Cornus alternifolia Cornus amomum 'Cinderella'
Cornus asperifolia var. drummondii Cornus canadensis
Cornus florida Cornus florida 'Barton'
Cornus florida 'Cherokee Chief™' Cornus florida 'Cherokee Daybreak'
Cornus florida 'Cherokee Princess' Cornus florida 'Cherokee Sunset™'
Cornus florida 'Cloud 9' Cornus florida 'First Lady'
Cornus florida 'Newport Dam' Cornus florida 'Plena'
Cornus florida 'Poinsett' Cornus florida 'Rainbow'
Cornus florida 'Red Beauty®' Cornus florida 'Rosea'
Cornus florida 'Spring Grove®' Cornus florida 'Sweetwater Red'
Cornus florida 'Weaver's White' Cornus florida 'Welchii'
Cornus florida 'Wonderberry' Cornus florida f. rubra
Cornus florida f. rubra 'Cherokee Brave' Cornus kousa
Cornus kousa 'Wolf Eyes' Cornus mas
Cornus mas 'Elegantissima' Cornus mas 'Golden Glory'
Cornus nuttallii Cornus pumila
Cornus racemosa Cornus racemosa 'Salvin's Dwarf'
Cornus sanguinea 'Midwinter Fire' Cornus stricta
Cortaderia selloana Cortaderia selloana 'Pumila'
Cortaderia selloana 'White' Corylus americana
Costus speciosus Cotoneaster x 'Hessei'
Cotoneaster x 'Tom Thumb' Cotoneaster acutifolius
Cotoneaster adpressus Cotoneaster affinis
Cotoneaster apiculatus Cotoneaster conspicuus
Cotoneaster conspicuus 'Decorus' Cotoneaster dammeri
Cotoneaster dammeri 'Coral Beauty' Cotoneaster dammeri 'Mooncreeper'
Cotoneaster dammeri 'Skogholm' Cotoneaster dammeri var. radicans
Cotoneaster forrestii Cotoneaster horizontalis
Cotoneaster horizontalis 'Perpusillus' Cotoneaster horizontalis 'Robusta'
Cotoneaster horizontalis 'Variegatus' Cotoneaster lacteus
Cotoneaster linearifolius Cotoneaster lucidus
Cotoneaster multiflorus Cotoneaster nanshan
Cotoneaster sabrinus Cotoneaster salicifolius
Cotoneaster salicifolius 'Repens' Cotoneaster salicifolius 'Scarlet Leader'
Cotoneaster salicifolius var. floccosus Crataegus aestivalis
Crataegus crus-galli Crataegus crus-galli 'Hooks'
Crataegus crus-galli var. inermis Crataegus laevigata
Crataegus laevigata 'Paul's Scarlet' Crataegus monogyna
Crataegus monogyna 'Inermis Compacta' Crataegus phaenopyrum
Crataegus viridis 'Winter King' Cuphea ignea
Cuphea llavea Cuphea micropetala
Cussonia paniculata Cynara scolymus 'Imperial Star'
Cynara scolymus 'Large Green Globe' Daphne mezereum
Datura metel 'Cornucopaea'