Clematis | | | ‘Venosa Violacea’ |
| Clematis | | | ‘Voluceau’ | |
| Clematis | | | ‘Vyvyan Pennell’ |
| Clematis | | | ‘W. E. Gladstone’ |
| Clematis | | | ‘William Kennett’ |
| Clematis | | | ‘Willy’ | |
| Clematis | | | Avant-garde | |
| Clematis chiisanensis | | | |
| Clematis | | | Confetti | |
| Clematis connata | | | |
| Clematis | | | Crystal Fountain |
| Clematis koreana | | Amber = ‘Wit141205’ |
| Clematis koreana | var. | carunculosa | | |
| Clematis ladakhiana | | | |
| Clematis macropetala | | | |
| Clematis macropetala | | ‘Maidwell Hall’ |
| Clematis | | | Princess Kate |
| Clematis serratifolia | | | |
| Clematis sp. | | | | |
| Clematis | | | Vesuvius | |
| Clematis vitalba | | | |
| Clematis | | | Wisley | |
| Clethra barbinervis | | | |
| Clethra tomentosa | | | |
| Colletia hystrix | | ‘Rosea’ | |
| Cornus | | | ‘Ormonde’ | |
| Cornus | | | ‘Porlock’ | |
| Cornus alba | | | ‘Aurea’ | |
| Cornus alba | | | ‘Aurora’ | |
| Cornus alba | | | ‘Ivory Halo’ | |
| Cornus alba | | | ‘Kesselringii’ | |
| Cornus alba | | | ‘Sibirica’ | |
| Cornus alba | | | ‘Spaethii’ | |
| Cornus alternifolia | | | |
| Cornus amomum | | | |
| Cornus amomum | | ‘Blue Cloud’ | |
| Cornus amomum | subsp. | obliqua | | |
| Cornus asperifolia | var. | drummondii | | |
| Cornus capitata | subsp. | emeiensis | | |
| Cornus controversa | | | |
| Cornus controversa | | ‘Pagoda’ | |
| Cornus controversa | | ‘Variegata’ | |
| Cornus florida | | ‘Cherokee Chief’ |
| Cornus florida | | ‘First Lady’ | |
| Cornus glabrata | | | |
| Cornus hongkongensis | | | |
| Cornus kousa | | | |
| Cornus kousa | | ‘Beni-fuji’ | |
| Cornus kousa | | ‘Bonfire’ | |
| Cornus kousa | | ‘Cappuccino’ |
| Cornus kousa | | ‘Laura’ | |
| Cornus kousa | | ‘Marwood Dawn’ |
| Cornus kousa | | ‘Miss Satomi’ |
| Cornus kousa | | ‘Rosea’ | |
| Cornus kousa | var. | chinensis | | |
| Cornus kousa | var. | chinensis | ‘China Girl’ | |
| Cornus kousa | var. | chinensis | ‘White Fountain’ |
| Cornus kousa | var. | chinensis | ‘Wisley Queen’ |
| Cornus mas | | | | |
| Cornus mas | | | ‘Aurea’ | |
| Cornus mas | | | ‘Aureoelegantissima’ |
| Cornus mas | | | ‘Nana’ | |
| Cornus mas | | | ‘Variegata’ | |
| Cornus nuttallii | | | |
| Cornus nuttallii | | ‘Colrigo Giant’ |
| Cornus nuttallii | | ‘North Star’ | |
| Cornus officinalis | | | |
| Cornus sanguinea | | ‘Anny’s Winter Orange’ |
| Cornus sanguinea | | ‘Magic Flame’ |
| Cornus sanguinea | | ‘Midwinter Fire’ |
| Cornus schindleri | | | |
| Cornus sericea | | ‘White Gold’ | |
| Cornus walteri | | | |
| Cornus x elwinortonii | | ‘Venus’ | |
| Cornus x rutgersensis | | ‘Aurora’ | |
| Corydalis | | | ‘Craigton Blue’ |
| Corylopsis glabrescens | var. | gotoana | ‘Chollipo’ | |
| Corylopsis multiflora | | | |
| Corylopsis pauciflora | | | |
| Corylopsis sinensis | | | |
| Corylopsis sinensis | var. | calvescens | | |
| Corylopsis sinensis | var. | calvescens veitchiana | |
| Corylopsis sinensis | var. | sinensis | | |
| Corylopsis spicata | | | |
| Corylus | | | ‘Te Terra Red’ |
| Corylus avellana | | ‘Anny’s Compact Red’ |
| Corylus avellana | | ‘Aurea’ | |
| Corylus avellana | | ‘Contorta’ | |
| Corylus avellana | | ‘Cosford’ | |
| Corylus avellana | | ‘Fuscorubra’ | |
| Corylus avellana | | ‘Pendula’ | |
| Corylus avellana | | ‘Webb’s Prize Cob’ |
| Corylus chinensis | | | |
| Corylus colurna | | | |
| Corylus ferox | | | |
| Corylus heterophylla | | | |
| Corylus maxima | | | |
| Corylus maxima | | ‘Halle’sche Riesennuss’ |
| Corylus maxima | | ‘Purpurea’ | |
| Corylus maxima | | ‘Red Filbert’ | |
| Corylus sieboldiana | | | |
| Cotinus | | | ‘Flame’ | |
| Cotinus | | | ‘Grace’ | |
| Cotinus coggygria | | ‘Royal Purple’ |
| Cotinus coggygria | | Golden Spirit = ‘Ancot’ |
| Cotinus obovatus | | | |
| Cotoneaster | | | ‘Cornubia’ | |
| Cotoneaster | | | ‘Gracia’ | |
| Cotoneaster | | | ‘Hybridus Pendulus’ |
| Cotoneaster acuminatus | | | |
| Cotoneaster acutifolius | | | |
| Cotoneaster adpressus | | | |
| Cotoneaster aff. ambiguus | | |
| Cotoneaster affinis | | | |
| Cotoneaster alatavicus | | | |
| Cotoneaster alaunicus | | | |
| Cotoneaster albokermesinus | | |
| Cotoneaster altaicus | | | |
| Cotoneaster ambiguus aff. | | |
| Cotoneaster amoenus | | | |
| Cotoneaster antoninae | | | |
| Cotoneaster apiculatus | | | |
| Cotoneaster armenus | | | |
| Cotoneaster ascendens | | | |
| Cotoneaster assamensis | | | |
| Cotoneaster atrovirens | | | |
| Cotoneaster beimashanensis | | |
| Cotoneaster bis-ramianus | | | |
| Cotoneaster bitahaiensis | | | |
| Cotoneaster bradyi | | | |
| Cotoneaster brandisii | | | |
| Cotoneaster bullatus | | | |
| Cotoneaster calocarpus | | | |
| Cotoneaster cambricus | | | |
| Cotoneaster canescens | | | |
| Cotoneaster cf. franchetii | | | |
| Cotoneaster cf. simonsii | | | |
| Cotoneaster chailaricus | | | |
| Cotoneaster chengkangensis | | |
| Cotoneaster chuanus | | | |
| Cotoneaster chungtiensis | | | |
| Cotoneaster cinerascens | | | |
| Cotoneaster cochleatus | | | |
| Cotoneaster commixtus | | | |
| Cotoneaster congestus | | | |
| Cotoneaster congestus | | ‘Nanus’ | |
| Cotoneaster conspicuus | | | |
| Cotoneaster cooperi | | | |
| Cotoneaster cordifolius Cf. | | |
| Cotoneaster coriaceus aff. | | |
| Cotoneaster cornifolius | | | |
| Cotoneaster creticus | | | |
| Cotoneaster crispii | | | |
| Cotoneaster cuspidatus | | | |
| Cotoneaster daliensis | | | |
| Cotoneaster declinatus | | | |
| Cotoneaster dielsianus | | | |
| Cotoneaster difficilis | | | |
| Cotoneaster discolor | | | |
| Cotoneaster divaricatus | | | |
| Cotoneaster elegans | | | |
| Cotoneaster ellipticus | | | |
| Cotoneaster floridus | | | |
| Cotoneaster forrestii | | | |
| Cotoneaster franchetii | | | |
| Cotoneaster frigidus | | | |
| Cotoneaster froebelii | | | |
| Cotoneaster fulvidus | | | |
| Cotoneaster gamblei | | | |
| Cotoneaster glabratus | | | |
| Cotoneaster glacialis | | | |
| Cotoneaster glaucophyllus | | |
| Cotoneaster gracilis | | | |
| Cotoneaster harrovianus | | | |
| Cotoneaster henryanus | | | |
| Cotoneaster hissaricus | | | |
| Cotoneaster hjelmqvistii | | | |
| Cotoneaster hsingshangensis | | |
| Cotoneaster hualiensis | | | |
| Cotoneaster hupehensis | | | |
| Cotoneaster hurusawaianus | | |
| Cotoneaster hylanderi | | | |
| Cotoneaster hypocarpus | | | |
| Cotoneaster ignavus | | | |
| Cotoneaster ignescens | | | |
| Cotoneaster ignotus | | | |
| Cotoneaster induratus | | | |
| Cotoneaster insculptus | | | |
| Cotoneaster insculptus aff. | | |
| Cotoneaster insignis | | | |
| Cotoneaster insolitus | | | |
| Cotoneaster integrifolius | | | |
| Cotoneaster intermedius | | | |
| Cotoneaster karatavicus | | | |
| Cotoneaster kingdonii | | | |
| Cotoneaster kitaibelii | | | |
| Cotoneaster klotzii | | | |
| Cotoneaster kongboensis | | | |
| Cotoneaster lacrimiformis | | |
| Cotoneaster lacteus | | | |
| Cotoneaster lamprofolius | | | |
| Cotoneaster lancasteri | | | |
| Cotoneaster leveillei | | | |
| Cotoneaster lidjiangensis | | | |
| Cotoneaster lomahunensis | | |
| Cotoneaster lucidus | | | |
| Cotoneaster ludlowii | | | |
| Cotoneaster macrocarpus cf. | | |
| Cotoneaster mairei | | | |
| Cotoneaster marginatus | | | |
| Cotoneaster marginatus | | ‘Brno’ | |
| Cotoneaster marquandii | | | |
| Cotoneaster meiophyllus | | | |
| Cotoneaster melanocarpus | | |
| Cotoneaster meuselii | | | |
| Cotoneaster miniatus | | | |
| Cotoneaster minimus | | | |
| Cotoneaster mirabilis | | | |
| Cotoneaster mongolicus | | | |
| Cotoneaster monopyrenus | | |
| Cotoneaster morulus | | | |
| Cotoneaster moupinensis | | | |
| Cotoneaster mucronatus | | | |
| Cotoneaster muliensis | | | |
| Cotoneaster naninitens | | | |
| Cotoneaster naoujanensis | | |
| Cotoneaster narynensis | | | |
| Cotoneaster natmataungensis | | |
| Cotoneaster nepalensis | | | |
| Cotoneaster newryensis | | | |
| Cotoneaster niger | | | |
| Cotoneaster nitens | | | |
| Cotoneaster nohelii | | | |
| Cotoneaster obscurus | | | |
| Cotoneaster obtusus | | | |
| Cotoneaster ogisui | | | |
| Cotoneaster omissus | | | |
| Cotoneaster osmastonii | | | |
| Cotoneaster ottoschwarzii | | |
| Cotoneaster pannosus | | | |
| Cotoneaster paradoxus | | | |
| Cotoneaster parkeri | | | |
| Cotoneaster parnassicus | | | |
| Cotoneaster pekinensis | | | |
| Cotoneaster perpusillus | | | |
| Cotoneaster polyanthrmus | | |
| Cotoneaster procumbens | | ‘Queen of Carpets’ |
| Cotoneaster prostratus | | | |
| Cotoneaster przewalskii | | | |
| Cotoneaster pseudo-obscurus | | |
| Cotoneaster pseudoambiguus | | |
| Cotoneaster qungbixiensis | | |
| Cotoneaster rehderi | | | |
| Cotoneaster rhytidophyllus | | |
| Cotoneaster roborowskii | | | |
| Cotoneaster rokujodaisanensis | | |
| Cotoneaster roseus | | | |
| Cotoneaster rotundifolius | | | |
| Cotoneaster rubens | | | |
| Cotoneaster rugosus | | | |
| Cotoneaster salicifolius | | | |
| Cotoneaster salicifolius | | ‘Herbstfeuer’ |
| Cotoneaster salicifolius | var. | floccosus | | |
| Cotoneaster salwinensis | | | |
| Cotoneaster sandakphuensis | | |
| Cotoneaster schlechtendalii | | |
| Cotoneaster schubertii | | | |
| Cotoneaster sengorensis | | | |
| Cotoneaster sherriffii | | | |
| Cotoneaster sichuanensis | | | |
| Cotoneaster sikangensis | | | |
| Cotoneaster sp. | | | |
| Cotoneaster splendens | | | |
| Cotoneaster sternianus | | | |
| Cotoneaster suavis | | | |
| Cotoneaster subacutus | | | |
| Cotoneaster submultiflorus | | |
| Cotoneaster taylorii | | | |
| Cotoneaster teijiashanensis | | |
| Cotoneaster tengyuehensis | | |
| Cotoneaster tenuipes | | | |
| Cotoneaster thimphuensis | | |
| Cotoneaster tibeticus cf. | | | |
| Cotoneaster tjuliniae | | | |
| Cotoneaster transcaucasicus | | |
| Cotoneaster transens | | | |
| Cotoneaster tumeticus | | | |
| Cotoneaster turcomanicus | | |
| Cotoneaster tytthocarpus | | | |
| Cotoneaster uva-ursi | | | |
| Cotoneaster vandelaarii | | | |
| Cotoneaster vernae | | | |
| Cotoneaster vestitus | | | |
| Cotoneaster villosulus | | | |
| Cotoneaster vilmorinianus | | |
| Cotoneaster wanbooyensis | | |
| Cotoneaster wardii | | | |
| Cotoneaster washanensis | | | |
| Cotoneaster wattii | | | |
| Cotoneaster wilsonii | | | |
| Cotoneaster x suecicus | | ‘Ifor’ | |
| Cotoneaster x suecicus | | ‘Ursinov’ | |
| Cotoneaster x suecicus cf. | | | |
| Cotoneaster x watereri | | | |
| Cotoneaster xerampelinus | | |
| Cotoneaster yalungensis | | | |
| Cotoneaster yinchangensis | | |
| Cotoneaster yui | | | |
| Cotoneaster yulingkongensis cf. | | |
| Cotoneaster zabelii | | | |
| Cotoneaster zabelii | | ‘Magyar’ | |
| Cotoneaster zeravschanicus | | |
| Crataegus aemula | | | |
| Crataegus aestivalis | | | |
| Crataegus agrestina | | | |
| Crataegus alabamensis | | | |
| Crataegus altaica | | | |
| Crataegus ambigua | | | |
| Crataegus aprica | | | |
| Crataegus arnoldiana | | | |
| Crataegus atrosanguinea | | | |
| Crataegus berberifolia | | | |
| Crataegus brachyacantha | | | |
| Crataegus calpodendron | | | |
| Crataegus castlegarensis | | | |
| Crataegus coccinea | | | |
| Crataegus coccinioides | | | |
| Crataegus columbiana | | | |
| Crataegus crus-galli | | | |
| Crataegus crus-galli | var. | oblongata | | |
| Crataegus dahurica | | | |
| Crataegus ellwangeriana | | | |
| Crataegus erythropoda | | | |
| Crataegus flabellata | | | |
| Crataegus harbisonii | | | |
| Crataegus jackii | | | |
| Crataegus jonesiae | | | |
| Crataegus laevigata | | ‘Gireoudii’ | |
| Crataegus laevigata | | ‘Paul’s Scarlet’ |
| Crataegus laevigata | | ‘Punicea’ | |
| Crataegus laevigata | | ‘Rosea Flore Pleno’ |
| Crataegus macracantha | | | |
| Crataegus marshallii | | | |
| Crataegus maximowiczii | | | |
| Crataegus mendosa | | | |
| Crataegus mexicana | | | |
| Crataegus mollis | | | |
| Crataegus monogyna | | | |
| Crataegus nigra | | | |
| Crataegus nitida | | | |
| Crataegus orientalis | | | |
| Crataegus persimilis | | ‘Prunifolia’ | |
| Crataegus phippsii | | | |
| Crataegus pinnatifida | var. | major | | |
| Crataegus pseudoheterophylla | | |
| Crataegus pubescens | f. | stipulacea | | |
| Crataegus punctata | | | |
| Crataegus rhipidophylla | | | |
| Crataegus saligna | | | |
| Crataegus sanguinea | | | |
| Crataegus schraderiana | | | |
| Crataegus songarica | | | |
| Crataegus sororia | | | |
| Crataegus submollis | | | |
| Crataegus suksdorfii | | | |
| Crataegus tanacetifolia | | | |
| Crataegus tracyi | | | |
| Crataegus triflora | | | |
| Crataegus viburnifolia | | | |
| Crataegus viridis | | | |
| Crataegus wattiana | | | |
| Crataegus x durobrivensis | | | |
| Crataegus x grignonensis | | | |
| Crataegus x kyrtostyla | | | |
| Crataegus x lavalleei | | ‘Carrierei’ | |
| Crocus speciosus | | ‘Albus’ | |
| Cryptomeria japonica | | | |
| Cryptomeria japonica | | ‘Globosa Nana’ |
| Cryptomeria japonica | | ‘Sekkan-sugi’ |
| Cryptomeria japonica | | ‘Viminalis’ | |
| Cryptomeria japonica | Elegans Group | ‘Elegans’ | |
| Cunninghamia lanceolata | | | |
| Cupressus arizonica | | ‘Pyramidalis’ |
| Cupressus cashmeriana | | | |
| Cupressus chengiana | | | |
| Cupressus gigantea | | | |
| Cupressus goveniana | var. | abramsiana | | |
| Cupressus sempervirens | | | |
| Cupressus sp. | | | |
| Cupressus torulosa | | | |
| Cyclamen cilicium | | | |
| Cyclamen hederifolium | var. | hederifolium | f. albiflorum | |
| Cyclamen hederifolium | var. | hederifolium | f. albiflorum | |
| Cydonia oblonga | | | |
| Cymbalaria muralis | | ‘Globosa Alba’ |
| Cynara cardunculus | | (Scolymus Group) |
| Cypripedium kentuckiense | | |
